Phytochemical analysis

The purpose of this study was to determine the phytochemical compositions and to evaluate the biological activity of the stem bark of Dialium cochinchinense. The phytochemical analysis showed the presence of steroids, terpenoids, anthraquinones, saponins, and phenolics in the stem bark of D. cochinchinense.

14p vibecca 01-10-2024 0 0   Download

This thesis reports research conducted to: Determine antioxidant capacity of dry and fresh calyxes of Hibiscus sabdariffa; Validate the HPLC method for analysis of the key antioxidant phytochemicals of Hibiscus sabdariffa; Quantify the amounts of key antioxidants in the extracts of Hibiscus sabdariffa calyxes.

130p runordie3 06-07-2022 8 3   Download

The phytochemical analysis and antibacterial and antioxidant activity of Ardisia silvestris extracts were carried out. The bioactive compounds of Ardisia silvestris leaves were extracted with petroleum ether, ethyl acetate, ethanol and water by immersion and microwave method. The DPPH method was used to determine the antioxidant activity of Ardisia silvestris extracts.

8p larachdumlanat129 19-01-2021 21 5   Download