| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-17 20:46:12 UTC |
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| Updated at | 2022-03-17 20:46:12 UTC |
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| NP-MRD ID | NP0047801 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Allicin |
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| Description | Allicin, also known as allimin or allitridi, belongs to the class of organic compounds known as thiosulfinic acid esters. These are organic compounds containing an ester of thiosulfinic acid with the general structure RS(=S)OR' (R, R'=alkyl, aryl). Allicin is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Allicin is found, on average, in the highest concentration within soft-necked garlics. Allicin has also been detected, but not quantified in, several different foods, such as triticales, sunflowers, dates, pepper (c. Frutescens), and napa cabbages. This could make allicin a potential biomarker for the consumption of these foods. Allicin was discovered as part of efforts to create thiamine derivatives in the 1950s, mainly in Japan. The compound is not present in garlic unless tissue damage occurs, and is formed by the action of the enzyme alliinase on alliin. Allicin is chiral but occurs naturally only as a racemate. The enzyme alliinase, which contains pyridoxal phosphate (PLP), cleaves alliin, generating allysulfenic acid (CH2CHCH2SOH), pyruvate, and ammonium. Allicin is found in Allium chinense, Allium obliquum and Allium schoenoprasum. Allicin was first documented in 1990 (PMID: 2111084). Its biological activity can be attributed to both its antioxidant activity and its reaction with thiol-containing proteins (PMID: 19105898) (PMID: 20591093) (PMID: 17303073) (PMID: 15911108). |
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| Structure | InChI=1S/C6H10OS2/c1-3-5-8-9(7)6-4-2/h3-4H,1-2,5-6H2 |
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| Synonyms | | Value | Source |
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| 2-Propene-1-sulfinothioic acid S-2-propenyl ester | ChEBI | | Thio-2-propene-1-sulfinic acid S-allyl ester | ChEBI | | 2-Propene-1-sulfinothioate S-2-propenyl ester | Generator | | 2-Propene-1-sulphinothioate S-2-propenyl ester | Generator | | 2-Propene-1-sulphinothioic acid S-2-propenyl ester | Generator | | Thio-2-propene-1-sulfinate S-allyl ester | Generator | | Thio-2-propene-1-sulphinate S-allyl ester | Generator | | Thio-2-propene-1-sulphinic acid S-allyl ester | Generator | | 2-Propene-1-sulfinic acid, thio-, S-allyl ester | HMDB | | 2-Propene-1-sulfinothioic acid, S-2-propenyl ester | HMDB | | 2-Propene-1-sulfinothioic acid, S-2-propenyl ester (9ci) | HMDB | | Allimin | HMDB | | Allitridi | HMDB | | Allylthiosulfinate | HMDB | | Allylthiosulphinic acid allyl ester | HMDB | | Dadso | HMDB | | Diallyl disulfide-oxide | HMDB | | Diallyl thiosulfinate | HMDB | | Diallyldisulfid-S-oxid | HMDB | | S-2-Propenyl 2-propene-1-sulfinothioate, 9ci | HMDB | | S-Allyl 2-propene-1-sulfinothioate | HMDB | | S-Allyl acrylo-1-sulphinothioate | HMDB | | S-Allyl prop-2-ene-1-sulfinothioate | HMDB | | S-Prop-2-en-1-yl prop-2-ene-1-sulfinothioate | HMDB |
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| Chemical Formula | C6H10OS2 |
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| Average Mass | 162.2730 Da |
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| Monoisotopic Mass | 162.01731 Da |
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| IUPAC Name | 3-[(prop-2-ene-1-sulfinyl)sulfanyl]prop-1-ene |
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| Traditional Name | allicin |
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| CAS Registry Number | 539-86-6 |
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| SMILES | C=CCSS(=O)CC=C |
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| InChI Identifier | InChI=1S/C6H10OS2/c1-3-5-8-9(7)6-4-2/h3-4H,1-2,5-6H2 |
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| InChI Key | JDLKFOPOAOFWQN-UHFFFAOYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| Not Available | | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as thiosulfinic acid esters. These are organic compounds containing an ester of thiosulfinic acid with the general structure RS(=S)OR' (R, R'=alkyl, aryl). |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Thiosulfinic acid esters |
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| Sub Class | Not Available |
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| Direct Parent | Thiosulfinic acid esters |
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| Alternative Parents | |
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| Substituents | - Thiosulfinic acid ester
- Allyl sulfur compound
- Sulfenyl compound
- Sulfinyl compound
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Luo DQ, Guo JH, Wang FJ, Jin ZX, Cheng XL, Zhu JC, Peng CQ, Zhang C: Anti-fungal efficacy of polybutylcyanoacrylate nanoparticles of allicin and comparison with pure allicin. J Biomater Sci Polym Ed. 2009;20(1):21-31. doi: 10.1163/156856208X393473. [PubMed:19105898 ]
- Younis F, Mirelman D, Rabinkov A, Rosenthal T: S-allyl-mercapto-captopril: a novel compound in the treatment of Cohen-Rosenthal diabetic hypertensive rats. J Clin Hypertens (Greenwich). 2010 Jun;12(6):451-5. doi: 10.1111/j.1751-7176.2010.00270.x. [PubMed:20591093 ]
- Makheja AN, Bailey JM: Antiplatelet constituents of garlic and onion. Agents Actions. 1990 Mar;29(3-4):360-3. doi: 10.1007/BF01966468. [PubMed:2111084 ]
- Hasan N, Siddiqui MU, Toossi Z, Khan S, Iqbal J, Islam N: Allicin-induced suppression of Mycobacterium tuberculosis 85B mRNA in human monocytes. Biochem Biophys Res Commun. 2007 Apr 6;355(2):471-6. doi: 10.1016/j.bbrc.2007.01.174. Epub 2007 Feb 7. [PubMed:17303073 ]
- Park SY, Cho SJ, Kwon HC, Lee KR, Rhee DK, Pyo S: Caspase-independent cell death by allicin in human epithelial carcinoma cells: involvement of PKA. Cancer Lett. 2005 Jun 16;224(1):123-32. doi: 10.1016/j.canlet.2004.10.009. Epub 2004 Nov 14. [PubMed:15911108 ]
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