原春草叶提取物的植物化学、药理及抗菌性能研究

Samima Shathi, F. Aziz, M. Hasan, R. Islam, M. Meher, S. Sarkar, M. Sharif
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引用次数: 0

摘要

由于原春草适合食用叶子和治疗疾病的草药,其生长迅速,因此对评估其抗菌、抗真菌、植物化学筛选和抗氧化活性的事实至关重要。采用冷提取法制备原杜仲叶甲醇乙酸乙酯粗提物。甲醇性原藜提取物可用于植物次生代谢产物的植物化学评价;碳水化合物、生物碱、酚类化合物、类黄酮、单宁、糖苷、类固醇、蛋白质、酸性化合物和皂素使用优选的加工技术。采用琼脂孔扩散法和圆盘扩散法对原藜提取物的抑菌活性进行了研究。采用DPPH法测定原藜提取物的抗氧化活性,测定其清除自由基的能力。植物化学筛选结果显示,植物中存在碳水化合物、生物碱、黄酮类化合物、糖苷类化合物、酚类化合物和单宁,但未发现皂苷、蛋白质、酸性化合物和类固醇。抗菌实验表明,只有乙酸乙酯提取物对几乎所有细菌和真菌(大肠杆菌除外)都有轻微的敏感性,而甲醇提取物则没有任何抗菌性能。在400μg/片的浓度下,乙酸乙酯提取物的平均抑制区为6 ~ 7 mm。抗氧化研究表明,原藜叶乙酸乙酯提取物的IC50值为322.244 μg/ml,而标准抗坏血酸的IC50值为41.683 μg/ml。本实验结果表明,原cumbens是生物碱、黄酮类化合物、单宁的主要来源,具有抗菌、抗氧化的作用。这些结果表明,原丘茴香叶提取物是一种很好的药材或具有较高的草药性质,可能具有很高的治疗价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phytochemical and Pharmacological Evaluation along with Antimicrobial Properties of Gynura Procumbens Leaves Extract
The accentuated growth inside the use of Gynura procumbens go away as suitable for eating leave and herbal medicinal drug to deal with sicknesses makes its miles essential to evaluate facts available on its antibacterial, antifungal, phytochemical screening and antioxidant activities. G. procumbens leaves methanol and ethyl acetate crude extract was prepared via the cold extraction approach. The methanolic G. procumbens extract became used to phytochemical assessments for plant secondary metabolites; carbohydrates, alkaloids, phenolic compounds, flavonoids, tannins, glycosides, steroids, proteins, acidic compounds and saponins using preferred processes techniques. Antibacterial activities of G. procumbens extracts was investigated by using agar well diffusion method and antifungal activities by using the disc-diffusion method. G. procumbens extracts antioxidant activity was assessed via DPPH assay to measure its free radical scavenging capability. Phytochemical screening revealed that presence of carbohydrate, alkaloids, flavonoids, glycosides, phenolic compounds and tannins but saponins, proteins, acidic compounds and steroids were not found. Antimicrobial investigation showed that only ethyl acetate extracts have the mild sensitivity to almost all the bacteria and fungi (except Escherichia coli), whereas methanol extracts did not demonstrate any antimicrobial property. The average zones of inhibition produced by ethyl acetate extracts were found to be 6-7 mm at a concentration of 400μg/disc. Antioxidant study showed that IC50 of ethyl acetate extract of G. procumbens leaves was 322.244 μg/ml whereas the IC50 of standard ascorbic acid was 41.683 μg/ml. From the present experiment it could be concluded that G. Procumbens is the source of alkaloids, flavonoids, tannins and it’s has also antimicrobial, antioxidant properties. These findings imply that G. Procumbens leaves extracts is a good medicinal supply or herbal properties that may have high therapeutic value.
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