老板问为什么不是儿茶素?旋光性怎么判断?这样提问,看来老板不是搞化学的。 : R4 e1 a( f5 H$ M
(?)-Catechin :
: j2 O' B' P4 X, j: |1 H(?)-trans-3,3′,4′,5,7-Pentahydroxyflavane
7 U( m; @ ] P) w(2S,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
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(+)-Catechin:(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
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(?)-Epicatechin :
# L3 N7 @* I. i- O# u9 M! o(?)-cis-3,3′,4′,5,7-Pentahydroxyflavane
8 G- V- J1 G) _ Z# o% j* P5 H
5 h* }& b% [5 O+ R. `8 G T
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(2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol |