Results 241 to 250 of about 2,159,130 (277)
Some of the next articles are maybe not open access.
Tetrahedron, 1973
Abstract The structures, relative configurations and precursors of seven pigments isolated from the theaflavin fraction of black tea have been established by synthesis, and by NMR and mass spectrometry. The four principal pigments are the bis-flavan-substituted 1′,2′-dihydroxy-3,4-benzotropolones theaflavin, the corresponding isomeric 3- and 3 ...
P.D. Collier +6 more
openaire +1 more source
Abstract The structures, relative configurations and precursors of seven pigments isolated from the theaflavin fraction of black tea have been established by synthesis, and by NMR and mass spectrometry. The four principal pigments are the bis-flavan-substituted 1′,2′-dihydroxy-3,4-benzotropolones theaflavin, the corresponding isomeric 3- and 3 ...
P.D. Collier +6 more
openaire +1 more source
GREEN TEA, BLACK TEA AND SEMI-FERMENTED TEA
2002Tea is one of the three major non-alcoholic beverages in the world. Tea plant has been cultivated for several thousand years in China. The tea plant Camellia sinensis or Camellia assamica is believed to originate in the mountainous region of southwestern China as many species and endogenously wild tea trees have been discovered in primitive forests in ...
openaire +1 more source
Cancer statistics for African American/Black People 2022
Ca-A Cancer Journal for Clinicians, 2022Rebecca L. Siegel +2 more
exaly
1992
The drying of agricultural crops for preservation is a long practised traditional method of treatment so that they can be stored for subsequent consumption or transported- to distant markets. The tea crop at the moment of harvesting has a high moisture level and as such it could decompose in a relatively short time.
openaire +1 more source
The drying of agricultural crops for preservation is a long practised traditional method of treatment so that they can be stored for subsequent consumption or transported- to distant markets. The tea crop at the moment of harvesting has a high moisture level and as such it could decompose in a relatively short time.
openaire +1 more source
Dynamic changes in the diversity and function of bacterial community during black tea processing
Food Research International, 2022Yi-Qiao Zhao, Sheng-Xiang Chen
exaly