Phenolic acid
Phenolic acids or phenolcarboxylic acids[citation needed] are phenolic compounds and types of aromatic acid compounds. Included in that class are substances containing a phenolic ring and an organic carboxylic acid function (C6-C1 skeleton). Two important naturally occurring types of phenolic acids are hydroxybenzoic acids and hydroxycinnamic acids, which are derived from non-phenolic molecules of benzoic and cinnamic acid, respectively.[1]
Occurrences
[edit | edit source]Phenolic acids can be found in many plant species. Their content in dried fruits can be high.
Natural phenols in horse grams (Macrotyloma uniflorum) are mostly phenolic acids, namely 3,4-dihydroxy benzoic, p-hydroxy benzoic, vanillic, caffeic, p-coumaric, ferulic, syringic, and sinapinic acids.[citation needed]
Phenolic acids can be found in several mushroom-forming species of basidiomycetes.[2] It is also a part of the humic substances, which are the major organic constituents of soil humus.[citation needed]
Many phenolic acids can be found in human urine.[3]
Chemistry
[edit | edit source]Immobilized Candida antarctica lipase can be used to catalyze the direct acetylation of flavonoids with phenolic acids.[4]
See also
[edit | edit source]References
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