摘要: Abstract Experiments in which potato tuber slices were maintained on a tracer amount of [α- 14 C]cinnamic acid and synthetic 3- 0 -cinnamoylquinic (pH adjusted to 6) showed that if this conjugate is free intermediate chlorogenic (3- -caffeoylquinic acid) formation, then the active pool compound very small contained within cell compartment whose membrane relatively permeable phenylalanine cinnamic but not itself. The specific activities -cinnamoyl-, - p -coumaroyl-, acid; -caffeoylshikimic 1- O -caffeoyl-β- d -glucose determined experiment. results similar experiments quinic acid, or together with are reported. isolated conjugates indicate each series caffeoyl derivatives formed by hydroxylation -coumaroyl derivatives. activity data also suggest derived compartments cell.
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