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Topical compositions comprising fermented extracts of traditional chinese medicinal (tcm) ingredients, and methods of making and using same




Title: Topical compositions comprising fermented extracts of traditional chinese medicinal (tcm) ingredients, and methods of making and using same.
Abstract: The present invention relates to topical compositions containing fermented extracts of Traditional Chinese Medicinal (TCM) ingredients for improving the appearance and skin condition of the user. The topical compositions of the present invention are tailored for different users of different skin compositions according to TCM principles. The fermented TCM extracts are characterized by reduced odor and/or color in comparison with unfermented TCM extracts and are therefore more suitable for use in cosmetic products. ...


USPTO Applicaton #: #20120270291
Inventors: Jing Cheng, Chia-wen Chen, Steven Francis Schnittger, Ming Lu


The Patent Description & Claims data below is from USPTO Patent Application 20120270291, Topical compositions comprising fermented extracts of traditional chinese medicinal (tcm) ingredients, and methods of making and using same.

CROSS-REFERENCE TO RELATED APPLICATIONS

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This application is a divisional of U.S. Ser. No. 12/713,959, filed Feb. 26, 2010, which claims priority to U.S. Provisional Patent Application No. 61/159,272 filed Mar. 11, 2009 and U.S. Provisional Patent Application No. 61/228,999 filed Jul. 28, 2009.

FIELD OF THE INVENTION

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The present invention relates to topical compositions for improving the appearance and skin condition of a user, while such topical compositions contain fermented extracts of Traditional Chinese Medicinal (TCM) ingredients with reduced color and odor. The present invention also relates to computer-based system and method for determining the skin composition of a specific user and selecting a suitable topical composition for such user based on his or her skin composition according to TCM principles.

BACKGROUND

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OF THE INVENTION

There is great interest in the cosmetic industry to develop products containing natural plant-derived materials that may be applied topically to the skin to provide anti-acne, anti-oil, and anti-cellulite benefits. Plant-based cosmetic products that enhance the appearance of skin are increasingly in demand. Active ingredients or components with skin care benefits can be obtained from either the entire plant or various parts of a plant, such as seeds, needles, leaves, roots, bark, cones, stems, rhizomes, callus cells, protoplasts, organs and organ systems, and meristems, either as dried powders or liquid extracts, which can then be incorporated into topical compositions.

Traditional Chinese Medicine (hereinafter “TCM”) has been in existence for several thousands of years and is based largely on accumulated human experience in using naturally occurring plant and animal extracts to treat various diseases. In recently years, TCM practices have gained significant recognition by the Western world, especially for treatment of chronic pathological conditions. Certain TCM ingredients have been known to have skin care benefits for thousands of years, and cosmetic or skin care products containing such TCM ingredients are becoming more popular. Because the TCM ingredients are all natural, they are significantly more appealing to customers who are conscious of the side effects and adverse environmental impacts of synthetic compounds.

However, it is important to note that the basic principles of TCM are quite different from that of the western medicinal sciences. For example, TCM believes that an internal physiological balance has to be maintained for a person to be healthy, and all diseases are caused by one or more types of imbalances, and each type of imbalances manifests through an identifiable pattern of symptom and requires a particular set of treatments for correction. A TCM practitioner typically uses a compound prescription containing a blend of multiple herbal ingredients to treat various symptoms of a disease after careful examination of an individual patient, and such prescription is specifically designed for the patient to re-establish the internal physiological balance of such patient. In other words, the TCM practice takes an individualized treatment approach, instead of a “one-size-fits-all” treatment approach.

Unfortunately, the currently available skin care products containing naturally occurring TCM ingredients are mass-marketed to all consumers and fail to implement the individualized treatment approach of TCM. Therefore, it would be desirable to provide new cosmetic and skin care products containing TCM ingredients that adopt the individualized treatment approach of TCM in improving the appearance and skin condition of specific users.

Further, a problem commonly encountered when formulating TCM ingredients into cosmetic or skin care products is the distinctive color and undesirable odor associated with many TCM ingredients, which makes it difficult to form aesthically and olfactorily acceptable cosmetic or skin care compositions containing such TCM ingredients. It would also be desirable to process TCM ingredients by reducing the color and odor so that they can be readily formulated into aesthically and olfactorily acceptable cosmetic or skin care compositions.

SUMMARY

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OF THE INVENTION

The present invention provides topical compositions, each of which contains a unique blend of TCM ingredients specifically designed to improve the appearance and skin conditions of a particular sub-population of users characterized by a specific skin composition, according to the TCM principles. Specifically, one aspect of the present invention relates to a topical composition containing fermented extracts of Cordyceps sinensis mycelia, Ginkgo biloba leaf, Polygonum cuspidatum rhizome, and Citrus reticulata peel, which can be applied to the skin of a user with a balanced skin composition to improve the appearance and skin conditions of said user. Another aspect of the present invention relates to a topical composition containing fermented extracts of Ganoderma lucidum fruiting body, Selaginella tamariscina plant, Ginkgo biloba leaf, and Calendula officinalis flower, which can be applied to the skin of a user with a Yang-dominant or balanced-to-Yang skin composition to nourish Yin and store the Yin-Yang balance in the skin. A further aspect of the present invention relates to a topical composition containing fermented extracts of Rhodiola rosea rhizome, Perilla frutescens fruit, Phellodendron amurense bark, and Foeniculum vulgare seed, which can be applied to the skin of a user with a Yin-dominant or balanced-to-Yin skin composition to nourish Yin and store the Yin-Yang balance in the skin.

The present invention also provides a method for preparing a topical composition by first fermenting a blend of extracts from one or more TCM ingredients known to have undesirable odor and/or color in the presence of an aerobically metabolizing microorganism under suitable aerobic conditions for a period of time sufficient to reduce or eliminate the undesirable odor and/or color while preserving desirable biological activities of said TCM ingredients, and then formulating the fermented blend of TCM extracts into a cosmetically or pharmaceutically acceptable carrier to form said topical composition.

Further, the present invention provides a method for selecting a topical composition for a user to improve the appearance or skin condition of said user based on his or her skin composition, comprising: (a) collecting biological data from the user; (b) categorizing the skin composition of the user based on the collected biological data, wherein said categorization is indicative of the Yin-Yang balance of the skin or the lack thereof; and (c) selecting a topical composition for the user, wherein said topical composition contains a blend of fermented Chinese herbal extracts for maintaining or restoring the Yin-Yang balance of the skin. Preferably, the skin composition of the user is categorized by using a statistical model that weights the biological data according to TCM principles.

Other aspects and objectives of the present invention will become more apparent from the ensuring description, examples, and claims.

DETAILED DESCRIPTION

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OF THE INVENTION, AND PREFERRED EMBODIMENT THEREOF

The present invention provides several topical compositions, each of which contains a unique combination of fermented extracts of TCM ingredients for targeting a sub-population of users with a specific skin composition according to the TCM principles. In TCM practices, health is represented as a balance of Yin and Yang, which are opposing forces interconnected and interdependent in the natural world, giving rise to each other in turn. These two forces represent the bipolar manifestation of all things in nature, and because of this, one must be present to allow the other to exist. A constantly changing balance between Yin and Yang should be maintained within the body of a person. When one force is regularly dominating over the other, the health of the patient can become compromised, resulting in illness and disease. Therefore, when diagnosing a patient, TCM practitioners usually try to determine the exact nature of the Yin/Yang imbalance, and then correct it through the use of acupuncture, herbal remedies, exercise, diet and lifestyle. Once the balance is restored in the body, so is health.

Correspondingly, the topical compositions provided by the present invention are specifically designed for different sub-population of users with different skin compositions, which can be categorized according to the Yin and Yang balance/imbalance of the skin. For example, the skin compositions can be divided into three major categories: the Yin-Yang balanced skin composition (hereinafter referred to as “balanced skin composition”), the Yang-dominant skin composition, and the Yin-dominant skin composition. Additional categories can also be included to further quantify the degree of imbalance. For example, the skin composition categorization may further include a balance-to-Yang skin composition and a balance-to-Yin skin composition, which are relatively balanced skin compositions with slight Yang or Yin symptoms.

The specific skin composition of a patient can be determined by observing the skin condition, tongue color and tongue fur color of the patient (which are two important factors to be considered by TCM practitioners for diagnosis), as well as by gathering certain information from the patient regarding the person\'s age, bodily sensation, sleep pattern, and energy level. For example, the balanced skin composition is typically characterized by smooth, radiant, soft and delicate skin with good elasticity and even skin tone, and patients with the balanced skin composition usually also have lips and tongue of light red color with thin, pale white tongue fur color. The Yang-dominant skin composition is typically characterized by reddish cheek and red skin tone, oily skin surface, and tendency to develop allergy, acne, pigmentation, and pre-mature wrinkles Patients with the Yang-dominant skin composition may also have lips and tongue of bright red color with yellow tongue fur color, and they typically prefer cold drinks, become thirsty very easily, have bitter tastes in the mouth, often sweat when sleeping at night, easily irascible, and often suffer from internal heat. The Yin-dominant skin composition is typically characterized by pale skin tone, dry and easily desquamated skin with low water absorption and water retention capacity, and tendency to develop pigmentation and pre-mature wrinkles Patients with the Yin-dominant skin composition may have pale or blue lips, light red or pale tongue color with white tongue fur color, and they typically prefer hot drinks, have relatively cold hands and feet, are sensitive to temperature decrease, and often feel tired or sleepy. Patients with balanced-to-Yang or balanced-to-Yin skin composition may exhibit similar symptoms as those with Yang-dominant or Yin-dominant skin composition but to a lesser degree.

Correspondingly, the present invention provides a method for selecting cosmetic or skin care products for users based on their specific skin compositions, by first collecting biological data (e.g., age, bodily sensation, sleep pattern, energy level, tongue color, tongue fur color, and skin condition of the user), then determining the skin composition of the user based on the collected biological data, and finally selecting a suitable cosmetic or skin care product for the user corresponding to his or her skin composition. Preferably, the biological data was collected by a preliminary facial examination of the user as well as requesting the user to fill out a questionnaire, and the data so collected is then processed by a computer-based system programmed with a statistical model for specifically for determining the skin compositions of a user by weighing the collected biological data according to TCM principles.

Unlike the Western medicinal science that typically uses one drug to treat one disease, the TCM practice adopts a compound or combinational approach in its herbal therapy, i.e., by using a blend of different herbal ingredients to target the root cause as well as different symptoms of the disease. A typical TCM formula contains four major ingredients, each playing its unique role while working together synergistically to achieve the optimal treatment results. The four major ingredients have been described in ancient texts as “emperor” or “king,” “minister,” “assistant” and “servant.” This TCM philosophy models these four major ingredients components in a compound formula after a court of an emperor. The emperor or king ingredient serves as the principle in attacking the root cause of the disease; the minister ingredient acts to assist and augment the emperor or king ingredient; the assistant ingredient also assists the emperor or king ingredient, but it focuses on counter-reacting any possible side-effects of the emperor or king ingredient; and the servants ingredient acts to deliver the medicine where it should go. Sometimes, a single ingredient may perform double or triple duties in a single TCM herbal formula, e.g., both as the king and the minister, or as the king, the minister and the assistant, or the like. Correspondingly, the TCM herbal formula may have only 2 or 3 ingredients in total.

In the present invention, a blend of fermented plant extracts containing at least four, and preferably seven, ingredients is provided for users with a balanced skin composition to maintain and strengthen the balance between Yin and Yang in the patient\'s skin, improve the immune system and the skin barrier function of the patient, revitalize the skin, and enhance self-repair function of the skin. Such a blend contains fermented extracts from Cordyceps sinensis mycelia, Ginkgo biloba leaf, Polygonum cuspidatum rhizome, and Citrus reticulata peel. The Cordyceps sinensis mycelia extract functions as the emperor or king ingredient in this blend; the Ginkgo biloba leaf extract functions as the minister ingredient; the Polygonum cuspidatum rhizome extract functions as the assistant ingredient; and the Citrus reticulata peel extract functions as the servant ingredient. Preferably, this blend of fermented plant extract further comprises one or more additional minister ingredients selected from the group consisting of fermented extracts from Poria cocos sclerotium, Panax ginseng root, and Perilla frutescens fruit, and most preferably, it comprises all three additional minister ingredients.

The fermented extract of Cordyceps sinensis mycelia is preferably present in this blend at an amount ranging from about 10% to about 40%, more preferably from about 15% to about 35%, and most preferably from about 20% to about 30%, by total weight of the blend. The fermented extract of Ginkgo biloba leaf is preferably present in this blend at an amount ranging from about 2% to about 30%, more preferably from about 5% to about 20%, and most preferably from about 10% to about 15%, by total weight of the blend. The fermented extract of Polygonum cuspidatum rhizome is preferably present in this blend at an amount ranging from about 2% to about 30%, more preferably from about 5% to about 20%, and most preferably from about 10% to about 15%, by total weight of the blend. The fermented extract of Citrus reticulata peel is preferably present in this blend at an amount ranging from about 2% to about 30%, more preferably from about 5% to about 20%, and most preferably from about 10% to about 15%, by total weight of the blend. If present, the fermented extract of Poria cocos sclerotium is preferably at an amount ranging from about 10% to about 40%, more preferably from about 15% to about 35%, and most preferably from about 20% to about 30%, by total weight of the blend. If present, the fermented extract of Panax ginseng root is preferably at an amount ranging from about 0.1% to about 15%, more preferably from about 1% to about 10%, and most preferably from about 3% to about 5%, by total weight of the blend. If present, the Perilla frutescens fruit is preferably at an amount ranging from about 2% to about 30%, more preferably from about 5% to about 20%, and most preferably from about 10% to about 15%, by total weight of the blend.

For users with a Yang-dominant or balanced-to-Yang skin composition, the present invention provides a blend of fermented plant extracts containing at least four, and preferably seven, ingredients to nourish the Yin energy in the skin, balance/neutralize the excess Yang energy, promote metabolism in the skin, facilitate circulation of bodily fluid as well as transportation of any turbid Qi (which is believed to be the cause of various diseases in TCM theories), regulate the immune system, improve the skin barrier function, and enhance the self-repair function of the skin. Such a blend contains fermented extracts from Ganoderma lucidum fruiting body, Selaginella tamariscina plant, Ginkgo biloba leaf, and Calendula officinalis flower. The Ganoderma lucidum fruiting body extract functions as the emperor or king ingredient in this blend; the Selaginella tamariscina plant functions as the minister ingredient; the Ginkgo biloba leaf extract functions as the assistant ingredient; and the Calendula officinalis flower extract functions as the servant ingredient. Preferably, this blend of fermented plant extract further comprises one or more additional minister ingredients selected from the group consisting of fermented extracts from Centella asiatica plant, Scutellaria baicalensis root, and Polygonum cuspidatum rhizome, and most preferably, it comprises all three additional minister ingredients.

The fermented extract of Ganoderma lucidum fruiting body is preferably present in this blend at an amount ranging from about 10% to about 45%, more preferably from about 15% to about 40%, and most preferably from about 20% to about 30%, by total weight of the blend. The fermented extract of Selaginella tamariscina plant is preferably present in this blend at an amount ranging from about 2% to about 35%, more preferably from about 5% to about 25%, and most preferably from about 10% to about 15%, by total weight of the blend. The fermented extract of Ginkgo biloba leaf is preferably present in this blend at an amount ranging from about 0.1% to about 20%, more preferably from about 1% to about 15%, and most preferably from about 3% to about 10%, by total weight of the blend. The fermented extract of Calendula officinalis flower is preferably present in this blend at an amount ranging from about 2% to about 35%, more preferably from about 5% to about 25%, and most preferably from about 10% to about 15%, by total weight of the blend. If present, the fermented extract of Centella asiatica plant is preferably at an amount ranging from about 2% to about 35%, more preferably from about 5% to about 25%, and most preferably from about 10% to about 15%, by total weight of the blend. If present, the fermented extract of Scutellaria baicalensis root is preferably at an amount ranging from about 2% to about 35%, more preferably from about 5% to about 25%, and most preferably from about 10% to about 15%, by total weight of the blend. If present, the Polygonum cuspidatum rhizome is preferably at an amount ranging from about 2% to about 35%, more preferably from about 5% to about 25%, and most preferably from about 10% to about 15%, by total weight of the blend. This blend of fermented plant extracts is used to balance both the Yang-dominant skin composition and the balanced-to-Yang skin composition, but at different concentrations. For example, the concentrations of fermented plant extracts in products designated for the balanced-to-Yang skin composition are preferably from 25% to 75%, more preferably from about 40% to about 60%, of those in products designated for the Yang-dominant skin composition.

For users with a Yin-dominant or balanced-to-Yin skin composition, the present invention provides a blend of fermented plant extracts containing at least four, and preferably seven, ingredients to nourish the Yang energy in the skin, balance/neutralize the excess Yin energy, strengthen the body fluid circulation, improve the immune system, enhance the skin barrier function, and enhance the self-repair function of the skin. Such a blend contains fermented extracts from Rhodiola rosea rhizome, Perilla frutescens fruit, Phellodendron amurense bark, and Foeniculum vulgare seed. The Rhodiola rosea rhizome extract functions as the emperor or king ingredient in this blend; the Perilla frutescens fruit functions as the minister ingredient; the Phellodendron amurense bark extract functions as the assistant ingredient; and the Foeniculum vulgare seed extract functions as the servant ingredient. Preferably, this blend of fermented plant extract further comprises one or more additional minister ingredients selected from the group consisting of fermented extracts from Santalum album stem, Hordeum distichon seed, and Citrus reticulata peel, and most preferably, it comprises all three additional minister ingredients.

The fermented extract of Rhodiola rosea rhizome is preferably present in this blend at an amount ranging from about 10% to about 50%, more preferably from about 15% to about 45%, and most preferably from about 25% to about 30%, by total weight of the blend. The fermented extract of Perilla frutescens fruit is preferably present in this blend at an amount ranging from about 0.5% to about 30%, more preferably from about 1% to about 20%, and most preferably from about 5% to about 15%, by total weight of the blend. The fermented extract of Phellodendron amurense bark is preferably present in this blend at an amount ranging from about 0.5% to about 30%, more preferably from about 1% to about 20%, and most preferably from about 5% to about 15%, by total weight of the blend. The fermented extract of Foeniculum vulgare seed is preferably present in this blend at an amount ranging from about 0.1% to about 15%, more preferably from about 1% to about 10%, and most preferably from about 2% to about 5%, by total weight of the blend. If present, the fermented extract of Santalum album stem is preferably at an amount ranging from about 0.1% to about 15%, more preferably from about 1% to about 10%, and most preferably from about 2% to about 5%, by total weight of the blend. If present, the fermented extract of Hordeum distichon seed is preferably at an amount ranging from about 10% to about 50%, more preferably from about 15% to about 45%, and most preferably from about 25% to about 30%, by total weight of the blend. If present, the Citrus reticulata peel is preferably at an amount ranging from about 5% to about 40%, more preferably from about 10% to about 30%, and most preferably from about 15% to about 20%, by total weight of the blend. This blend of fermented plant extracts is used to balance both the Yin-dominant skin composition and the balanced-to-Yin skin composition, but at different concentrations. For example, the concentrations of fermented plant extracts in products designated for the balanced-to-Yin skin composition are preferably from 25% to 75%, more preferably from about 40% to about 60%, of those in products designated for the Yin-dominant skin composition.

The present invention further provides a blend of fermented plant extracts for treating dark circles, puffiness, and wrinkles around the periorbital areas. According to TCM theories, dark circles are caused by stasis of Qi and body fluid, while puffiness around the eye area is caused by dampness and stasis of body fluid. Therefore, the present invention provides a blend of fermented plant extracts containing four ingredients for complementing Qi, improving the circulation of body fluid, removing dampness, tightening the skin, and prevent pre-mature skin aging. Such a blend contains fermented extracts from Ligusticum chuangxiong root, Paeonia lactiflora root, Rehmannia glutinosa root, and Zizyphus jujube fruit. The Ligusticum chuangxiong root extract functions as the emperor or king ingredient in this blend; the Paeonia lactiflora root functions as the minister ingredient; the Rehmannia glutinosa root extract functions as the assistant ingredient; and the Zizyphus jujube fruit extract functions as the servant ingredient. The fermented extract of Ligusticum chuangxiong root is preferably present in this blend at an amount ranging from about 5% to about 50%, more preferably from about 10% to about 40%, and most preferably from about 20% to about 30%, by total weight of the blend. The fermented extract of Paeonia lactiflora root is preferably present in this blend at an amount ranging from about 5% to about 50%, more preferably from about 10% to about 40%, and most preferably from about 20% to about 30%, by total weight of the blend. The fermented extract of Rehmannia glutinosa root is preferably present in this blend at an amount ranging from about 5% to about 50%, more preferably from about 10% to about 40%, and most preferably from about 20% to about 30%, by total weight of the blend. The fermented extract of Zizyphus jujube fruit is preferably present in this blend at an amount ranging from about 5% to about 50%, more preferably from about 10% to about 40%, and most preferably from about 20% to about 30%, by total weight of the blend.

The above-described blends of plant extracts can further include other plant extracts of known skin care benefit but are not specifically mentioned herein. Such plant extracts may include, but are not limited to, those obtained from roots, leaves, flowers, stalks or other parts of plants such as Simmondsia Chinensis, Camellia Sinensis, Coffee Arabica, Betula Alba, Zea Mays, Siegesbeckia Orientalis, Helianthus Annus, Hordeum Vulgare, Cucumis Sativus, Carthamus Tinctorius, Mangifera Indicia, Garcinia Indica, Anthemus Nobilis, Arabidopsis Thaliana, Myrtus Communis, Apium Graveolens (Celery), Arabidopsis Thaliana, Padina Pavonica, Beta Vulgaris, Betula Alba, Butyrosperum Parkii, Garcinia Mangostana, Racemusus, Platycodon, Emblica Officinalis, Criste Marine, Lavande Papillon, Polygonum Cuspidatum, Laminaria Japonica, Fucus Vesiculosis, Borago Officinalis, Phyllanthus Emblica, Inonotus Obliquus, Calophyllum Inophyllum, Scutellaria Baicalensi), Boswellia Serrata, Boswellia Bhau-dajiana, Boswellia Frereana, Boswellia Papyrifera, Sudanese Boswellia Sacra, Boswellia Carteri, Commiphora Incisa, Commiphora Myrrha, Commiphora Abyssinica, Commiphora Erthraea, Commiphora Molmol, Bursera Microphylla; Nidularium Procerumt, Curcuma Longa, Macrycystis Pyrifera, Pleurotus Ostreatus, Hypsizygus Ulmarius, Cladosiphon Okamuranus, Acalypha Wilkesiana, Acanthopanax Gracilistylus, Allium Sativum, Ananus Comosus, Cissampelos Sympodialis, Coriolus Versicolor, Echinacea Purpurea, Grifola Frondosa, Harpagophytum Procumbens, Panax Ginseng, Polygala Tenuifolia, Poria Cocos, Silybum Marianum, Smilax Glabra, Tinospora Cordifolia, Uncaria Tomentosa, Withania Somnifera, Echinancea, Viscum Album, Capparis Moonii, Capsella Brusa Pastoris, Doliocarpus Verruculosus, Kaempferia Galanga, Sauropus Androgynus, Tetracapidium Conophorum, Pinus Pinaster, Vitis Vinefera, Pluchea Indica, Viola Hondoensis, Triphala Chebula, Citri Reticulatae, Tepescohuite, Mimosa Pudica, Silymarin, Eucommia, Menyanthes Trifoliata, Calluna Vulgaris, Rosa Canina, Polyporus Umbellatus, Chamomilla Recutita, Pygeum Africanum, Actina Boswellia, Soft Pygeurm Capsicum Annum, Carpinus Laxiflora, Parinus Tschonoskii, Castanopsis Cuspidata, Selaginella Tamariscina, Rosmarinus Officinalis, Cayaponia Tayuya, Celosia, Cristata, Cercis Chinensis, Haplophyllum hispanicum, Scutellaria Rivularis, Centauriumt, Polygonum Cuspidatum,Nigella Sativa, Rhodiola Rosea, Anemarrhena asphodeloides, Zhi Mu, Uncaria Tomentosa Cereus Granidflora, Chaenomeles Sinensis, Lyngbya, Viapure Poria, Polyporus Umbellatus, Chrysanthellum Indicum, Tridentata marginate, Paeonia Alb flora, Saussurea Costus, Saussurea Lappa, Magnolia Officianalis, Echineacea Pallida and those set forth on pages 2755-2757 of the C.T.F.A. International Cosmetic Ingredient Dictionary and Handbook, Eleventh Edition, 2006, which is hereby incorporated by reference in its entirety.

Particularly, extracts from certain fungi with known medicinal benefits can be included in the blends of plant extracts of the present invention. For example, fungi from the genus Trametes are known for their medicinal properties. Sophisticated outdoorsmen will sometimes chew a piece of fungi picked from Trametes Versicolor (also referred to as Turkey Tail) like gum when they are hiking in the woods. It has been discovered by the inventors that in addition to their known medicinal properties, Trametes extracts also have beneficial properties when applied to the skin. Specifically, Trametes extracts contain certain chemical components that are particularly effective in whitening or brightening the skin. It is believed that such skin-whitening or brightening effect is achieved either through inhibition of tyrosinase activity or other cellular pathways that lead to skin pigmentation, thereby preventing formation of age spots or mottled skin, or through destruction of melanin in already formed age spots or mottled skin and thereby improving the overall evenness of the skin tone. Extracts from the Trametes genus are also excellent moisturizers, and some species may also be useful in absorbing excess sebum in oily skinned individuals.

Various plants or raw plant materials as described hereinabove are first cut and cleaned and then subjected to a low temperature water extraction process, in which the plant materials are immersed in a solvent system consisting essentially of deionized water at a temperature ranging from about 75° C. to about 95° C. (preferably from about 80° C. to about 90° C.) and a pressure ranging from about 0.03 to about 0.05 mpa for a duration of about 8 to 10 hours. The extraction solution is then concentrated at a temperature ranging from about 50° C. to about 65° C. (preferably from about 55° C. to about 60° C.) and under a vacuum condition characterized by a negative pressure ranging from about 1 torr to about 100 torr, more preferably from about 5 torr to about 50 torr, and most preferably about 10-15 torr. The concentrated extract solution is then spray dried at a temperature ranging from about 100° C. to about 150° C., preferably 120° C. to about 140° C., to form fine powders ready for packaging and shipping.

The blends of plant extracts in the above-described fine powder form can be directly formulated into topical or cosmetic compositions. However, such topical or cosmetic compositions are typically characterized by a distinctive bitter odor and a brownish dark color commonly associated with TCM extracts and may not be considered aesthically and olfactorily acceptable by most users of cosmetic or skin care products. In order to improve the aesthic and olfactory appeal of the final cosmetic or skin care products, the present invention employs a unique fermentation process to further treat the blends of plant extracts as described hereinabove.

The fermentation process of the present invention comprises incubating a blend of plant extracts in the presence of yeast, fungi, or other suitable aerobically metabolizing microorganisms, under suitable aerobic conditions, for a period of time sufficient to reduce or eliminate the undesirable odor and/or color of the plant extracts while preserving the desirable biological activities of the TCM ingredients. In a particularly preferred embodiment, the microorganism used for fermenting the plant extracts is a fungus from the genus Trametes, and more preferably from the species Trametes Versicolor.

The fermentation process can take either one of two approaches. The first approach is a process in which the microorganism is fermented not only in the presence of the plant extracts but also with traditional culturing nutrients. During such incubation, the yeast or other microorganisms can multiply significantly in number. The second, and preferred, approach is to ferment the yeast or other microorganisms in an aqueous environment, in the presence of only the plant extracts and in substantial absence of any additional nutrients, or in a low nutrient media, so that during the fermentation process, the yeast or other microorganisms only engage in catabolic processing of the plant extracts. The incubation is monitored periodically for signs of the plateauing of biological activity, for example, a leveling off of pH, and then the system temperature is raised to between about 30-50° C., preferable about 40-45° C., for at least about 24 hours. In one embodiment, the temperature is then briefly raised to 90-95° C. for a period of about 5-10 minutes, which ruptures the yeast, releasing the cell contents. Alternately, the cells can be disrupted by sonication. The entire system is then cooled to room temperature, and filtered with progressively decreasing pore size to remove yeast debris, leaving a fermented extract that has significantly reduced odor and/or color in comparison with the unprocessed extract.




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stats Patent Info
Application #
US 20120270291 A1
Publish Date
10/25/2012
Document #
File Date
12/31/1969
USPTO Class
Other USPTO Classes
International Class
/
Drawings
0


Chinese

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Chemistry: Molecular Biology And Microbiology   Micro-organism, Tissue Cell Culture Or Enzyme Using Process To Synthesize A Desired Chemical Compound Or Composition   Using Fungi  

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20121025|20120270291|topical compositions comprising fermented extracts of traditional chinese medicinal (tcm) ingredients, and methods of making and using same|The present invention relates to topical compositions containing fermented extracts of Traditional Chinese Medicinal (TCM) ingredients for improving the appearance and skin condition of the user. The topical compositions of the present invention are tailored for different users of different skin compositions according to TCM principles. The fermented TCM extracts |