Abstract
Protein preparations from cotyledons of Raphanus sativus transfer the sinapoyl moiety of 1 -sinapoylglucose to L-malate to form sinapoyl-L-malate. To our knowledge this is the first time that this type of reaction has been found to be involved in phenylpropanoid depside formation. Most acylation reactions have so far been demonstrated to depend on acyl-CoAs and only one example is known describing 1-O-acyl sugar derivatives as acyl donors.

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