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中国精品科技期刊2020
张翔宇, 李喜宏, 王妍丹, 张平, 朱志强, 李志文. 穿刺测试和 fisher 判别法在葡萄贮藏期间质地评价的应用[J]. 食品工业科技, 2017, (03): 342-347. DOI: 10.13386/j.issn1002-0306.2017.03.058
引用本文: 张翔宇, 李喜宏, 王妍丹, 张平, 朱志强, 李志文. 穿刺测试和 fisher 判别法在葡萄贮藏期间质地评价的应用[J]. 食品工业科技, 2017, (03): 342-347. DOI: 10.13386/j.issn1002-0306.2017.03.058
ZHANG Xiang-yu, LI Xi-hong, WANG Yan-dan, ZHANG Ping, ZHU Zhi-qiang, LI Zhi-wen. Application of the textural evaluation in grapes berries based on puncture test and fisher discriminant analysis[J]. Science and Technology of Food Industry, 2017, (03): 342-347. DOI: 10.13386/j.issn1002-0306.2017.03.058
Citation: ZHANG Xiang-yu, LI Xi-hong, WANG Yan-dan, ZHANG Ping, ZHU Zhi-qiang, LI Zhi-wen. Application of the textural evaluation in grapes berries based on puncture test and fisher discriminant analysis[J]. Science and Technology of Food Industry, 2017, (03): 342-347. DOI: 10.13386/j.issn1002-0306.2017.03.058

穿刺测试和 fisher 判别法在葡萄贮藏期间质地评价的应用

Application of the textural evaluation in grapes berries based on puncture test and fisher discriminant analysis

  • 摘要: 本实验的目的是利用统计学方法验证所编辑的10个穿刺测试参数在贮藏期间葡萄软化过程中是否有测试意义,是否可以代表葡萄浆果的整体质构特点。同时找出评价贮藏期葡萄质地差异的最关键的质构参数,为贮藏期葡萄质地评价提供理论依据。将意大利、巨峰、白罗莎里奥和马奶4个不同品种的葡萄分别通过冷库模拟冷库贮藏条件,通过恒温恒湿箱模拟运输和货架贮藏条件,得到葡萄浆果穿刺参数在不同贮藏条件下的测量值,并对其进行判别分析。结果表明:在温度高于0℃(运输或货架)贮藏期间葡萄软化过程中所编辑的10个穿刺参数有测试意义,可以区分出葡萄在不同贮藏期的质构变化,也很好的总结了整条力-位移穿刺曲线,可以代表葡萄浆果整体的质构特点。在温度0℃(冷库贮藏)贮藏期间葡萄软化过程中所编辑的10个穿刺参数对葡萄质构的区分度不大,没有实际测试意义。其中,果皮硬度、果皮刚度以及浆果形变度是评价贮藏期质地变化最关键的参数。 

     

    Abstract: The objective of the present study was to test ten textural properties we edited for characterizing the puncture properties of grapes from force / displacement curves. Weather it can represent the whole character of grape berries or not. The most critical textural properties have been found to provide theoretical basis in the textural evaluation.Four different cultivars:Red Globe,kyoho,White Rosario,Horse milk grapes acted as test materials.Through the cool room to simulate the cold storage conditions,Through the constant temperature and humidity box to simulate the transport and shelf storage conditions.Respectively puncture test were carried at storage conditions of different temperature per same time for discriminant analysis.The results showed that: Above 0 ℃ storage condition the ten computed parameters gave a good summary of the information present in the curve. At 0 ℃ storage condition,the ten computed parameters can't distinguish the grapes. Skin hardness,skin stiffness and berry deformation is the most critical textural parameters for these parameters during the grapes storage.

     

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