Shiseido Company, Limited

Other

Kumiai Chemical Industry Co., Ltd.

Fumio Eguchi

Mineyuki Yokoyama

Shoko Yamaguchi

Koji Kobayashi

Kiyotaka Kojima

Okihiko Sakamoto

Toshii Iida

Osamu Tanaka

Seiichi Yoshida

Masato Hatao

Shinji Inomata

Yoshihiro Yokokawa

Nobuhiko Ochiai

Takeshi Nawamura

Atsushi Takimoto

Hiroshi Fukui

Satoshi Watanabe

Shinichiro Haze

Mitsuo Yanagi

Katsuyuki Yomogida

Yasukazu Nakayama

Ken Kusakari

Yumiko Suzuki

Yoko Gozu

Hiroaki Yasuhara

Iida Toshii

Hiroyuki Tsukada

Tetsuya Sakai

Kazuo Komatsu

Kazuo Komatu

Provided is a plant growth regulator having for an active ingredient thereof an &#x3b1;-ketol fatty acid derivative represented by the following general formula (1) 

Plant growth regulator

An object of the present invention is to determine novel means of activating plants; more particularly, means of controlling plant growth, such as means of promoting growth, means of controlling dormancy, means of imparting tolerance against stress for plants (dryness, high or low temperatures, osmotic pressure, etc.), and means of preventing aging. The present inventors have found that the above object can be achieved by providing plant activators containing, as an active ingredient, C-Cketol fatty acids, in particular, 9-hydroxy-10-oxo-12(Z),15(Z)-octadecadienoic acid.

Plant activator

The present invention provides an antioxidant and a whitening agent having high safety, and a external preparation for skin using the same. The antioxidant and whitening agent comprise, as an effective component, one or more extracts fromselected from the group consisting ofand. These extracts have a free radical capturing ability and are useful for suppressing skin oxidation and for preventing and improving skin aging. In addition, the extracts have a tyrosinase activity inhibiting action and can suppress the melanin generation. Since the fruit bodies of thesehave been used for edible purpose and have high safety, they can be used preferably for an external preparation for skin.

[object Object]

&#x3b1;-Ketol unsaturated fatty acid derivatives represented by the general formula (1); and plant growth regulators containing the same, which develop plant growth regulation performance such as flower bud formation acceleration in low concentrations and are excellent in stability: wherein Ris straight-chain Calkyl or a straight-chain unsaturated Chydrocarbon group having one or two double bonds; and Ris straight-chain Calkylene or a straight-chain unsaturated Chydrocarbon chain having one to three double bonds, with the proviso that the number of carbon-carbon double bonds is at most four.

&#x3b1;-Ketol unsaturated fatty acid derivative and plant growth regulating agent using same

The present invention provides an antioxidant and a whitening agent having high safety, and a external preparation for skin using the same. The antioxidant and whitening agent comprise, as an effective component, one or more extracts fromselected from the group consisting ofandThese extracts have a free radical capturing ability and are useful for suppressing skin oxidation and for preventing and improving skin aging. In addition, the extracts have a tyrosinase activity inhibiting action and can suppress the melanin generation. Since the fruit bodies of thesehave been used for edible purpose and have high safety, they can be used preferably for an external preparation for skin.

Antioxidant, whitening agent and external preparation for skin using the same

&#x3b1;-Ketol unsaturated fatty acid derivatives represented by the following formula (1), &#x3b1;-ketol unsaturated fatty acid amide derivatives represented by the following formula (6), and plant growth regulators containing, as the active ingredient, at least one of these derivatives: wherein Rrepresents linear Calkyl; R represents hydrogen, etc.; Rrepresents hydrogen, etc.; Rrepresents hydrogen, etc.; Rrepresents hydrogen, etc.; n is an integer from 3 to 15; and the carbon atoms at the A- and B-positions may be in either (R)- or (S)-configuration; and wherein Rrepresents Calkyl, etc; Rrepresents hydrogen, etc.; Rrepresents &#x3b1;-ketolalkylene; and Rrepresents specific divalent linear hydrocarbyl.

Ketol fatty acid derivatives and plant growth regulators

&#x3b1;-Ketol unsaturated fatty acid derivatives represented by the following formula (1), &#x3b1;-ketol unsaturated fatty acid amide derivatives represented by the following formula (6), and plant growth regulators containing, as the active ingredient, at least one of these derivatives:wherein Rrepresents linear Calkyl; Rrepresents hydrogen, etc.; Rrepresents hydrogen, etc.; Rrepresents hydrogen, etc.; Rrepresents hydrogen, etc.; n is an integer from 3 to 15; and the carbon atoms at the A- and B-positions may be in either (R)- or (S)-configuration; andwherein Rrepresents Calkyl, etc; Rrepresents hydrogen, etc.; Rrepresents &#x3b1;-ketolalkylene; and Rrepresents specific divalent linear hydrocarbyl.

Ketol fatty acid derivative and plant growth regulating agents

An object of the present invention is to determine nov 1 means of activating plants: more particularly, means of controlling plant growth, such as means of promoting growth, means of controlling dormancy, means of imparting tolerance against stress for plants (dryness, high or low temperatures, osmotic pressure, etc.), and means of preventing aging. The present inventors have found that the above object can be achieved by providing plant activators containing, as an active ingredient, C-C, ketol fatty acids, in particular, 9-hydroxy-10-oxo-12 (Z),15(Z)-octadecadienoic acid.

Plant potentiators

An external skin treatment composition is described that comprises a &ldquo;unicellularized&rdquo; plant. This composition exhibits superior stability of the effective plant ingredients, superior moisture retention, and superior elimination of specific free radicals, and it offers sustained release of the effective plant ingredients. Methods are disclosed to unicellularize plants with, for example, an enzyme.

External skin treatment composition

A natural flavor or fragrance can be easily and effectively produced by using a &ldquo;unicellularized plant&rdquo;, obtained by unicellularizing, without destroying, the cells of a plant usable as a starting material for a natural flavor or fragrance, as a material for the natural flavor or fragrance and further applying an enzymatic treatment or chemical treatment or continuously heating the same, to thereby remarkably shorten the aging period for producing the natural flavor or fragrance, or by homogenizing a plant usable as the starting material quickly after harvesting to thereby promote the aging.

Process of production of natural flavor or fragrance

An agent for inducing flower bud formation in plants comprising an unsaturated fatty acid having an oxo group and a hydroxy group, a hydroperoxy group, or an oxo group, a hydroxy group, and a hydroperoxy group; a method for preparing said agent for inducing flower bud formation; and, a method for inducing flower bud formation using said agent for inducing flower bud formation are provided.

Agents for inducing flower bud formation

Flower initiation inducer

Indole derivatives and rooting inducers comprising the same as the

An improved process for the organ cultivation of a Mishima-saiko root is provided. In the cultivation of a Mishima-saiko root, by carrying out the cultivation while regulating the saccharide concentration to be less than 2%, until the adventitious roots have spread out, and optionally adding an additional saccharide, the productivity of saiko-saponin can be enhanced.

Growing community of inventors

Yokohama, Japan

Mineyuki Yokoyama