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Z Lebensm Unters Forsch. 1975 Nov 24;159(4):213-8.

[On the phenolic acids of vegetables. II. Hydroxycinnamic acids and hydroxybenzoic acids of fruit and seed vegetables (author's transl)].

[Article in German]

Abstract

Fruits of solanaceae (tomatoes, eggplant, and sweet peppers) almost exclusively contain hydroxycinnamic acid derivatives with caffeic acid dominating. Fruits of cucurbitaceae (cucumbers, melons, pumpkins, and zucchini) are extraordinary, because they show very low concentrations of phenolic acids (up to 10 mg/kg) accumulated in the peels. Peas and broad beans have relatively small contents of phenolic acids too. Their husks show like beans considerable concentrations of hydroxycinnamic acid derivatives with dominating p-coumaric acid. In the group of hydroxybenzoic acids derivatives of salicylic, gentisic and vanillic acid could be determined frequently, but mostly as traces.

PMID:
1224795
[Indexed for MEDLINE]

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