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Chemical assessment of quality in tea and its relation to the market over an extended period
Author(s) -
Hilton Peter J.,
PalmerJones Richard W.
Publication year - 1975
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740261109
Subject(s) - theaflavin , period (music) , quality (philosophy) , black tea , agricultural economics , business , economics , food science , chemistry , art , philosophy , epistemology , biochemistry , polyphenol , antioxidant , aesthetics
The relationship between auction selling price and content of total theaflavins and total colour was investigated for teas sold on 25 occasions between June 1971 and December 1973. The extent to which price depended upon theaflavins and total colour varied according to the geographical area of origin of the tea and to the time of sale. While theaflavin content was generally the best explanation of price, total colour measurement added to the explanation on many occasions, particularly with teas from North East India. Possible ways in which seasonal market supply factors might influence the relationship are discussed.