Record Information
Version1.0
StatusDetected and Quantified
Creation Date2020-12-10 18:50:25 UTC
Update Date2024-04-30 19:33:06 UTC
Metabolite IDMMDBc0000581
Metabolite Identification
Common Name4-Hydroxycinnamic acid
Description4-Hydroxycinnamic acid, also known as p-Coumaric acid, is a coumaric acid in which the hydroxy substituent is located at C-4 of the phenyl ring. It has a role as a plant metabolite. It is a conjugate acid of a 4-coumarate. p-coumaric acid is an organic compound that is a hydroxy derivative of cinnamic acid. There are three isomers of coumaric acid: o-coumaric acid, m-coumaric acid, and p-coumaric acid, that differ by the position of the hydroxy substitution of the phenyl group. p-Coumaric acid is the most abundant isomer of the three in nature. p-Coumaric acid exists in two forms trans-p-coumaric acid and cis-p-coumaric acid. It is a crystalline solid that is slightly soluble in water, but very soluble in ethanol and diethyl ether. 4-Hydroxycinnamic acid belongs to the class of organic compounds known as hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. 4-Hydroxycinnamic acid exists in all living species, ranging from bacteria to humans. Outside of the human body, 4-Hydroxycinnamic acid is found, on average, in the highest concentration within a few different foods, such as pepper (Capsicum frutescens), pineapples, and sunflowers and in a lower concentration in spinachs, kiwis, and sweet oranges. 4-Hydroxycinnamic acid has also been detected, but not quantified in several different foods, such as wild rices, soursops, garden onions, hyssops, and avocado.
Structure
Synonyms
ValueSource
(2E)-3-(4-Hydroxyphenyl)acrylic acidChEBI
(e)-3-(4-Hydroxyphenyl)-2-propenoic acidChEBI
(e)-p-Coumaric acidChEBI
(e)-p-Hydroxycinnamic acidChEBI
4'-HYDROXYCINNAMIC ACIDChEBI
Naringeninic acidChEBI
p-Coumaric acidChEBI
trans-p-Coumaric acidChEBI
trans-p-Coumarinic acidChEBI
trans-p-HydroxycinnamateChEBI
trans-p-Hydroxycinnamic acidChEBI
trans-4-HydroxycinnamateKegg
4-HydroxycinnamateKegg
(2E)-3-(4-Hydroxyphenyl)acrylateGenerator
(e)-3-(4-Hydroxyphenyl)-2-propenoateGenerator
(e)-p-CoumarateGenerator
(e)-p-HydroxycinnamateGenerator
4'-HYDROXYCINNAMateGenerator
NaringeninateGenerator
p-CoumarateGenerator
trans-p-CoumarateGenerator
trans-p-CoumarinateGenerator
4-Coumaric acid, (e)-isomerMeSH
4-Coumaric acid, (Z)-isomerMeSH
4-Coumaric acid, disodium saltMeSH
p-Coumaryl alcoholMeSH
p-Hydroxycinnamic acidMeSH
Para-coumaric acidMeSH
trans-3-(4'-Hydroxyphenyl)-2-propenoic acidMeSH
trans-HPPAMeSH
3-(4-Hydroxyphenyl)-2-propenoateHMDB
3-(4-Hydroxyphenyl)-2-propenoic acidHMDB
3-(4-Hydroxyphenyl)acrylateHMDB
3-(4-Hydroxyphenyl)acrylic acidHMDB
4-CoumarateHMDB
4-Hydroxy cinnamateHMDB
4-Hydroxy cinnamic acidHMDB
4-HydroxyphenylpropenoateHMDB
4-Hydroxyphenylpropenoic acidHMDB
b-[4-Hydroxyphenyl]acrylateHMDB
b-[4-Hydroxyphenyl]acrylic acidHMDB
beta-[4-Hydroxyphenyl]acrylateHMDB
beta-[4-Hydroxyphenyl]acrylic acidHMDB
cis-P-CoumarateHMDB
HydroxycinnamateHMDB
Hydroxycinnamic acidHMDB
P-CumarateHMDB
P-Cumaric acidHMDB
P-HydroxycinnamateHMDB
P-HydroxyphenylacrylateHMDB
P-Hydroxyphenylacrylic acidHMDB
Para coumarateHMDB
Para coumaric acidHMDB
Para-coumarateHMDB
4-Hydroxycinnamic acidChEBI
trans-4-CoumarateGenerator, HMDB
(2E)-3-(4-Hydroxyphenyl)-2-propenoic acidHMDB
(2E)-3-(4-Hydroxyphenyl)prop-2-enoic acidHMDB
(E)-3-(4-Hydroxyphenyl)acrylic acidHMDB
(E)-4-Hydroxycinnamic acidHMDB
4’-Hydroxycinnamic acidHMDB
p-Cumaric acidHMDB
p-Hydroxy-trans-cinnamic acidHMDB
p-Hydroxyphenylacrylic acidHMDB
p-trans-Coumaric acidHMDB
trans-3-(4-Hydroxyphenyl)-2-propenoic acidHMDB
trans-4-Coumaric acidHMDB
β-[4-Hydroxyphenyl]acrylic acidHMDB
Molecular FormulaC9H8O3
Average Mass164.158
Monoisotopic Mass164.047344122
IUPAC Name(2E)-3-(4-hydroxyphenyl)prop-2-enoic acid
Traditional Namecoumaric acid
CAS Registry NumberNot Available
SMILES
OC(=O)\C=C\C1=CC=C(O)C=C1
InChI Identifier
InChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+
InChI KeyNGSWKAQJJWESNS-ZZXKWVIFSA-N