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Xao tam phan (Paramignya trimera (Oliv.) Guillaum) is often a Vietnamese traditionally medicinal plant used in the treatment of 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 study aimed to analyze 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 results indicate that methanol extracted the maximal yield of phytochemicals from P. trimera and exhibited the best antioxidant capacity, with eleven compounds were identified and quantified. Microwave-assisted extraction produced the maximal phytochemical yields (with the exception of total flavonoids) and antioxidant capacity, when compared to conventional and ultrasound-assisted extractions. These data reveal that using methanol and microwave-assisted extraction are suggested 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 get a new phytochemical compounds and biological activity from plant materials. The aims of the study would determine the consequences of numerous drying methods, various solvents and extraction methods for the phytochemical compounds and antioxidant capacity from Xao tam phan (Paramignya trimera) root obtained from Vietnam. The results indicated that microwave drying was a highly effective method in eliminating water regarding shortest drying time, lowest energy consumption and greatest retention of phytochemical compounds and antioxidant capacity from your P. trimera root while methanol and microwave-assisted extraction were the very best solvent and means for greatest extraction of the phytochemical compounds and antioxidant capacity in the P. trimera root. The findings using this study allow retaining the greatest amounts of phytochemical compounds and antioxidant capacity in the P. trimera root for potential application from the nutraceutical industry.

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