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Polyphenolic cosmetic composition
| Details |
Inventors: Tanabe, Masayuki; Kanda, Tomomasa; Yanagida, Akio; Shoji, Toshihiko;
Assignee: The Nikka Whisky Distilling Co., Ltd. (Tokyo, JP)
Primary Examiner: Mosley; Terressa
Assistant Examiner:
Attorney, Agent or Firm: Armstrong, Westerman Hattori, McLeland & Naughton
Cosmetics are herein disclosed which contain a polyphenol derived from the fruits of Rosaceae, and the polyphenol is obtainable by purifying a pressed juice or an extract of the unripe fruits of the Rosaceae, for example, apples, pears or peaches. The cosmetics have many useful functions such as an ultraviolet light absorbing activity and a free radical erasing activity. |
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DETAILED DESCRIPTION OF THE INVENTION Cosmetics of the present invention contain a polyphenol derived from the fruits of Rosaceae.
It has been elucidated that the polyphenol contains simple polyphenol compounds such as caffeic acid derivatives, p-coumaric acid derivatives, flavan-3-ols (catechins), flavonols (quercetin glycosides) and dihydrochalcones (phloretin glycosides), and high-molecular polyphenol compounds such as condensed tannins (Japanese Patent Application Laid-open No.
285876/1995).
Therefore, the above-mentioned fruits polyphenol has various physiological functions.
As the first physiological function which the polyphenol derived from the fruits of the Rosaceae has, there is an ultraviolet light absorbing activity.
Therefore, when the above-mentioned polyphenol is mixed with the cosmetics, the ultraviolet light absorbing activity can be imparted to the cosmetics.
The ultraviolet light absorbing activity, which the above-mentioned polyphenol has, is shown in FIG.
1.
The ultraviolet light can be classified into a short wavelength ultraviolet light having a wavelength of 280 nm or less (hereinafter referred to as "UV-C"), a medium wavelength ultraviolet light having a wavelength of 280 to 320 nm (hereinafter referred to as "UV-B") and a long wavelength ultraviolet light having a wavelength of 320 to 400 nm (hereinafter referred to as "UV-A").
Of these ultraviolet lights, most of the UV-C is absorbed by an ozone layer, and therefore the ultraviolet lights which have an influence on the skin are mainly the UV-A and the UV-B.
As substances having the ultraviolet light absorbing activity, there are heretofore known various compounds such as paraaminobenzoic acid (hereinafter referred to as "PABA"), dibenzoylmethane and cinnamates.
However, the above-mentioned polyphenol is different from these substances, and it is a natural component derived from vegetables and has a maximum ultraviolet light absorption wavelength in the range of 280 to 290 nm and in the range of 315 to 325 nm as shown in FIG
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Weight Loss and Supplements 
