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Lookup NU author(s): Diky Ramdani,
Dr Abdul Chaudhry,
Emeritus Professor Chris Seal
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© 2018 Author(s). We used HPLC to examine the bioactive compounds such as alkaloids and polyphenols in green and black tea powders and their use as potential additives in ruminant diets. Caffeine was the highest alkaloid in both green and black teas. Green tea had significantly higher concentrations of alkaloids and catechins but lower theaflavins than black tea. Epigallocatechin gallate, epicatechin gallate and epigallocatechin were the major catechins in green tea while theaflavin-3, 3'-digallate and theaflavin-3-gallate were the major theaflavins in black tea. Tea powders in ruminant diets decreased in vitro rumen ammonia and methane production without affecting volatile fatty acid profiles and the degradability of the diets. The tea powders containing variable amounts of alkaloids, catechins and theaflavins can potentially be used to decrease rumen ammonia and methane productions without any detrimental effect on rumen functions in vitro and perhaps ruminant productive efficiency.
Author(s): Ramdani D, Chaudhry AS, Seal CJ
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: The 1st International Conference and Exhibition on Powder Technology Indonesia (ICePTi) 2017
Year of Conference: 2018
Online publication date: 09/02/2018
Acceptance date: 02/04/2016
Publisher: American Institute of Physics Inc.
Library holdings: Search Newcastle University Library for this item
Series Title: AIP Conference Proceedings