Morphology, Thermal and Antioxidative Properties of Water Extracts from Sonneratiacaseolaris (L.) Engl. Prepared with Freeze Drying and Spray Drying

摘要

ABSTRACT Phenolic compound, such as gallic acid, and two flavonoids, e.g. luteolin and luteolin-7-O-glucoside, are the interesting substances in cork tree (Sonneratia caseolaris (L.) Engl.). Utilization of cork tree has been reported as traditional medicine and food. Generally, herbal plants are employed as fresh plant or drying and processing into dietary supplement. Therefore in this study, extracts from several parts of cork tree were prepared using boiled water to emulate the usage. The dri.