Medicinal and phytochemical properties of selected herbal plants in Central China and Western Visayas, Philippines

Abstract

This investigation was conducted to evaluate the medicinal and phytochemical properties of four selected herbal plants: <em>Andrographis paniculata, Cassia obtusifolia, Leonurus japonicus</em> and <em>Pueraria lobata</em> found in both Central China and Western Visayas, Philippines. Mixed method research design was employed, the quantitative on herbals' descriptions and phytochemical analysis, while qualitative on interview of traditional healers. The herbals were identified and authenticated by the research team. The phytochemical analyses used the methods: Extraction of plant parts, Thin Layer Chromatography, UV identification and High-Performance Liquid Chromatography. The bioactive compounds diterpenoid dehydroangropholide in <em>A. paniculata</em> supports the claim of local healers to treat stomach ache and diabetes; the terpenoid orange cassia and chrysophanol in <em>C. obtusifolia</em> seeds supports the treatment for ulcer, hepatitis or liver associated ailment, ringworm, scabies and psoriasis; the alkaloid leonurine hydrochloride in <em>L. japonicus</em> leaves supports the healing practices in treating menstrual disorders and fever; and the flavonoid puerarin in <em>P. lobata</em> tubers supports the claim of traditional healers in regulating menstruation, diuresis, fever and promotes blood circulation. Most healing practices in both study areas have scientific explanations.