AcceptcdJu ] y 23 , 2011 ) tea catechins

Ab$tract Teadenols A and B wcre biosynthetically produced in the autoclaved solution ofO-epigallocatechin 3-O-gallatc (EGCG) [mixture of EGCG and O-ga][ocatechin 3-O-gallate (GCG)] which was incubated with Aspergillus sp, (FARM AP-212RO), A, awamori (NRIB-2061) and A. kawachii (1FO-4308), This result demonstrated that teadenols detccted in various fermellted tca (Cameilia sinensis) products are originated from tea catechins (EGCG and GCG) in the materials. The analytica] method using HPLC and HPLC-QTOFMS system was usefu1 for the identification o'ftcadenols in the samples,