Use of gamma radiation for the antioxidant improvement of saffron [Crocus sativus] petal extract

IF 1.4 3区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
Marzieh Heidarieh, Mahnoosh Parsaeimehr, Najmeh Sheikhzadeh
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引用次数: 0

Abstract

Abstract This in vitro study was conducted to evaluate the impact of gamma-irradiation on the antioxidant activity of the methanolic extracts of Crocus sativus petals. After gamma-irradiation at 5, 10, and 35 kGy doses, Folin-Ciocalteu , aluminum chloride colorimetric methods, Fourier transform infrared spectroscopy (FTIR), and high performance liquid chromatography (HPLC) techniques were deployed to analyze the irradiated and non-irradiated extracts. The obtained results were indicative of boosted levels of phenolic and total flavonoids compounds in methanolic extracts irradiated at 5 and 10 kGy. Results of the HPLC method also revealed that gamma-irradiation, especially at 5 kGy, could increase the quantity of certain polyphenols, including chlorogenic acid, epicatechin caffeic acid, and thioxanthene, in the saffron extract. In contrast, gamma-irradiation at 35 kGy exerted certain adverse effects on polyphenols contents. In conclusion, gamma-irradiation, especially at 5 kGy, could enhance the antioxidant potential of the methanolic extract of saffron petals.
使用伽玛射线提高藏红花花瓣提取物的抗氧化性
摘要本实验旨在研究γ辐照对藏红花花瓣甲醇提取物抗氧化活性的影响。在5、10和35 kGy剂量的γ辐照后,采用Folin-Ciocalteu、氯化铝比色法、傅里叶变换红外光谱(FTIR)和高效液相色谱(HPLC)技术对辐照和未辐照提取物进行分析。得到的结果表明,在5和10 kGy辐照下,甲醇提取物中酚类和总黄酮化合物的水平提高。HPLC法还发现,γ辐照,特别是5 kGy辐照,可以增加藏红花提取物中绿原酸、表儿茶素、咖啡酸和硫代蒽等多酚类物质的含量。相比之下,35 kGy的γ辐照对多酚含量有一定的不利影响。综上所述,γ辐照,尤其是5 kGy辐照,可以增强藏红花花瓣甲醇提取物的抗氧化能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Radiochimica Acta
Radiochimica Acta 化学-核科学技术
CiteScore
2.90
自引率
16.70%
发文量
78
审稿时长
6 months
期刊介绍: Radiochimica Acta publishes manuscripts encompassing chemical aspects of nuclear science and technology.
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