Cited by 358Garlic and Onion StudiesLipid Membrane Structure and BehaviorSulfur Compounds in Biology

The mode of action of allicin: Its ready permeability through phospholipid membranes may contribute to its biological activity

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Miron, Talia, Rabinkov, Aharon, Mirelman, David, Wilchek, Meir, Weiner, Lev·2000·Biochimica et Biophysica Acta (BBA) - Biomembranes

Abstract

Allicin (diallyl thiosulfinate) is the main biologically active component of the freshly crushed garlic extracts. In the present work the ability of allicin to cross through membranes (artificial and biological) was studied. Partition coefficients of allicin in water/octanol, water/hexadecane and water/phospholipids mixtures were determined. Using phospholipid vesicles loaded with hydrophilic thiols (reduced glutathione or 2-nitro-5-thiobenzoate), we observed that allicin freely permeates through phospholipid bilayers and interacts with the SH groups. The reaction rate of allicin with SH containing molecules after crossing the membrane was the same as in solution. Fast diffusion and permeation of allicin across human red blood cell membranes was also demonstrated. Allicin does not induce leakage, fusion or aggregation of membrane. The high permeability of allicin through membranes may greatly enhance the intracellular interaction with thiols.

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Crossref · 10.1016/s0005-2736(99)00174-1

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  • This information is mainly the basis of fungal death.

    “This information is mainly the basis of fungal death19–20.”
  • Allicin is a sulfenic acid thioester and its pharmacological effect is attributed to its antioxidant activity and its interaction with thiol-containing proteins.

    “Allicin (allyl thiosulfinate), is a sulfenic acid thioester and its pharmacological effect is attributed to its antioxidant activity as well as its interaction with thiol-containing proteins [37].”
  • Allinase enzyme, composed of pyridoxal phosphate (PLP), splits alliin and produces ammonium, pyruvate, and allyl sulfenic acid, which are highly reactive and unstable at room temperature, and two molecules combine to form allicin.

    “This enzyme composed of pyridoxal phosphate (PLP) which splits alliin and produces ammonium, pyruvate, and allyl sulfenic acid that are highly reactive and unstable at room temperature, where two molecules were combined to form allicin [37,39].”
  • Allicin is a membrane-permeable compound that can enter cells easily and interact with cellular thiols such as glutathione or cysteine residues in proteins as well as enzymes containing reactive cysteine, and this may be the potential interpretation of allicin's toxicity.

    “Allicin is a membrane-permeable compound that can enter cells easily and interact with cellular thiols such as glutathione or cysteine residues in proteins [37,89,90] as well as enzymes containing reactive cysteine and this may be the potential interpretation of allicin’s toxicity [63].”

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Authors
Miron, T., Rabinkov, A., Mirelman, D., Wilchek, M., & Weiner, L.
Affiliations
Weizmann Institute of Science (IL)
Venue
Biochimica et Biophysica Acta (BBA) - Biomembranes
Publisher
Elsevier BV
Published
2000-01
Volume
1463
Issue
1
Pages
20-30
ISSN
0005-2736 (ISSN-L)
OpenAlex
W2037680251
Cited by
353
References
47
Citations by year
2026: 9 · 2025: 11 · 2024: 12 · 2023: 17 · 2022: 16 · 2021: 28 · 2020: 28 · 2019: 17 · 2018: 16 · 2017: 11 · 2016: 10 · 2015: 16 · 2014: 16 · 2013: 13 · 2012: 18
FWCI
10.05
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Biomembranes (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Garlic and Onion Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Sulfur Compounds in Biology
Keywords
allicin, garlic, membrane permeability, phospholipid bilayers, partition coefficient, reduced glutathione, thiols, mechanism of action
MeSH terms
Cell Membrane Permeability, Disulfides, Electron Spin Resonance Spectroscopy, Erythrocyte Membrane, Garlic, Glutathione, Humans, Kinetics, Liposomes, Membrane Lipids, Nitrobenzoates, Magnetic Resonance Spectroscopy, Permeability, Phospholipids, Plants, Medicinal, Sulfhydryl Compounds, Sulfinic Acids, In Vitro Techniques

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