Results 111 to 120 of about 1,915 (220)

Preparative Separation of Diterpene Lactones and Flavones from Andrographis paniculate Using Off-Line Two-Dimensional High-Speed Counter-Current Chromatography

open access: yesMolecules, 2019
Seven diterpene lactones, andrographolide (1), isoandrographolide (2), neo-andrographolide (3), 14-deoxy-11,12-didehydroandrographolide (4), 14-deoxyandrographiside (5), 14-deoxy-11,12-didehydroandrographiside (6), 3,14-dideoxyandrographolide (10), and ...
Xiaowei Sun   +5 more
doaj   +1 more source

A Morte de Petrônio na Narrativa Tacitiana [PDF]

open access: yes
Este artigo pretende anahsar a construção narrativa elaborada por Tácito, nos Annales, objetivando o estudo detalhado de elementos que possibihtem a possível identificação do personagem tacitiano, Petronio Artbiter Elegantiae, com o autor da obra ...
Gonçalves, Claudiomar R.
core   +1 more source

Development of an efficient method for isolation and purification of bioactive Compounds from panax ginseng and rhodiola rosea using high performance counter current chromatography [PDF]

open access: yes, 2012
This Thesis was submitted for the degree of Master of Philosophy and awarded by Brunel University.Traditional Chinese medicine has developed for several thousands of years and accumulated an abundant amount of human pharmacological information and ...
Li, Yi
core  

Fast preparative separation of flavones from capitula of Eriocaulon ligulatum (Vell.) L.B.Smith (Eriocaulaceae) by High-speed countercurrent chromatography (HSCCC)

open access: yesRevista de Ciências Farmacêuticas Básica e Aplicada, 2005
High-speed countercurrent chromatography (HSCCC) is a leading method for the fast separation of natural products from plants. It was used for the preparative isolation of two flavone monoglucosides present in the capitula of Eriocaulon ligulatum (Vell ...
L.C. Santos   +6 more
doaj  

플라티코딘 D와 효소에 의해 전환된 플라티코딘 D 강화분획물의 지방축척 억제효과 [PDF]

open access: yes, 2019
학위논문 (박사)-- 서울대학교 대학원 : 약학대학 약학과, 2019. 2. 김영식.길경 (Platycodon grandiflorum A. DC)의 유효성분이자 지표성분인 플라티코딘 D는 기존에 항암, 항산화, 항염증 등의 효능이 있는 것으로 보고가 되고 있다. 최근, 플라디코딘 D는 동물모델에서 지질대사 관련 개선능과 항비만 생리활성이 탁월한 것으로 많은 보고가 있었음에도 불구하고, 아직까지 세포수준에서 어떠한 기전으로 항비만 효과가 있는지 명확한 ...
이은정
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