 Phenolic compounds and flavonoids are two types of antioxidants found in many plants. These compounds have been studied extensively for their potential use in treating various diseases, such as cancer, heart disease, and inflammation. Examples of these compounds can be found in many medicinal plants, and they have been shown to possess beneficial properties such as antioxidant activity, antimicrobial activity, and cardiovascular protection. Additionally, phenolic compounds and flavonoids have been used to treat skin conditions caused by exposure to ultraviolet light. This article was offered by Duang Jai Tung Monatham, Aria Thong Boonu, Apennin Ful Boon, and others.