Hydroxycinnamic acid
Encyclopedia
Hydroxycinnamic acids are a class of polyphenol
s having a C6-C3 skeleton. These compounds are hydroxy derivatives of cinnamic acid.
In the category of phytochemicals that can be found in food, there are :
Polyphenol
Polyphenols are a structural class of natural, synthetic, and semisynthetic organic chemicals characterized by the presence of large multiples of phenol structural units...
s having a C6-C3 skeleton. These compounds are hydroxy derivatives of cinnamic acid.
In the category of phytochemicals that can be found in food, there are :
- Alpha-cyano-4-hydroxycinnamic acidAlpha-Cyano-4-hydroxycinnamic acidα-Cyano-4-hydroxycinnamic acid, also written as alpha-cyano-4-hydroxycinnamic acid and abbreviated CHCA, is a cinnamic acid derivative and is a member of the phenylpropanoid family. It is used as a matrix for peptides and nucleotides in MALDI mass spectrometry analyses....
- Caffeic acidCaffeic acidCaffeic acid is a hydroxycinnamic acid, a naturally occurring organic compound. This yellow solid consists of both phenolic and acrylic functional groups...
– burdock, hawthorn, artichoke, pear, basil, thyme, oregano, apple - Cichoric acidCichoric acidCichoric acid is a hydroxycinnamic acid, an organic compound of the phenylpropanoid class and occurs in a variety of plant species. It is a derivative of both caffeic acid and tartaric acid....
- Cinnamic acidCinnamic acidCinnamic acid is a white crystalline organic acid, which is slightly soluble in water.It is obtained from oil of cinnamon, or from balsams such as storax. It is also found in shea butter and is the best indication of its environmental history and post-extraction conditions...
– aloe - Chlorogenic acidChlorogenic acidChlorogenic acid is a hydroxycinnamic acid, a member of a family of naturally occurring organic compounds. These are esters of polyphenolic caffeic acid and cyclitol -quinic acid. It is an important biosynthetic intermediate. It also is one of the phenols found in coffee, bamboo Phyllostachys...
– echinacea, strawberries, pineapple, coffee, sunflower, blueberries - Caftaric acidCaftaric acidCaftaric acid is a non-flavanoid that impacts the color of white wine. Many believe this molecule is responsible for the yellowish-gold color seen in some whites wines. Aside from wine, it is abundantly present in raisins....
– grape and wine, mainly trans isomer - Coutaric acidCoutaric acidCoutaric acid is an hydroxycinnamic acid found in wine and grape. It is an ester formed from coumaric acid and tartaric acid....
– grape and wine, both trans and cis isomers - Fertaric acidFertaric acidFertaric acid is a hydroxycinnamic acid found in wine and grape. It is an ester formed from ferulic acid bound to tartaric acid....
– grape and wine, mainly trans isomer - Diferulic acid
- Coumaric acidCoumaric acidCoumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative 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 of the phenyl group...
- CoumarinCoumarinCoumarin is a fragrant chemical compound in the benzopyrone chemical class, found in many plants, notably in high concentration in the tonka bean , vanilla grass , sweet woodruff , mullein , sweet grass , cassia cinnamon and sweet clover...
– citrus fruits, maize - Ferulic acidFerulic acidFerulic acid is a hydroxycinnamic acid, a type of organic compound. It is an abundant phenolic phytochemical found in plant cell wall components such as arabinoxylans as covalent side chains. It is related to trans-cinnamic acid. As a component of lignin, ferulic acid is a precursor in the...
(3-methoxy-4-hydroxycinnamic acid) – oats, rice, artichoke, orange, pineapple, apple, peanut - Sinapinic acidSinapinic acidSinapinic acid, or sinapic acid , is a small naturally occurring hydroxycinnamic acid. It is a member of the phenylpropanoid family. It is a commonly used matrix in MALDI mass spectrometry. It is a useful matrix for a wide variety of peptides and proteins...
(3,5-dimethoxy-4-hydroxycinnamic acid or sinapic acid)