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Chinchona Alkaloid from Dendrosenecio kilimanjari subsp. cottonii
(Georg Thieme Verlag Stuttgart· New York, 1997-02)
Investigation of the Tanzanian Dendrosenecio kilimanjari subsp. cottonii resulted in the isolation of the cinchona alkaloid, cinchonidine (2). Conversion of cinchonidine to deoxy-cinchonidine was achieved in high yield ...
Flavanol composition and caffeine content of green leaf as quality potential indicators of Kenyan black teas
(1997)
The Ñavanol composition and ca† eine content of green tea leaf, black tea quality
parameters of theaÑavins, thearubigins, liquor brightness and total colour varied more
among clones than with time of the year. In green ...
Flavanol Composition and Caffeine Content of Green Leaf as Quality Potential Indicators of Kenyan Black Teas
(1997)
The Ñavanol composition and ca†eine content of green tea leaf, black
tea quality parameters of theaÑavins, thearubigins, liquor brightness and total
colour varied more among clones than with time of the year. In green ...