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Clonal plain black tea quality parameters responses of hard physical withered leaf to rehydration and fermentation durations

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dc.contributor.author Owuor, P Okinda
dc.contributor.author Obanda, Martin
dc.date.accessioned 2018-01-25T12:49:33Z
dc.date.available 2018-01-25T12:49:33Z
dc.date.issued 2016-04-16
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/273
dc.description.abstract Hard physical withers in tea processing result in reduced plain black tea quality parameters, but improve flavoury black tea quality. Chemical withers with minimal moisture loss improve plain black tea quality parameters. But chemical withered leaf is normally bulky and not flaccid thus reducing maceration rates. Hard physical withers reduce polyphenol oxidase activity, thereby impairing ability of the leaf to produce high amounts of plain black tea quality parameters, especially theaflavins and thearubigins. This study examined if rehydrating hard physical withered leaf could improve its fermentability and influence fermentation duration, and if such changes are cultivar dependent. Rehydrating hard physical withered leaf increased (p≤ 0.05) total theaflavins, thearubigins, brightness, total colour and sensory evaluation of resultant black teas. The patterns of the responses did … en_US
dc.title Clonal plain black tea quality parameters responses of hard physical withered leaf to rehydration and fermentation durations en_US
dc.type Article en_US


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