Gourt Home::Gourt :: Coumaric acid
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| Other names | para-coumaric acid 4-hydroxycinnamic aid β-(4-hydroxyphenyl)acrylic acid |
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| Molecular mass | } g/mol |
| CAS number | * |
| Melting point | } °C |
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Coumaric acids are organic compounds that are hydroxy derivatives of cinnamic acid. There are three isomers, o-coumaric acid, m-coumaric acid, and p-coumaric acid, that differ by the position of the hydroxy substitution. p-Coumaric acid is the most abundant isomer in nature.
p-Coumaric acid can be found in a wide variety of edible plants such as peanuts, tomatoes, carrots, and garlic. It is a crystalline solid that is slightly soluble in water, but well soluble in ethanol and diethyl ether.
p-Coumaric acid is an antioxidant and is believed to reduce the risk of stomach cancer Antioxidant and antigenotoxic effects of plant cell wall hydroxycinnamic acids in cultured HT-29 cells. Ferguson Lynnette R; Zhu Shuo-tun; Harris Philip J. Molecular Nutrition & Food Research (2005), 49(6), 585-93. by reducing the formation of carcinogenic nitrosamines. "Reaction of p-hydroxycinnamic acid derivatives with nitrite and its relevance to nitrosamine formation. Kikugawa, Kiyomi; Hakamada, Tomoko; Hasunuma, Makiko; Kurechi, Tsutao. Journal of Agricultural and Food Chemistry (1983), 31(4), 780-5.
See also
References
"Coumaric acid"