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Sinapinic acid

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Sinapinic acid
Sinapinic acid
Names
Preferred IUPAC name (2E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)prop-2-enoic acid
Other names Sinapinic acid
Sinapic acid
3,5-Dimethoxy-4-hydroxycinnamic acid
4-Hydroxy-3,5-dimethoxycinnamic acid
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C11H12O5/c1-15-8-5-7(3-4-10(12)13)6-9(16-2)11(8)14/h3-6,14H,1-2H3,(H,12,13)/b4-3+Key: PCMORTLOPMLEFB-ONEGZZNKSA-N
  • InChI=1/C11H12O5/c1-15-8-5-7(3-4-10(12)13)6-9(16-2)11(8)14/h3-6,14H,1-2H3,(H,12,13)/b4-3+Key: PCMORTLOPMLEFB-ONEGZZNKBS
SMILES
  • COc1cc(cc(c1O)OC)/C=C/C(=O)O
Properties
Chemical formula C11H12O5
Molar mass 224.21 g/mol
Melting point 203 to 205 °C (397 to 401 °F; 476 to 478 K) (decomposes)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Sinapinic acid, or sinapic acid (Sinapine - Origin: L. Sinapi, sinapis, mustard, Gr., cf. F. Sinapine.), 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. It serves well as a matrix for MALDI due to its ability to absorb laser radiation and to also donate protons (H) to the analyte of interest.

Sinapic acid can form dimers with itself (one structure) and ferulic acid (three different structures) in cereal cell walls and therefore may have a similar influence on cell-wall structure to that of the diferulic acids.

Sinapine is an alkaloidal amine found in black mustard seeds. It is considered a choline ester of sinapinic acid.

Natural occurrences

Sinapinic acid can be found in wine, vinegar, and black plums.

Metabolism

Sinapate 1-glucosyltransferase is an enzyme that uses UDP-glucose and sinapate to produce UDP and 1-sinapoyl-D-glucose.

Sinapoylglucose—malate O-sinapoyltransferase is an enzyme that uses 1-O-sinapoyl-beta-D-glucose and (S)-malate to produce D-glucose and sinapoyl-(S)-malate.

Related compounds

Canolol is a phenolic compound found in crude canola oil. It is produced by decarboxylation of sinapic acid during canola seed roasting.

See also

References

  1. Beavis RC, Chait BT (1989). "Matrix-assisted laser-desorption mass spectrometry using 355 nm radiation". Rapid Commun. Mass Spectrom. 3 (12): 436–9. Bibcode:1989RCMS....3..436B. doi:10.1002/rcm.1290031208. PMID 2520224.
  2. Beavis RC, Chait BT (1989). "Cinnamic acid derivatives as matrices for ultraviolet laser desorption mass spectrometry of proteins". Rapid Commun. Mass Spectrom. 3 (12): 432–5. Bibcode:1989RCMS....3..432B. doi:10.1002/rcm.1290031207. PMID 2520223.
  3. Bunzel M, Ralph J, Kim H, Lu F, Ralph SA, Marita JM, Hatfield RD, Steinhart H (2003). "Sinapate dehydrodimers and sinapate-ferulate heterodimers in cereal dietary fibre". J. Agric. Food Chem. 51 (5): 1427–1434. doi:10.1021/jf020910v. PMID 12590493.
  4. Tzagoloff A (1963). "Metabolism of Sinapine in Mustard Plants. I. Degradation of Sinapine into Sinapic Acid & Choline". Plant Physiology. 38 (2): 202–206. doi:10.1104/pp.38.2.202. PMC 549906. PMID 16655775.
  5. Comparison of Phenolic Acids and Flavan-3-ols During Wine Fermentation of Grapes with Different Harvest Times. Rong-Rong Tian, Qiu-Hong Pan, Ji-Cheng Zhan, Jing-Ming Li, Si-Bao Wan, Qing-Hua Zhang and Wei-Dong Huang, Molecules, 2009, 14, pages 827-838, doi:10.3390/molecules14020827
  6. Gávez MC, Barroso CG, Péez-Bustamante JA (1994). "Analysis of polyphenolic compounds of different vinegar samples". Zeitschrift für Lebensmittel-Untersuchung und -Forschung. 199: 29–31. doi:10.1007/BF01192948. S2CID 91784893.
  7. Jawad M, Ali M, Qasim S, Akbar A, Khan NA, Sadiq MB (2022-08-02). "Determination of Phenolic Compounds and Bioactive Potential of Plum (Prunus salicina) Peel Extract Obtained by Ultrasound-Assisted Extraction". BioMed Research International. 2022: 7787958. doi:10.1155/2022/7787958. ISSN 2314-6133. PMC 9433295. PMID 36060132.
  8. Antioxidant canolol production from a renewable feedstock via an engineered decarboxylase. Krista L. Morley, Stephan Grosse, Hannes Leischa and Peter C. K. Lau, Green Chem., 2013,n15, pages 3312-3317, doi:10.1039/C3GC40748A
Types of hydroxycinnamic acids
Aglycones
Precursor
Monohydroxycinnamic acids
(Coumaric acids)
Dihydroxycinnamic acids
Trihydroxycinnamic acids
O-methylated forms
others
Esters
glycoside-likes
Esters of
caffeic acid
with cyclitols
esters of
quinic acid
esters of
shikimic acid
Glycosides
Tartaric acid esters
Other esters
with caffeic acid
Caffeoyl phenylethanoid
glycoside (CPG)
Oligomeric forms
Dimers
Trimers
Tetramers
Conjugates with
coenzyme A (CoA)
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