Article ; Online: Insights on the antiradical capacity and mechanism of phytocannabinoids: H-abstraction and electron transfer processes in physiological media and the influence of the acid-base equilibrium.
2023 Volume 208, Page(s) 113608
Abstract: Phytocannabinoids are natural products primarily isolated from Cannabis sativa that exhibit the typical C21 terpenophenolic skeleton. This class of compounds has been shown to be effective in the treatment of various oxidation-related diseases, which has ...
| Abstract | Phytocannabinoids are natural products primarily isolated from Cannabis sativa that exhibit the typical C21 terpenophenolic skeleton. This class of compounds has been shown to be effective in the treatment of various oxidation-related diseases, which has made their antioxidant properties the focus of increasing interest. In the present contribution, the primary antioxidant properties of eight representative phytocannabinoids have been systematically studied against a variety of biologically significant radical species using the density functional theory (DFT) method. The findings demonstrated that phytocannabinoids, in water at physiological pH, exhibit excellent radical scavenging capacity, mainly exerted by the single electron transfer (SET) process from the deprotonated state. In contrast, phytocannabinoids are moderate radical scavengers in non-polar environment via the formal hydrogen atom transfer (fHAT) process. Among the compounds examined, cannabichromene (CBC) and cannabifuran (CBF) had the greatest free radical scavenging capacity in water, surpassing even common antioxidants like BHT and Trolox. CBF is expected to have potent antiradical action toward peroxyl radicals, alkoxy radicals, and nitrogen dioxide in water at physiological pH. These results provide supporting evidence that phytocannabinoids may be useful in scavenging harmful free radicals in physiological environments. |
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| MeSH term(s) | Antioxidants/chemistry ; Free Radical Scavengers/chemistry ; Acid-Base Equilibrium ; Electrons ; Free Radicals/chemistry ; Water/chemistry |
| Chemical Substances | Antioxidants ; Free Radical Scavengers ; Free Radicals ; Water (059QF0KO0R) |
| Language | English |
| Publishing date | 2023-02-02 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 208884-8 |
| ISSN | 1873-3700 ; 0031-9422 |
| ISSN (online) | 1873-3700 |
| ISSN | 0031-9422 |
| DOI | 10.1016/j.phytochem.2023.113608 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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