Tannins and related compounds from the bark of Anogeissus acuminata Guill. et. Perr. var. lanceolata Wall. ex. Clarke

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Title:	Tannins and related compounds from the bark of Anogeissus acuminata Guill. et. Perr. var. lanceolata Wall. ex. Clarke
Authors:	Chiung-Yun Chang(張瓊云) Morimodo Sadoshi(森元聰) Chien-Ju Lin(林千如) Chun-Ching Lin(林俊清) Ta-Chen Lin(林大楨)
Contributors:	Department of Dental Technology and Materials Science,Central Taiwan University of Science and Technology Department of Pharmaceutical sciences,Kyushu University Graduate Institute of Medical Sciences,Taipei Medical University Department of Optometry,Central Taiwan University of Science and Technology Graduate Institute of Natural Products,Kaohsiung Medical University Institute of Pharmaceutical sciences and Technology, Central Taiwan University of Science and Technology
Date:	2015-11-14
Issue Date:	2018-03-27 09:34:09 (UTC+8)
Abstract:	Combretaceae plants are well known as rich sources of tannins and related compounds. Anogeissus is a common plant in the tropic area of Africa, Saudi Arabia, Republic of India and Asia. Many species of this family provides important sources of tannins and related compounds, and also as dyeing agents. Anogeissus acuminate Guill. et. Perr. var. lanceolate Wall. ex. Clarke is a member of the Combretaceae family. It is a large woody evergreen plant. There is also growing in the Thailand, Cambodia, Vietnam, Myanmar, Lao People’s Democratic Republic and Southern China. Our recent study had resulted in the isolation of tannins and related compounds from the bark of the plant gathered in Kunming, Yunnan Province, China. The bark of Anogeissus acuminate Guill. et. Perr. var. lanceolate Wall. ex. Clarke was extracted with 60% aqueous acetone at room temperature. Five tannins and related compounds were isolated by chromatography from the extracts. Their structures were elucidated on the basis of spectroscopic methods and chemical evidence. The constituents are chiefly about Vescalagin carboxylic acid (1), Castamallinin (2), Castalin (3), Acutissimin C (4) , Acutissimin A (5). We will temporarily report their chemical structures, other correlative experiments of biological activities are also being carried on.
Relation:	2015台灣藥學年會暨學術研討會，起迄日：2015/11/14，地點：嘉南藥理大學
Appears in Collections:	[Pharmacy and Science] 2015 Annual symposium of the pharmaceutical society of Taiwan

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