Key Laboratory of Tropical Crop Biotechnology, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.
Molecules. 2010 Dec 6;15(12):8904-14. doi: 10.3390/molecules15128904.
The antioxidant activities of the petroleum ether, ethyl acetate, n-BuOH and water extract fractions from Dracaena cambodiana Pierre ex Gagnep were evaluated in this study. The ethyl acetate fraction contained the highest amount of total phenolics and total flavonoids, and showed the greatest DPPH˙, ABTS+ and Superoxide anion radical-scavenging capacities. The DPPH˙, ABTS+ and Superoxide anion radical-scavenging capacities of nine compounds isolated from the ethyl acetate fraction were also evaluated. The results indicated that these compounds contributed to the antioxidant activity of D. cambodiana. Therefore, D. cambodiana and these compounds might be used as natural antioxidants.
本研究评估了龙血树（Dracaena cambodiana Pierre ex Gagnep）的石油醚、乙酸乙酯、正丁醇和水提取物部分的抗氧化活性。乙酸乙酯部分含有最高量的总酚类和总黄酮类化合物，并且显示出最大的 DPPH˙、ABTS+和超氧阴离子自由基清除能力。还评估了从乙酸乙酯部分分离得到的九种化合物的 DPPH˙、ABTS+和超氧阴离子自由基清除能力。结果表明，这些化合物有助于龙血树的抗氧化活性。因此，龙血树及其这些化合物可能被用作天然抗氧化剂。
