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Xao tam phan (Paramignya trimera (Oliv.) Guillaum) is really 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. These studies aimed to analyze the consequences 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 maximum 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 with conventional and ultrasound-assisted extractions. These data show the application of 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 impact the phytochemical compounds and biological activity from plant materials. The aims on this study could determine the end results of different 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 outcome demonstrated that microwave drying was a highly effective method in elimination of water in terms of shortest drying time, lowest energy consumption as well as retention of phytochemical compounds and antioxidant capacity through the P. trimera root while methanol and microwave-assisted extraction were the most effective solvent and means for greatest extraction from the phytochemical compounds and antioxidant capacity in the P. trimera root. The findings using this study allow retaining the very best numbers of phytochemical compounds and antioxidant capacity from the P. trimera root for potential application within the nutraceutical industry.

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