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首页> 外文期刊>Medicinal Plants >Phytochemical screening and antioxidant property of shoot extracts of Alpinia nigra (Gaertn.) Burtt (Family - Zingiberaceae)
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Phytochemical screening and antioxidant property of shoot extracts of Alpinia nigra (Gaertn.) Burtt (Family - Zingiberaceae)

机译：黑刺槐（Gaertn。）Burtt（科-姜科）的芽提取物的植物化学筛选和抗氧化性能

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摘要

Aqueous extract of Alpinia nigra (Gaertn.) is a widely used traditional medicine by Tripuri tribe of North-east India against intestinal helminthiasis. Our earlier studies have established the anthelminthic properties of the plant; however, very few literature is available about its antioxidant properties. The present study tries to explore its phytochemical constituents and antioxidant properties. The antioxidant activities of the plant was investigated using 1,1 diphenyl 2 picrylhydrazyl (DPPH), FRAP assay, Ferric reducing power test and hydrogen pero xide (H202) free radical scavenging power tests. Qualitative test for alkaloids, carbohydrate, flavonoids, glycosides, phenols and saponins were also determined along with the quantitative test for total phenolic compounds (TPC). The extracts showed positive results for all the phytochemicals studied. The total phenolic content (TPC) was found to be 40.65±0.43 and 25.66±0.3 mgGAE/g for ethanol-and aqueous extracts, respectively. Good antioxidant and free radical scavenging power have also been seen compared to the standard ascorbic acid. Ethanol extract was found more active compared to the aqueous extract. Therefore, the shoot-extract the Alpinia nigra could be used as a potential source of natural antioxidant and may be a good candidate for plant based pharmaceutical products.
机译：黑刺槐（Gaertn。）的水提物是印度东北部的Tripuri部落广泛使用的抗肠道蠕虫病的传统药物。我们较早的研究已经确定了该植物的驱虫特性。但是，关于其抗氧化性能的文献很少。本研究试图探索其植物化学成分和抗氧化性能。植物的抗氧化活性使用1,1二苯2甲基肼基（DPPH），FRAP测定，铁还原能力测试和过氧化氢（H2O2）自由基清除能力测试进行了研究。还对生物碱，碳水化合物，类黄酮，糖苷，酚和皂苷进行了定性测试，并对总酚类化合物（TPC）进行了定量测试。提取物对所研究的所有植物化学物质均显示阳性结果。乙醇和水提取物的总酚含量（TPC）分别为40.65±0.43和25.66±0.3 mgGAE / g。与标准抗坏血酸相比，还具有良好的抗氧化剂和自由基清除能力。发现乙醇提取物比水性提取物更具活性。因此，茎提取物Alpinia nigra可用作天然抗氧化剂的潜在来源，并且可能是基于植物的药品的良好候选者。

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