Abstract:
A composition comprising an extract of Myristica fragrans is provided to promote activity of osteoblast, thereby being usefully used to prevent or treat osteoporosis. A composition for preventing or treating osteoporosis comprises machilin A represented by a formula 1, macelignan represented by a formula 2, machilin F represented by a formula 3, nectandrin B represented by a formula 4, safrole represented by a formula 5, licarin A represented by a formula 6, licarin B represented by a formula 7, myristagenol A represented by a formula 8, meso-dihydroguaiaretic acid represented by a formula 9, a mixture thereof or an extract of Myristica fragrans comprising the compounds of the formulae(1) to (9) as effective ingredients, wherein the extract is prepared by using a solvent selected from the group consisting of C1-4 alcohol and an aqueous solution thereof, dichloromethane, ethyl acetate and a mixture thereof.
Abstract:
A composition comprising the extract of Saururus chinensis or active compounds isolated therefrom is provided to inhibit growth of osteoclast, so that the composition is useful for preventing or treating osteoporosis. A composition for preventing or treating osteoporosis comprises 0.01-30 wt.% of the extract of Saururus chinensis, which is prepared by extracting Saururus chinensis with C1-4 alcohol and its solution, dichloromethane, ethylacetate or a mixture thereof, or active compounds isolated from the Saururus chinensis extract including (-)-saucerneol represented by the formula(1) and sauristolactam represented by the formula(2), and is a pharmaceutical or health food composition having a formulation of beverage.
Abstract:
A composition comprising the extract of Psoralea corylifolia seed or effective compounds contained therein is provided to inhibit the activity of BACE-1(beta-site APP(amyloid precursor protein)-cleaving enzyme 1) mediating the formation of beta-amyloid as a main causing material of dementia, so that the composition is useful for preventing or treating neurodegenerative disease. A composition for preventing or treating neurodegenerative disease comprises the extract of Psoralea corylifolia seed, which is prepared by extracting Psoralea corylifolia seeds with C1-4 alcohol or its solution, dichloromethane, ethylacetate or a mixture thereof, or a compound selected from 7-hydroxy-3-(4-methyl-4-(4-methylpentene-3-yl)-4H-chromen-6-yl)-4H-chromen-4-one represented by the formula(1), bakuchiol, bavachromene, isobavachromene, bavachalcone, isobavachalcone, bavachinin, 7,8-dihydro-8-(4-hydrophenyl)-2,2-dimethyl-2H,6H-[1,2-b:5,4-b']dipyran-6-one isolated from the extract of Psoralea corylifolia seed.
Abstract:
A compound having a BACE-1 inhibitory effect and an extract obtained from bark of grapevine and containing the same compound are provided to obtain a pharmaceutical composition or health-aid food for preventing or treating neurodegenerative diseases. A compound having a BACE-1 inhibitory effect is represented by the following formula 1. The compound represented by formula 1 is obtained through an extraction process using an organic solvent selected from the group consisting of C1-C4 alcohols or aqueous solution thereof, dichloromethane, ethyl acetate and a mixture thereof. Particularly, the compound represented by formula 1 is obtained by extracting bark of grapevine with the organic solvent, and by further extracting the extract with an organic solvent selected from the group consisting of butanol, dichloromethane and ethyl acetate.
Abstract:
본 발명은 유효성분으로서 아위(Ferulae Resina)로부터 분리된 세스키테르펜(sesquiterpene) 화합물인 갈바닉산, 카라타비시놀, 움벨리프레논, 파네시페롤 B, 파네시페롤 C 및 이들의 혼합물로 이루어진 그룹으로부터 선택된 어느 하나를 약제학적으로 허용되는 담체와 함께 함유하는 항암제 조성물에 관한 것으로, 본 발명의 조성물은 폐암, 난소암, 흑색종, 중추신경계 종양, 결장암, 백혈병 등 각종 악성종양의 예방 및 치료제로 사용될 수 있다.
Abstract:
PURPOSE: A medicinal composition containing a balloon flower extract is provided to previously prevent and heal dementia by effectively restricting the reduction of neurotransmitter and restricting the damage of nerve cell. CONSTITUTION: The medicinal composition for previously preventing and healing dementia is generally composed of a balloon flower extract as an active component and medical carriers. Additionally, acceptable herb medicine or extract thereof are added to the medicinal composition.
Abstract:
본 발명은 신규한 불소화 비닐 술파이드 및 술폰계 화합물에 관한 것이다. 좀 더 구체적으로, 본 발명은 하기 일반식(Ⅰ)로 표시되는 신규한 불소화 비닐 술파이드 및 술폰계 화합물과 그의 제조방법에 관한 것이다.
상기 식에서, n은 0 또는 2의 정수이며; R은 수소, 불소, 염소, 메틸기, 메톡시기, 트리플루오르메틸기가 치환된 페닐기; 탄소수 1 내지 3개의 저급 알킬기; 또는, 시클로헥실기이고; R 1 은 페닐기 또는 에틸기이며; 및, R F 는 불소 또는 탄소수 1 내지 3개의 퍼플루오로알킬기이다. 본 발명의 불소화 비닐 술파이드 및 술폰계 화합물은 살균활성을 갖는 농약이나 의약의 유효성분을 합성하는 중간체 및 불소치환된 비닐계 화합물의 합성원료로서 유용하며, 본 발명의 제조방법에 의해 다양한 치환기가 도입된 신규한 불소화 비닐 술파이드 및 술폰계 화합물을 1 내지 2단계의 공정을 사용하여 간편하면서도 대량으로 제조할 수 있다는 것이 확인되었다.
Abstract:
본 발명은 신규한 불소화 알킬 유도체 및 그의 제조방법에 관한 것이다. 좀 더 구체적으로, 본 발명은 하기 일반식(Ⅰ) 및 (Ⅱ)로 나타내어지는 신규한 불소화 알킬 화합물의 제조방법 및 하기 일반식(Ⅰ)의 신규한 알킬유도체 화합물에 관한 것이다.
상기식에서, R은 탄소수가 2 내지 4개인 저급알킬, 시클로헥실 및 티오펜이거나, 수소 또는 저급알킬, 할로알킬, 할로겐 및 알콕시기로 치환된 페닐기이며; 및, Rf는 불소가 치환된 탄소수가 1 내지 3개의 저급알킬기이다. 본 발명의 일반식(Ⅰ)의 화합물은 농약 및 의약의 활성성분으로 이용될 수 있으며, 또한, 유효성분을 합성하는 중간체로도 유용하다.