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Purification and characterization of hydroxycinnamoyl D-glucose. Quinate hydroxycinnamoyl transferase in the root of sweet potato, Ipomoea batatas Lam
Journal of Biological Chemistry
We have previously proposed a chlorogenic acid biosynthetic pathway which involves a transesterification reaction between hydroxycinnamoyl D-glucose and D-quinic acid. The proposed pathway was based on tracer experimental results (Kojima, M., and Uritani, I. (1972) Plant Cell Physiol. 13, 311-319). The enzyme that catalyzes the above reaction has been purified 160-fold from sweet potato root (Ipomoea batatas Lam.) and characterized. The purified enzyme yielded one band of 26,000 daltons onpmid:3722170 fatcat:hgincixm2rdspkvq5cfebzv6b4