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The constitution and configuration of the theaflavin pigments of black tea

✍ Scribed by D.T. Coxon; A. Holmes; W.D. Ollis; V.C. Vora

Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
220 KB
Volume
11
Category
Article
ISSN
0040-4039

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✦ Synopsis

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

πŸ“œ SIMILAR VOLUMES

The structure of theaflavin, A polypheno
The structure of theaflavin, A polyphenol of black tea
✍ Y. Takino; A. Ferretti; V. Flanagan; M. Gianturco; M. Vogel πŸ“‚ Article πŸ“… 1965 πŸ› Elsevier Science 🌐 French βš– 278 KB

A crystalline orange-red polyphenol, which has been named theaflavin, has been known for some time to be present in black tea.

The constitution of theaflavin
The constitution of theaflavin
✍ A.G. Brown; C.P. Falshaw; E. Haslam; A. Holmes; W.D. Ollis πŸ“‚ Article πŸ“… 1966 πŸ› Elsevier Science 🌐 French βš– 417 KB

The recent publication1 describing (a) thedetermination of the molecular weight of thkaflavin acetate, (b) the deuterirrm analysis of theaflavin delaeroacetate, and (c) the interpretation of the NMR spectrum of the theaflavinmethanol solvate, makes it desirable for us to report our evidence regardin