Xao tam phan (Paramignya trimera (Oliv.) Guillaum) is often a Vietnamese traditionally medicinal plant used in the treating numerous cancers. The preparation of Xao tam phan extracts including solvent type and extraction method have significant effects on extraction efficiency, phytochemical profile and biological activity. This research aimed to look into the results of 5 various solvents (water, acetonitrile, methanol, ethyl acetate and hexane) and three different extraction methods (conventional, ultrasound-assisted and microwave-assisted) on phytochemical yield and antioxidant capacity of P. trimera root from Vietnam. The final results indicate that methanol extracted the maximal yield of phytochemicals from P. trimera and exhibited the highest antioxidant capacity, with eleven compounds were identified and quantified. Microwave-assisted extraction produced the maximal phytochemical yields (aside from total flavonoids) and antioxidant capacity, when compared to conventional and ultrasound-assisted extractions. These data reveal that the usage of methanol and microwave-assisted extraction are recommended for extraction of biologically active phytochemicals from P. trimera root for application from the nutraceutical and/or pharmaceutical industries.
Drying methods, solvents and extraction methods greatly affect the phytochemical compounds and biological activity from plant materials. The aims of the study were to determine the end results of different drying methods, various solvents and extraction methods about the phytochemical compounds and antioxidant capacity from Xao tam phan (Paramignya trimera) root obtained from Vietnam. The results established that microwave drying was an effective method in elimination of water with regards to shortest drying time, lowest energy consumption and greatest retention of phytochemical compounds and antioxidant capacity through the P. trimera root while methanol and microwave-assisted extraction were the most effective solvent and method for greatest extraction in the phytochemical compounds and antioxidant capacity in the P. trimera root. The findings out of this study allow retaining the very best amounts of phytochemical compounds and antioxidant capacity through the P. trimera root for potential application from the nutraceutical industry.
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