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Influence of region of production on clonal black tea chemical characteristics

Show simple item record Owuor Okinda, P. Nyirenda, Hastings E. Obanda, Martin Mandala, Wilson L. 2020-07-15T07:44:18Z 2020-07-15T07:44:18Z 2008-05-01
dc.description.abstract Production of black tea from the same vegetatively propagated (VP) cultivars, in Kenya and Malawi, shows variations in both chemical composition and quality. Whereas it is possible to produce black teas with similar total theaflavins and individual theaflavins, brightness and total colour levels, black teas from Kenya generally have higher thearubigins, total volatile flavour compounds and flavour index. The black tea fermentation process is much faster in Malawi compared to that in Kenya, as evidenced by faster production of plain black tea chemical parameters, especially theaflavins. Consequently, in Malawi the maximum amount of theaflavins formation takes a shorter fermentation duration than in Kenya. Given ample fermentation duration, fermentation in Kenya produces a similar amount of theaflavins. This makes it necessary to optimise fermentation time, in different geographical regions even when the same … en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Tea, Tea propagation,Vegetative progation, clonal black tea en_US
dc.title Influence of region of production on clonal black tea chemical characteristics en_US
dc.type Article en_US

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