Abstract：

The review aims to summarize the major and dominant natural antioxidants and their resources from medicinal and herbal plants with antiviral, anti-inflammation and antimicrobial activities. For this review manuscript, online databases, including Web of Science, Scopus, PubMed, and Science Direct, were searched for papers published from 1960 to November, 2021. Search terms consisted of “medicinal

plants”, “traditional Iranian medicine”, “traditional Persian medicine”, “pharmaceutical properties”, “antioxidant activity”, “antiviral activity”, “anti-inflammation”, “antimicrobial” and “antibacterial activities”.

(-)-Epicatechin, Caffeic acid, Gallic acid, Hydroxytyrosol, Kaempferol, and Resveratrol are some of the

most important chemical compounds with antioxidant properties. Rosmarinic acid, Caffeic acid, Carnosol, P-Coumaric acid, Carnosic acid, Luteolin, Apigenin, and Kaempferol are the major chemical compounds with antiviral properties. Curcumin, Colchicine, Resveratrol, Capsaicin, (-)-Epigallocatechin,

Quercetin, Myristicin, and Elmicin are the principal chemical compounds with anti-inflammatory properties. Isoeugenol, Coumarin, Piperonal, Scoparone, Spathulenol, D-Limonene, and Myrcene are the principal chemical compounds with antibacterial properties in traditional Iranian medicine. Persian traditional medicine, or Iranian traditional medicine, is one of the main ancient forms of traditional medicine, which has influenced knowledge regarding other medicinal plants in various countries. It has also been considered one of the most well-known traditional and holistic systems of medicine.

Key Words:

Antioxidant, anti-bacterial, anti-viral, anti-inflammation, anti-microbial, natural products.