Development of a Natural Preservative from Chestnut Flowers: Ultrasound-Assisted Extraction Optimization and Functionality Assessment oleh Ikbel ben Alaya, Eliana Pereira, Maria Inês Dias, José Pinela, Ricardo C. Calhelha, Marina Soković, Marina Kostić, Miguel A. Prieto, Faten Essid, Cristina Caleja, Isabel C. F. R. Ferreira, Lillian Barros