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:
본 발명은 DHNQ(5,8-dihydroxy-1,4-naphthoquinone) 또는 이의 약학적으로 허용가능한 염을 유효성분으로 함유하는 가시박( Sciyos
angulatus L.) 방제용 조성물에 관한 것으로, 구체적으로 본 발명의 따른 DHNQ(5,8-dihydroxy-1,4-naphthoquinone)은 미생물 및 식물의 비오틴 생합성 경로에 관여하여 식물생장에 주요한 역할을 하는 KAPAS(7-keto-8-aminopelargonic acid synthase) 작용을 억제하고, 국내 전 지역 심각한 피해를 야기하고 있는 가시박에 대한 유의적인 제초활성을 나타내므로, 인체의 안전한 천연 제초제의 유효성분으로 유용하게 사용될 수 있다.
Abstract:
PURPOSE: DHNQ(5,8-dihydroxy-1,4-naphthoquinone) is provided to suppress KAPAS(7-keto-8-aminopelargonic acid synthase) which is related to a biotin biosynthesis pathway of microbes and plants, and to significantly remove Sicyos angulatus L. with safety to human body. CONSTITUTION: An herbicidal composition for preventing Sicyos angulatus L. contains DHNQ of chemical formula 1 or a pharmaceutically acceptable salt thereof as an active ingredient. DHNQ is derived from black walnut and suppresses KAPAS activity. A method for controlling Sicyos angulatus L. comprises a step of treating Sicyos angulatus L., a seed thereof, or a habitat thereof with the herbicidal composition.
auriculata ) 유래 플럼바긴(plumbagin)을 유효성분으로 함유하는 제초제 조성물에 관한 것으로, 구체적으로, 천연물 유래 나프토퀴논 화합물이 제초제 효능이 있는지 확인하였으며, 본 발명의 갯지렁이과 식물 플럼바고 아우리쿨라타로부터 유래하는 천연 나프토퀴논 화합물 플럼바긴이 KAPAS 저해 활성이 있고, 식물생장에 중요한 KAPAS를 저해함으로써, 가시박( Sciyos angulatus L.)에 대해 탁월한 방제효과를 보여주고 있으므로, 상기 플럼바긴을 가시박 제초제로 이용할 수 있다.
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: 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.