STUDIES ON TANNINS FROM BARKS OF PINUS ELLIOTTII AND PINUS YUNNANENSIS

Cheng Congqiu;Feng Huiming;Sun Da wang;Ma Wenxiu(Naming Forestry University)Lai Yeap Foo Herbert Wong

Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 1994, Vol. 18 ›› Issue (01) : 36-38.

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南京林业大学学报（自然科学版）
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Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 1994, Vol. 18 ›› Issue (01) : 36-38. DOI: 10.3969/j.jssn.1000-2006.1994.01.007

STUDIES ON TANNINS FROM BARKS OF PINUS ELLIOTTII AND PINUS YUNNANENSIS

  • Cheng Congqiu;Feng Huiming;Sun Da wang;Ma Wenxiu(Naming Forestry University)Lai Yeap Foo Herbert Wong
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Abstract

Chemical constitution of tannins from domestic barks of Pinus elliottii and Pinus yunnanensis were first studied to be polymeric procyanidins,which are constituted mainly by unitS with 2,3-Cisconfiguration in that of P. elliottil,and of 2,3-trans configuration in that of P.yunnanensis.Molecular weight.Stiasny value and gel time of tannins were also Studied.

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Cheng Congqiu;Feng Huiming;Sun Da wang;Ma Wenxiu(Naming Forestry University)Lai Yeap Foo Herbert Wong. STUDIES ON TANNINS FROM BARKS OF PINUS ELLIOTTII AND PINUS YUNNANENSIS[J]. Journal of Nanjing Forestry University (Natural Sciences Edition）. 1994, 18(01): 36-38 https://doi.org/10.3969/j.jssn.1000-2006.1994.01.007
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