| 超临界二氧化碳萃取常山胡柚外果皮中天然色素的工艺研究 |
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| 引用本文： | 时海香,仲山民,吴峰华.超临界二氧化碳萃取常山胡柚外果皮中天然色素的工艺研究[J].浙江林学院学报,2008,25(5):639-643. |
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| 作者姓名： | 时海香 仲山民 吴峰华 |
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| 作者单位： | 浙江林学院,农业与食品科学学院,浙江,临安,311300 |
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| 摘 要： | 为了得到萃取常山胡柚Citrus paradisi‘Changshan Huyou’天然色素的最佳工艺条件，为规模化、产业化提取常山胡柚天然色素提供理论依据，以常山胡柚外果皮为原料，采用超临界二氧化碳萃取技术对常山胡柚天然色素的提取工艺进行了较为系统的研究。并对提取中的若干关键因素如萃取时间、萃取压力、夹带剂（体积分数为95％乙醇）用量和萃取温度等分别进行单因素试验和正交试验．得到了常山胡柚天然色素提取的最佳工艺条件为：萃取时间2h，萃取压力25MPa，夹带剂（体积分数为95％乙醇）用量300mL，萃取温度35℃。提取后将色素液烘干至恒质量．从而计算其得率．常山胡柚天然色素的提取率为3．78％。图4表2参15
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| 关 键 词： | 经济林学 超临界二氧化碳萃取 常山胡柚 天然色素 工艺 |
Supercritical CO2 extraction of natural pigment from Citrus paradisi'Changshan Huyou' cuticle |
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| SHI Hai-xiang,ZHONG Shan-min,WU Feng-hua.Supercritical CO2 extraction of natural pigment from Citrus paradisi'Changshan Huyou' cuticle[J].Journal of Zhejiang Forestry College,2008,25(5):639-643. |
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| Authors: | SHI Hai-xiang ZHONG Shan-min WU Feng-hua |
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| Institution: | (School of Agriculture and Food Science, Zhejiang Forestry College, Lin＇an 311300, Zhejiang, China) |
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| Abstract: | In order to obtain the optimal technical condition on the extraction of Citrus paradisi ＇Changshan Huyou＇ and give a theoretic guarantee of extracting it in a large-scale and industrial way, cuticle of ＇Changshan Huyou＇ was studied with the supercritical CO2 technology. Factors affecting extraction such as time, pressure, 95% ethanol dosage and temperature were studied. The results showed that the optimal technical condition of extracting natural pigment from ＇Changshan Huyou＇ cuticle were as follows： extract ing time was 2 h; extracting pressure was 25 MPa; 95% ethanol dosage was 300 mL; extracting temperature was 35 ℃. After extracting, the liquid pigment was dried to a permanent weight to calculate the extraction rate. The extraction rate was 3.78%. Ch, 4 fig. 2 tab. 15 ref.] |
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| Keywords: | cash forestry supercritical CO2 extraction Citrus paradisi ＇Changshan Huyou＇ natural pigment craft |
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