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Separation and classification of the brown pigments of aqueous infusions of black tea

โœ Scribed by D. J. Millin; D. Swaine; P. L. Dix

Book ID
102922837
Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
711 KB
Volume
20
Category
Article
ISSN
0022-5142

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The constitution and configuration of th
The constitution and configuration of the theaflavin pigments of black tea
โœ D.T. Coxon; A. Holmes; W.D. Ollis; V.C. Vora ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 220 KB

The pigments characteristic of black tea infusions are of two general types' associated with the theaflavin fraction and the thearubigin fraction. The thearubigins have been recognised as polymeric proanthocyanidins . 2 The theaflavin fraction contains a considerable number of compounds which are