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Basic information of Caffeic Acid
What is Caffeic Acid:
Synonyms: 3,4-Dihydroxycinnamic acid; 2-Propenoic acid, 3-(3,4-dihydroxyphenyl); 3,4-Dihydroxybenzeneacrylic acid;3-(3,4-Dihydroxyphenyl)-2-propenoic acid;4-(2',Carboxyvinyl)-1,2-dihydroxybenzene Molecular formula: C9H8O4 Molecular weight: 180.16 CAS No.: 331-39-5 Melt Point: 194
Caffeic acid and its derivative caffeic acid phenethyl ester (CAPE) are produced in many plants including: pears, basil, thyme, verbena, tarragon, oregano, wood betony, burning bush, turmeric, dandelion, yarrow, horsetail, rosemary, hawthorn and coffee.
The amount of caffeic acid is strongly dependent on the plant species.
Both caffeic acid and chlorogenic acid have been shown to be absorbed in humans. Caffeic acid absorption is hampered when it is esterified with quinic acid to form chlorogenic acid.
In laboratory experiments, colonies of a nut tree mould were grown on extracts of walnut and pistachio. Next, fungal colonies were exposed to three compounds thought to be antioxidants: gallic acid, which has aflatoxin-combating impacts in walnuts, and chlorogenic acid and caffeic acid.
Caffeic acid outperformed the other antioxidants, reducing aflatoxin production by more than 95 percent. The studies are the first to show that oxidative stress that would otherwise trigger or enhance Aspergillus flavus aflatoxin production can be stymied by caffeic acid.
This opens the door to using natural anti-fungicide methods by supplementing trees with antioxidants.
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