Abstract:
An extractor and an extracting method using a pottery are provided to create high pressure inside the extractor body in order to prevent extracts from contacting the extractor body of metal material. An extractor(200) comprises a hollow body(210) made of metal, a cover(220) closing the body, a heating part(230) heating the body from the outside, a pottery(240) placed inside the body, and a gas valve(250) which injects gas into the body or discharges gas from the body.
Abstract:
A hydroxamic acid derivative is provided to induce the activity increase of each promoter of IDH3alpha and CPT1 involving with energy consumption metabolism, thereby being usefully used for preventing or treating diseases related to dyslipidemia such as obesity, hyperlipidemia and diabetes. A hydroxamic acid is represented by a formula(1), wherein R1 is CONH, NHCO, CONR4 or NR4CO(where R4 is H or C1-10 alkyl); R2 is -(CH2)n-(where n is 0 or 1); and R3 is H or C1-10 alkyl. A method for preparing the hydroxamic acid comprises the steps of: (a) reacting an anhydrous compound synthesized by reacting ethyl chloroformate with piperonic acid using pyridine or N-methyl morpholine as a solvent with methyl 4-amino benzoate or 4-amino phenyl acetic acid ethyl ester at a temperature of 10-20 deg.C using pyridine or N-methyl morpholine as a solvent to prepare a benzamide compound; (b) reacting the benzamide with an alkyl halide selected from the group consisting of bromomethane, bromoethane, bromopropane, bromo isopropane, bromo butane, and bromo tert-butane to substitute an amide bond of the benzamide with an alkyl group; (c) hydrolyzing methyl ester in the benzamide obtained from the step(a) or the benzamide compound obtained from the step(b) to prepare an acid and reacting the acid with ethyl chloroformate using pyridine or N-methyl morpholine as a solvent to covert the acid into an anhydrous compound; and (d) reacting the anhydrous compound with hydroxyl amine chloride or N-methyl hydroxyl amine chloride at a temperature of 0-10 deg.C using pyridine or N-methyl morpholine as a solvent to obtain the product of the formula(1). An agent for anti-obese, treating diabetes or hyperlipidemia comprises the hydroxamic acid.
Abstract:
A skin whitening cosmetic composition comprising a panduratin derivative or an extract of Kaempferia Pandurata is provided to be safely used to skin without side effects and show excellent pigmentation inhibitory effect by inhibiting melanogenesis, thereby improving liver spots or freckles and showing excellent skin whitening effect. A skin whitening cosmetic composition comprises 0.001-10 wt.% of at least one panduratin derivative selected from the group consisting of compounds represented by formulae(1) to (3), wherein the panduratin derivative is extracted from Kaempferia Pandurata. Further, the skin whitening cosmetic composition is cosmetic water, cream, massage cream, essence, eye cream, eye essence, cleansing cream, cleansing form, cleansing water, pack, gel, powder, body lotion, body cream, body oil and body essence.
Abstract:
본 발명은 이카린의 가수분해물을 함유하는 화장료용 조성물에 관한 것으로, 보다 구체적으로는 이카린의 가수분해물인 이카리틴, 이카리시드 I 및 이카리시드 II를 함유하는 화장료에 관한 것이고, 상기 이카린(icariin)의 가수분해물은 (a) 식물로부터 물 또는 유기용매를 이용하여 이카린을 함유하는 식물 추출물을 수득하는 단계; 및 (b) 상기 수득된 식물 추출물을 산, 염기, 효소 또는 상기 효소를 생산하는 미생물을 이용하여 가수분해하는 단계를 포함하는 방법에 의해 제조될 수 있다. 본 발명에 따른 화장료용 조성물은 항산화, 항노화, 미백 또는 주름 개선용으로 적용될 수 있다. 에피메디움, 이카리틴, 이카리시드 I, 이카리시드 II, 이카린, 항산화, 미백, 주름 개선, 항노화, 화장료
Abstract:
본 발명은 항산화 효과를 나타내는, 하기 화학식 1로 표시되는 신규 토코페롤 유도체 및 이의 제조방법, 이를 함유하는 화장료 조성물에 관한 것이다. [화학식 1]
상기 식 중에서 R 1 , R 2 , R 3 는 H 또는 메틸기로서, 토코페롤의 상기 5, 7 또는 8번 위치에 적어도 하나 이상의 메틸기를 가지며, A는 CH 2 -CH(CH 3 )- 또는 CH=C(CH 3 )-이다. R 4 는 CH 2 -CH 2 , CH=CH, CH 2 -CH 2 -CH 2 , CH 2 -CH(CH 3 )-CH 2 또는 CH 2 -C(CH 3 ) 2 -CH 2 이다. R 5 는 디에탄올 아민, 트리스 히드록시 아민 또는 N-메틸 글루카민이다. 토코페롤 유도체 * 토코페롤숙신산 * 토코페롤말레인산 * 토코페롤 글루타르산 * 염화토코페롤숙신산 * 염화토코페롤말레인산 * 염화토코페롤글루타르산 * 화장료 조성물 * 항산화
Abstract:
Provided is a 3,5-dihydroxybenzoic acid derivative, which shows an elastase inhibitory effect and an excellent effect of scavenging free radicals generated by UV irradiation, has an excellent anti-aging effect, and is useful for an anti-aging cosmetic composition. The 3,5-dihydroxybenzoic acid derivative is a compound represented by a formula 1, substituted with hydroxyl groups at 3,5-position thereof and the amide group being substituted with a bulky substituent. The 3,5-dihydroxybenzoic acid derivative is obtained by the method comprising the steps of: (A) reacting 3,5-dihydroxybenzoic acid with acetic anhydride to form 3,5-diacetyloxybenzoic acid; (B) forming an amide compound from the 3,5-diacetyloxybenzoic acid by using ethyl chloroformate and an oleophilic group; and (C) hydrolyzing the acetyl group of the amide compound to provide a 3,5-dihydroxybenzoic acid derivative.
Abstract:
본 발명은 펜타에리스리톨 유도체가 포집된 메조포러스 다공성 실리카 복합 분체 및 그 제조방법에 관한 것으로서, 보다 상세하게는 높은 흡유량을 가진 다공성 실리카에 피부 각질층의 수분 유지 능력을 향상시키고, 특히 건조환경에서도 높은 보습력을 보이는 펜타에리스리톨 유도체가 포집된 메조포러스 다공성 실리카 복합 분체 및 그 제조방법에 관한 것이다. 펜타에리스리톨 유도체, 수분유지능력, 보습력, 다공성 실리카
Abstract:
Sesamol derivatives and a process for preparing the same compounds are provided to improve anti-oxidizing activity and stability of sesamol, recover the skin damaged by reactive oxygen species, prevent aging of biological membranes, and inhibit production of peroxides of unsaturated fatty acid and its derivatives. The sesamol derivatives represented by the formula(1) are provided, wherein the sesamol derivatives are prepared by reacting sesamol with adamantanol in an equivalence ratio of 1:1.0~1.3 under acid condition, and recrystallizing the resulting product in polar solvent; the acid is hydrochloric acid, nitric acid, sulfuric acid, p-toluenesulfonic acid, benzene sulfonic acid, acetic acid, trichloroacetic acid or trifluoroacetic acid; the solvent used in the reaction is dichloromethane, tetrahydrofuran, ethyl acetate, acetonitrile, chloroform, ethyl ether, trichloro ethylene, benzene or toluene; and the polar solvent is methanol, ethanol, isopropanol, acetone, acetonitrile or water.