共查询到18条相似文献,搜索用时 65 毫秒
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山苍子及其油的蒸馏技术 总被引:3,自引:0,他引:3
由于雨量充沛,气侯温和,土质肥沃,无霜期长,皖南黄山林区特产的山苍子油,具有柠檬酸含量高,油质好的特点,是高级香精、医药及多种化工品生产的珍贵原料,年产量达10万公斤,是安徽省山苍子油的主要产区,深受国内外市场欢迎,无论产量质量,都是全国同类产品中的佼佼者。山苍子属樟科雌雄异株的落叶小乔木。树叶揉碎后香味浓郁,故农民多称为“香叶树”。每年夏末果实成熟时孕蕊,次年2月下旬黄花盛开。据观察记载,山苍子花期为50天左右,5月中旬落花挂果。前后经过幼果期 相似文献
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山苍子是我国特有的香料植物,资源量主要分布于我国湖南、广西和贵州等省份,资源量丰富,但是目前利用率仅为5%左右,其余组分主要以丢弃为主,造成资源的极大浪费。本研究创新引入亚临界工艺进行山苍子核仁油的制取,得出最佳操作因素组合为含水率6%,温度50℃,萃取时间45 min,最佳工艺条件下萃取率大于95%。通过对山苍子核仁油的脂肪酸分析,可知山苍子核仁油主要成分为月桂酸,占53.3%。可见月桂酸是用途广泛的一种工业原料,经济价值较高,因此提取山苍子核仁油具有很好的经济效益和市场前景,本研究可为亚临界工艺在山苍子制油领域的推广应用提供坚实的理论和技术支撑。 相似文献
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山苍子油的功能及应用 总被引:4,自引:0,他引:4
山苍子是我国特有的芳香油植物资源之一。山苍子油具有抗菌消炎、抗氧化等多种生理活性,用途十分广泛。其主要成分柠檬醛,是合成多种名贵香料的原料。文章综述了山苍子油的化学成分,生物活性和应用方面的研究概况,并对其开发应用前景做了展望。 相似文献
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山苍籽核仁油脱色试验 总被引:3,自引:0,他引:3
利用活性炭和双氧水对山苍籽核仁油进行脱色试验,结果表明:活性炭用量3%,脱色时间20min,脱色温度110℃;双氧水用量15%,脱色时间75min,脱色温度100℃为最佳试验组合,并可得色泽为铁钴12号的精制核仁油,接近椰子油。 相似文献
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Chi-Jung Chen Yen-Hsueh Tseng Fang-Hua Chu Tin-Ya Wen Wei-Wen Cheng Yu-Ting Chen Nai-Wen Tsao Sheng-Yang Wang 《Journal of Wood Science》2012,58(6):538-543
Litsea cubeba (Lauraceae) is woody plant endemic to Taiwan that is traditionally used as a spice. In the current study, several behavioral analyses were performed to evaluate the neuropharmacological activity of the essential fruit oil of L. cubeba in ICR mice. Oral administration of 100, 300 and 500?mg/kg of L. cubeba fruit oil significantly prolonged pentobarbitone-induced mouse sleeping time by 20.0, 110.8, and 159.6?%, respectively. In addition, after administration of L. cubeba oil, mice significantly increased the time spent in the open arms and number of entries into the open arms of an elevated plus maze compared to saline-treated mice suggesting that L. cubeba oil has anxiolytic activity. A tail-flick test conducted after treatment of mice with 500?mg/kg L. cubeba fruit oil also suggested that this oil has potent analgetic activity. According to GC/MS analyses, the essential fruit oil of L. cubeba oil consists of 23 compounds. The main components are geranial (37.16?%), neral (28.29?%), and d-limonene (22.90?%). We conclude that L. cubeba oil has a potent effect on the central nervous system of mice. 相似文献
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Antioxidant activity of Litsea cubeba 总被引:5,自引:0,他引:5
The antioxidant activity of Litsea cubeba was studied in terms of three different assay systems: DPPH assay, peroxidase/guaiacol assay, and TBA test. The L. cubeba methanol extract and its fractions showed remarkable antioxidant activity in comparison with alpha-tocopherol and ascorbic acid. 相似文献
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