Recycling of filter tea industry by-products: Application of subcritical water extraction for recovery of bioactive compounds from A. uva-ursi herbal dust
Evaluation of A. uva-ursi herbal dust as raw material for extraction. Improvements in yields of extracted polyphenols and antioxidant activity. Evaluation of subcritical water extraction effects (temperature, time and HCl conc.). Mathematical modeling of A. uva-ursi extraction process—RSM approach. Optimized process for subcritical water extraction of A. uva-ursi herbal dust.