NDLI: Chemical structures of the condensed tannins in the fruits ofDiospyros species

Content Provider	Springer Nature Link
Author	Nakatsubo, Fumiaki Ekita, Kenichi Murakami, Koji Yonemori, Keizo Sugiura, Akira Utsumiya, Naoki Subhadrabandhu, Suranant
Copyright Year	2002
Abstract	The structural variety of the condensed tannins (proanthocyanidins) in the fruits of 16Diospyros species are reported. Eleven species contained condensed tannins mostly consisting of a mixture of catechin (CA) and gallocatechin (GCA) repeating units; the other five species did not. The GCA content in the CA-GCA total varied from 0.3% to 84.6%. The number of esterified gallic acid per one flavan repeating unit (degree of galloylation, DG) ranged from 0.01 to 0.89. The GCA content was found to be proportional to the DG values. Thus, 16Diospyros species tested may be classified into five groups by the analytical data of their condensed tannins. It may be interesting to compare their structural characteristics with those of the condensed tannins in other fruits, leaves, woods, and barks from the viewpoint of their biosynthesis and function in the plants.
Starting Page	414
Ending Page	418
Page Count	5
File Format	PDF
ISSN	14350211
Journal	Journal of Wood Science
Volume Number	48
Issue Number	5
e-ISSN	16114663
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-01-01
Publisher Place	Tokyo
Access Restriction	Subscribed
Subject Keyword	Diospyros species Ebenaceae Persimmon fruit Chemical structure Condensed tannins Wood Science & Technology Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Biomaterials Forestry

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