| 思茅松树皮低聚原花青素提取工艺研究 |
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| 引用本文： | 李童,张加研,秦永剑,田珩.思茅松树皮低聚原花青素提取工艺研究[J].安徽农业科学,2012(13):7780-7782. |
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| 作者姓名： | 李童 张加研 秦永剑 田珩 |
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| 作者单位： | 西南林业大学木质科学与装饰工程学院,云南昆明,650224;西南林业大学木质科学与装饰工程学院,云南昆明,650224;西南林业大学木质科学与装饰工程学院,云南昆明,650224;西南林业大学木质科学与装饰工程学院,云南昆明,650224 |
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| 摘 要： | 目的]研究思茅松树皮低聚原花青素的最适提取条件,为开发思茅松树皮低聚原花青素提供有利参数。方法]在单因素试验和正交试验的基础上,采用溶剂回流提取法,用70%乙醇作提取溶剂从思茅松树皮中提取有效成分低聚原花青素。结果]影响提取工艺各因素的主次顺序依次为:提取时间提取温度料液比。确定最佳的超声提取条件为:提取温度为55℃,料液比1∶20,提取时间为2 h,提取3次。结论]按此条件制备得到的低聚原花青素提取率达到2.30%。
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| 关 键 词： | 思茅松树皮 低聚原花青素 提取工艺 |
Study on Extraction Techniques of Oligomeric Proantho Cyanidins(OPC) from Pinus kesiya var.langbianensis Bark |
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| Institution: | LI Tong et al(College of Materials Engineering,Southwest Forestry University,Kunming,Yunnan 650224) |
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| Abstract: | Objective] To grasp the optimal parameters for OPC extraction and provide the favorable parameters for development of Pinus kesiya var.langbianensis bark.Method] Based on the single factor experiments and orthogonal test,using solvent extraction method,extraction of oligomeric proantho cyanidins from Pinus kesiya var.langbianensis bark has been carried out with 70% ethanol as extraction solvent.Result] The primary sequence for effects of various factors on the extraction technology as follows:extraction time> extraction temperature> solid-liquid ratio.To be sure,the best ultrasonic extraction condition was:extraction temperature 55 ℃,solid-liquid ratio 1:20,extraction time of 2 h,extracted three times.Conclusion] According to the conditions of preparation,extraction ratio of OPC reached 2.30%. |
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| Keywords: | Pinus kesiya var langbianensis bark Oligomeric proantho cyanidins Extraction process |
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