| 不同时期苹果渣对苹果果胶制备的影响 |
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| 引用本文： | 许增巍,岳田利,马惠玲,张丽萍.不同时期苹果渣对苹果果胶制备的影响[J].西北林学院学报,2006,21(1):129-130,135. |
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| 作者姓名： | 许增巍 岳田利 马惠玲 张丽萍 |
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| 作者单位： | 1. 西北农林科技大学林学院,陕西,杨陵,712100
2. 西北农林科技大学食品工程学院,陕西,杨陵,712100 |
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| 基金项目： | 国家科技攻关项目(2001BA901A19) |
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| 摘 要： | 研究了不同时期的苹果渣内果胶含量、果胶提取率及其它的指标的变化。比较了人工干燥和自然干燥两种方式对果胶的影响,并测定了果胶在保存了一段时间后胶凝度的变化情况。结果表明,苹果渣果胶含量从8月到11月保持高水平,以后下降,9月份达到最大值。果胶提取率与果胶含量变化相一致,以9月份为最高。且人工干燥比自然干燥条件果胶提取率高。果胶在存放一段时间后胶凝度会有不同程度的下降。
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| 关 键 词： | 苹果渣 不同时期 果胶得率 半乳糖醛酸含量 |
| 文章编号： | 1001-7461（2006）01-0129-02 |
| 收稿时间： | 2004-12-15 |
| 修稿时间： | 2004-12-152005-06-29 |
Influence of Material Collection Time on Pectin Precipitation from Apple Pomace |
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| XU Zeng-wei,YUE Tian-li,MA Hui-ling,ZHANG Li-ping.Influence of Material Collection Time on Pectin Precipitation from Apple Pomace[J].Journal of Northwest Forestry University,2006,21(1):129-130,135. |
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| Authors: | XU Zeng-wei YUE Tian-li MA Hui-ling ZHANG Li-ping |
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| Abstract: | Galacturonic acid content,pectin yield and other indexes of apple pomace(AP) at different stages were studied.The influence of oven drying and air drying was compared,and the gels variation of pectin which was conserved for different periods was measured.The result showed that the galacturonic acid content of AP kept a high level from August to November,then decreased continuously,reached the highest level in September.The pectin yield of AP was consistent with the galacturonic acid content,and it was higher under oven drying than air drying.The gels of pectin which was conserved for a period decreased to some extent. |
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| Keywords: | apple pomace different periods pectin yield galacturonic acid content |
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