ammonia from natural gas in california in . it also started production of chemical solvents from refinery gases in california during the early s while in it pioneered the production of butadiene, a key raw material for synthetic rubbers. in , production of teepol liquid detergent began at stanlow in...
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egcg is higher in green tea . [ ] catechins constitute about % of the dry mass of a fresh tea leaf, [ ] although total catechin content varies widely depending on species, clonal variation, growing location, season, light variation, and altitude. they are present in nearly all teas made from camellia...