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Estimation of the market value of Central African tea by theaflavin analysis

โœ Scribed by P. J. Hilton; R. T. Ellis

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
357 KB
Volume
23
Category
Article
ISSN
0022-5142

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โœฆ Synopsis

Abstract

The price of plain and medium quality teas sold on the London auction on two separate occasions was closely correlated to their theaflavin content. An equation including theaflavin content and the colour of the tea liquor was derived, and explained 60% of the variation in market price at any one time. A very close agreement was found between theaflavin content and a broker's valuation. It is suggested that the results justify the use of theaflavin analysis as an objective assessment of tea quality in research.

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Storage deterioration in Central African
Storage deterioration in Central African tea: The effect of some production variables on theaflavin degradation
โœ John B. Cloughley ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 382 KB ๐Ÿ‘ 1 views

## Abstract Different tea clones varied markedly in both rate and extent of theaflavin (TF) loss during storage. Teas manufactured and stored during the hot and humid main production season deteriorated more rapidly with respect to TF content than those produced and stored during the milder conditi