Anh TT, Sil NT, Tien LT, et al. Development and Validation of an HPLC/PDA Methodology for Assessing the Quality of Folium Perilla Frutescens under Diverse Soil Conditions and Growth Stages Based on the Bioactive Compound Rosmarinic Acid. TJNPR. 2024;8(7):7891-7897. doi:10.26538/tjnpr/v8i7.36