鲜罗勒、萎罗勒和干罗勒叶精油的理化性质及抗氧化活性种植在日惹

IF 0.2 Q4 AGRONOMY
agriTECH Pub Date : 2023-09-30 DOI:10.22146/agritech.72545
Hetty Sri Mulyati, Rini Yanti, Supriyadi Supriyadi
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引用次数: 0

摘要

本研究旨在研究干燥和蒸馏时间对圣罗勒叶精油理化性质和抗氧化活性的影响。对叶片进行不同的干燥处理,得到新鲜的、枯萎的和干燥的样品。利用扫描电子显微镜(SEM)观察了不同处理样品的显微组织。随后,采用水蒸馏法提取精油3,4,5,6小时。测定蒸馏精油的理化性质(比重、折射率、酸值、醇溶解度),并采用气相色谱-质谱法(GCMS)评价其化合物组成。采用DPPH(1,1-二苯基- 2-苦味酰肼)法测定其抗氧化活性。结果表明,鲜叶蒸馏法蒸馏法蒸馏法蒸馏法蒸馏法的提取率最高,为0.62%。其理化性质为:比重0.986 g/ml,折射率1.339,KOH/g酸值1.8 mg,醇溶度1:1。产品主要成分为甲基异丁香酚(20.50%)、甜菜素(15.07%)、丁香酚(13.59%)、锗烯D(14.2%)和丁香烯(7.46%)。抗氧化活性试验结果表明,罗勒挥发油属强效天然抗氧化剂,IC50值为7895 μg/mL。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physicochemical Properties and Antioxidant Activity of Essential Oil from Fresh, Wilted, and Dried Leaves of Holy Basil (Ocimum tenuiflorum L.) Planted in Yogyakarta
This study aimed to determine the effect of drying and distillation time on the physicochemical properties and antioxidant activity of essential oil from holy basil (Ocimum tenuiflorum) leaves. The leaves were subjected to different drying treatments to obtain fresh, wilted, and dried samples. The microstructure tissue of the various treatment samples was observed using a Scanning Electron Microscope (SEM). Subsequently, essential oil was extracted using the water and steam distillation method for 3, 4, 5, and 6 hours. The distilled essential oil was tested for its physicochemical properties (specific gravity, refractive index, acid number, and solubility in alcohol), and the compound composition evaluation was carried out using Gas Chromatography-Mass Spectrometry (GCMS). The antioxidant activity was then determined using the DPPH (1,1-diphenyl- 2-picrylhydrazyl) method. The results showed that the fresh leaves distillation for 5 hours produced the highest oil yield of 0.62%. The physicochemical properties were 0.986 g/ml specific gravity, 1.339 refractive index, 1.8 mg KOH/g acid value, and 1:1 solubility in alcohol. The major component of the product was methyl isoeugenol (20.50%), bete-element (15.07%), eugenol (13.59%), germacrene D (14.2%), and ylangene (7.46). The results of the antioxidant activity test showed that the essential oil of holy basil could be included in the powerful natural antioxidant category, with an IC50 value of 7,895 μg/mL.
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来源期刊
agriTECH
agriTECH AGRONOMY-
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审稿时长
24 weeks
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