Abstract:
본 발명은 도라지 막분리 추출물 또는 플라티코시드 E를 유효성분으로 함유하는 아토피 피부염의 예방 또는 치료용 약학적 조성물에 관한 것으로, 본 발명에 따른 도라지 막분리 추출물 또는 플라티코시드 E는 아토피 증상을 완화시킬 뿐만 아니라, 염증세포 침윤, 괴사 딱지의 발생, 조직의 두께 및 비만세포 수를 감소시키고, 혈중 IgE 함량 및 IL-4 함량을 용량의존적으로 감소시킴으로써 아토피 피부염을 예방 또는 치료하는데 유용하게 사용할 수 있다.
Abstract:
PURPOSE: A pharmaceutical composition containing Paeonia lactiflora seed extract, fraction thereof, or compound isolated from the same is provided to suppress BACE-1 activity and to treat and prevent neurodegenerative diseases. CONSTITUTION: A pharmaceutical composition for preventing or treating neurodegenerative diseases contains Paeonia lactiflora seed extract as an active ingredient. The neurodegenerative diseases include Alzheimer's dieses, Parkinsons's disease, progressive supranuclear palsy. The extract is prepared using water, alcohol of C1-C4, or mixture solvent thereof. The pharmaceutical composition contains Paeonia lactiflora seed fraction as an active ingredient. The pharmaceutical composition also contains compounds as an active ingredient. The method for preparing the compounds comprises: a step of adding water, C1-C3 alcohol, or mixture thereof to the Paeonia lactiflora seeds to prepare Paeonia lactiflora seed extract; a step of fractioning the extract with water, dichloromethane, and ethyl acetate to prepare a fraction; a step of performing silicagel column chromatography of the fraction.
Abstract:
PURPOSE: A composition containing Plumbagin as an active ingredient for preventing Sicyos angulatus is provided to suppress KAPAS(7-keto-8-aminopelargonic acid synthase) which is important for plant growth. CONSTITUTION: A herbicidal composition for preventing Sicyos angulatus contains Plumbagin as an active ingredient. Plumbagin is derived from Plumbago auriculata and is denoted by chemical formula 1. Plumbagin suppresses KAPAS activity by being treated in a concentration of 500-2,500 ug/ml. A method for eliminating Sicyos angulatus comprises a step of treating Sicyos angulatus, seeds thereof, or a habitat thereof with the herbicidal composition.
Abstract:
PURPOSE: An anticancer drug composition including resveratrol derivative compound separated from grape stem shell is provided to prevent and treat all kinds of cancers including lung cancer, ovarian cancer, melanoma, central nervous system tumor, colon carcinoma, and leukemia. CONSTITUTION: An anticancer drug composition includes vitisinol C, vitisinol E, cis-vitisin A, vitisin B, vitisin C, a pharmaceutically acceptable salt and isomer or a mixture thererof, and grape stem shell extract including thereof as an active ingredient. The grape stem shell extract is obtained by extracting methanol, methanol aqueous solution, ethanol, ethanol aqueous solution, butanol, dichloromethane, ethyl acetate or a mixture thereof. The cancer is lung cancer, ovarian cancer, melanoma or colon carcinoma. A health enhancement food having cancer cell growth inhibition efficacy contains vitisinol C, vitisinol E, cis-viticin A, viticin B, viticin C, pharmaceutically acceptable salt, isomer or a mixture thereof, and grapes stem shell extract including the same. The food is in beverage form. The grape stem shell extract is obtained by the following steps: extracting the grape stem shell by methanol and suspending the obtained extract in distilled water; partitioning thereof by dichloromethane; and extracting the obtained water layer by ethyl acetate.
Abstract:
PURPOSE: A method for preparing crude saponin composition with improved purity and enhanced effective saponin content is provided. CONSTITUTION: A method for preparing crude saponin composition with improved purity and enhanced effective saponin content from platycodon grandiflorum or extract thereof comprises: a step of extracting platycodon grandiflorum using distilled water, low alcohol of C1-C3, ethyl acetate, hexane, dichloromethane or mixture solvent thereof; a step of dissolving the extract in a distilled water and adsorbing saponin ingredient; a step of eluting the adsorbed saponin with ethanol or methanol solution to obtain saponin; and a step of purifying saponin using an organic solvent.
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:
본 발명은 (4-하이드록시-3-메톡시페닐)부테논 유도체 및 이의 약학적으로 허용가능한 염을 유효성분으로 함유하는 천식 예방 또는 치료용 약학적 조성물에 관한 것이다. 본 발명에 의한 (4-하이드록시-3-메톡시페닐)부테논 유도체는 생체외 실험( in
vitro )에서 대식세포와 결합력이 우수하고, 생체내실험( in vivo )에서 천식 발생의 원인으로 문제가 되는 기관지 내 염증세포 침윤을 억제할 뿐만 아니라, 폐에서 Th2 사이토카인의 발현을 억제하고, 혈청과 기관지 폐포 세척액 내의 면역글로블린 E(IgE) 생성을 억제하는 효과가 우수하므로 천식의 예방, 치료용 약학적 조성물 또는 개선용 건강식품 조성물로 유용하게 사용될 수 있다.