Abstract:
PURPOSE: A Paeonia lactiflora seed extract, a fraction thereof, or a compound isolated therefrom, and a pharmaceutical composition containing the same are provided to suppress the activation of beta-secretase (BECE-1) and to prevent or treat neurodegenerative diseases. CONSTITUTION: A pharmaceutical composition for preventing or treating neurodegenerative diseases contains one or more kinds of compounds selected among compounds of chemical formulas 1-8, as active ingredients. A method for preparing the compounds of chemical formulas 1-8 comprises the steps of: adding water, C1-C4 alcohols, or a mixture thereof to Paeonia lactiflora seeds and obtaining a Paeonia lactiflora seed extract; fractioning the extract with water, dichloromethane, and ethyl acetate and obtaining a fraction; and isolating compounds by performing silicagel column chromatography of the fraction and purifying the compounds.
Abstract:
본 발명은 하기 화학식 1로 표시되는 신규 갈바닉산 유도체 또는 이의 약학적으로 허용가능한 염, 이의 제조방법 및 이를 유효성분으로 함유하는 다약제내성 억제용 약학적 조성물에 관한 것으로, 본 발명에 따른 갈바닉산 유도체는 다약제내성의 주요 원인인 P-당단백질의 과발현에 대한 억제활성 및 항암제와의 병용투여시 항암활성의 증가를 나타내어 항암제에 대한 다약제내성 극복제제, 치료제 또는 조절제로 이용될 수 있으며, 항암제의 효과를 증진시켜 암환자의 생존률을 높일 수 있고, 병용 투여하는 항암제의 용량을 줄여 정상세포에 대한 부작용을 감소시킬 수 있으므로 항암치료에 유용하게 사용될 수 있다. [화학식 1]
(상기 화학식 1에서, R 1 및 R 2 는 본 명세서에 정의된 바와 같다) 갈바닉산, 유도체, 다약제내성, 억제, 암
Abstract:
PURPOSE: A pharmaceutical composition containing Platycodon grandiflorum membrane-separated extract is provided to reduce lipid peroxide concentrate and to prevent or treat myocardial infarcton. CONSTITUTION: A pharmaceutical composition for preventing or treating myocardial infarction contains Platycodon grandiflorum membrane-separated extract as an active ingredient. A method for preparing the extract comprises: a step of adding water, organic solvent, or mixture solvent thereof to Platycodon grandiflorum; and a step of isolating membrane. The organic solvent is alcohol of C1-C4, acetic acid ethyl, methylene chloride or chloroform.
Abstract:
PURPOSE: A composition containing mixture extract of Saururus chinensis and Scutellaria baicalensis is provided to suppress osteoclast differentiation, enhance bone density and bone content, and prevent or treat osteoporosis. CONSTITUTION: A pharmaceutical composition for preventing or treating osteoporosis contains mixture extract of Saururus chinensis and Scutellaria baicalensis as an active ingredient. The weight ratio of the Saururus chinensis and Scutellaria baicalensis is 1:10-10:1. A food composition for preventing and relieving osteoporosis contains mixture extract of Saururus chinensis and Scutellaria baicalensis as an active ingredient. A method for producing the mixture extract comprises: a step of washing Saururus chinensis and Scutellaria baicalensis with water and drying; a step of extracting the Saururus chinensis and Scutellaria baicalensis with solvent; a step of cooling the extract at room temperature and filtering; a step of decompress-concentrating and freeze-drying; and a step of mixing the extract of Saururus chinensis and Scutellaria baicalensis.
Abstract:
A composition for relaxing blood vessel which contains an Ulmus macrocarpa extract prevent and treat various cardiovascular diseases by inducing the relaxation of vascular smooth muscle. A pharmaceutical composition for relaxing blood vessel contains an Ulmus macrocarpa extract as an active ingredient. The composition is effective in preventing and treating hypertension, coronary artery disease, cerebrovascular disease, peripheral vascular disease, main artery disease, kidney dysfunction, cardiac insufficiency or vision disorder An organic solvent for extracting the Ulmus macrocarpa is selected from ethanol, ethanol solution, methanol, methanol solution, butanol, dichloromethane, ethyl acetate, hexane and their mixture. A health food having the effect of blood vessel relaxation contains Ulmus macrocarpa extract.
Abstract:
본 발명은 비티신(vitisin) B, 입실론-비니페린 (ε-viniferin), 암펠롭신 (ampelopsin) A 및 이들의 혼합물로 이루어진 군으로부터 선택된 화합물 또는 이를 포함하는 포도나무 ( Vitis vinifera ) 수피 (樹皮) 추출물을 유효성분으로 포함하는 조성물에 관한 것으로, 본 발명의 조성물은 각종 치매의 원인 물질로 널리 알려진 베타-아밀로이드 (beta-amyloid)의 형성을 매개하는 BACE-1 (beta-site APP-cleaving enzyme 1)을 효과적으로 저해하므로 알쯔하이머병, 파킨슨병, 루게릭병, 헌팅턴병 및 니만-픽병과 같은 다양한 퇴행성 뇌질환의 예방 및 치료에 유용하게 사용될 수 있다.
Abstract:
A composition comprising a root extract of Saururus chinensis or a compound isolated from the extract is provided to show excellent blood pressure lowering effect through vascular relaxation, thereby being usefully used as a pharmaceutical composition or a health food composition for preventing and treating various cardiovascular diseases caused by hypertension and complications of the hypertension. A pharmaceutical composition for vascular relaxation comprises a compound selected from the group consisting of machilin D, saucerneol D and a mixture thereof or a root extract of Saururus chinensis comprising the same compound as an effective ingredient, wherein the extract is prepared by using an organic solvent selected from the group consisting of ethanol, an aqueous solution of the ethanol, methanol, an aqueous solution of the methanol, butanol. dichloromethane, ethylacetate, hexane and a mixture thereof.