Classification Term: 34

Furoic acids (ontology term: CHEMONTID:0001448)

Organic compounds containing a furoic acid moiety, with a structure characterized by a furan ring bearing a carboxylic acid group at the C2 or C3 carbon atom." []

found 8 associated metabolites at category metabolite taxonomy ontology rank level.

Ancestor: Furoic acid and derivatives

Child Taxonomies: There is no child term of current ontology term.

2-Furoic acid

furan-2-carboxylic acid

C5H4O3 (112.016)


Furoic acid is a metabolite that appears in the urine of workers occupationally exposed to furfural and is a marker of exposure to this compound. Furfural is a heterocyclic aldehyde that is commonly used as a solvent in industry. It is readily absorbed into the body via the lungs and has significant skin absorption. Furfural is an irritant of the eyes, mucous membranes, and skin and is a central nervous system depressant. Furfural as a confirmed animal carcinogen with unknown relevance to humans (It has been suggested that is a substance that produces hepatic cirrhosis). Once in the body, furfural is metabolized rapidly via oxidation to the metabolite furoic acid, which is then conjugated with glycine and excreted in the urine in both free and conjugated forms. (PMID: 3751566, 4630229, 12587683). 2-Furoic acid is a biomarker for the consumption of beer. 2-Furancarboxylic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. https://commonchemistry.cas.org/detail?cas_rn=88-14-2 (retrieved 2024-07-10) (CAS RN: 88-14-2). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0). 2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation[1]. 2-Furoic acid exhibits hypolipidemic effet, lowers both serum cholesterol and serum triglyceride levels in rats[2]. 2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation[1]. 2-Furoic acid exhibits hypolipidemic effet, lowers both serum cholesterol and serum triglyceride levels in rats[2]. 2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation[1]. 2-Furoic acid exhibits hypolipidemic effet, lowers both serum cholesterol and serum triglyceride levels in rats[2].

   

Sumiki's acid

5-(Hydroxymethyl)-2-furancarboxylic acid

C6H6O4 (142.0266)


Sumikis acid is a naturally occurring human metabolite (PMID:949837). Sumikis acid was first identified in the urine of a leukemic patient who was excreting an abnormal amount of its glycine derivative (PMID:5043270). Sumikis acid was found to be excreted by normal subjects after a phenylalanine loading, while heterozygotes for phenylketonuria dont excrete it (instead, they excrete 2-hydroxybenzeneacetic acid) (PMID:4708049). Patients receiving furan-containing sugar solutions i.v. convert 50\\\\% of the 5-hydroxymethyl-2-furfural into Sumikis acid (PMID:4202014). Sumikis acid has been found to be a byproduct of the fungus Aspergillus and probably other species of fungi and yeast as well. Sumikis acid is a naturally occurring human metabolite. (PMID: 949837) Sumikis acid was first identified in the urine of a leukemic patient who was excreting an abnormal amount of its glycine derivative. (PMID: 5043270) 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally. 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally.

   

2,5-Furandicarboxylic acid

Furane-alpha,alpha-dicarboxylic acid

C6H4O5 (156.0059)


2,5-Furandicarboxylic acid is a normal urinary metabolite in humans. (PMID:14708889, 8087979, 2338430, 3711221). Dietary studies show that the furan derivatives or their precursors are of exogenous origin. They are originated from furan derivatives found in food prepared by strong heating. This may explain the absence of 2,5-furandicarboxylic acid in urine of breastfed children, and the absence of these acids in the urine of rats, pigs, cows, oxs, rabbits, and monkeys (PMID 4630229). 2,5-Furandicarboxylic acid is also a microbial metabolite, a product of the oxidation of hydroxymethylfurfural (HMF) by the enzyme furfural/HMF oxidoreductase which is found in the bacterium Cupriavidus basilensis. Cupriavidus basilensis is a gram-negative soil bacterium of the genus Cupriavidus and the family Burkholderiaceae. 2,5-Furandicarboxylic acid increases with the level of fructose consumed (PMID:20194784). 2,5-Furandicarboxylic acid is a normal urinary metabolite in humans. (PMIDs 14708889, 8087979, 2338430, 3711221) 2,5-Furandicarboxylic acid, detected in human urine, is an important renewable biotechnological building block because it serves as an environmentally friendly substitute for terephthalic acid in the production of polyesters[1].

   

3-Furoic acid

furan-3-carboxylic acid

C5H4O3 (112.016)


3-Furoic acid is an organic acid regularly occurring in urine of healthy individuals. (PMID 2338430). 3-Furoic acid is also a compound found in honey and honeydew samples (PMID 11403496), and is a structural analog of nicotinic acid (niacin, a vitamin of the B complex). (PMID 12563315) [HMDB] 3-Furoic acid is an organic acid regularly occurring in urine of healthy individuals. (PMID 2338430). 3-Furoic acid is also a compound found in honey and honeydew samples (PMID 11403496), and is a structural analog of nicotinic acid (niacin, a vitamin of the B complex). (PMID 12563315). 3-Furanoic acid is an endogenous metabolite. 3-Furanoic acid is an endogenous metabolite.

   

5-Methylfuran-2-carboxylic acid

5-methylfuran-2-carboxylic acid

C6H6O3 (126.0317)


5-Methylfuran-2-carboxylic acid belongs to the family of Furoic Acid Derivatives. These are organic compounds containing a furoic acid moiety, whose structure is characterized by a furan ring bearing a carboxylic acid group at the C2 or C3 carbon atom.

   

5-Hydroxy-2-furoic acid

5-hydroxyfuran-2-carboxylic acid

C5H4O4 (128.011)


5-Hydroxy-2-furoic acid belongs to the family of Furoic Acid Derivatives. These are organic compounds containing a furoic acid moiety, whose structure is characterized by a furan ring bearing a carboxylic acid group at the C2 or C3 carbon atom.

   

5-(Phenylethynyl)furan-2-carboxylic acid

5-(2-phenylethynyl)furan-2-carboxylic acid

C13H8O3 (212.0473)


   

5-(3-(4-(2-(4-Fluorophenyl)ethoxy)phenyl)propyl)furan-2-carboxylic acid

5-(3-{4-[2-(4-fluorophenyl)ethoxy]phenyl}propyl)furan-2-carboxylic acid

C22H21FO4 (368.1424)