Comparative Preservation Methods for Valerian: Effects of Hot‐Air, Infrared, Hybrid, and Shade Drying on Phytochemical Profile, Antioxidant Activity, Essential Oil Composition, and Color Characteristics
Drying is a common preservation method for medicinal plants, crucial for maintaining their quality, and bioactivity. This study investigated the impact of various drying methods on the phytochemical profile, antioxidant activity, essential oil composition, and color of valerian, using a completely randomized design...