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中国精品科技期刊2020
蒋晓峰, 朱帜, 姜松. 漂烫黄秋葵嫩果力学质地变化及评价方法的研究[J]. 食品工业科技, 2013, (22): 91-95. DOI: 10.13386/j.issn1002-0306.2013.22.055
引用本文: 蒋晓峰, 朱帜, 姜松. 漂烫黄秋葵嫩果力学质地变化及评价方法的研究[J]. 食品工业科技, 2013, (22): 91-95. DOI: 10.13386/j.issn1002-0306.2013.22.055
JIANG Xiao-feng, ZHU Zhi, JIANG Song. Study on the mechanical texture and evaluation methods of blanching okra[J]. Science and Technology of Food Industry, 2013, (22): 91-95. DOI: 10.13386/j.issn1002-0306.2013.22.055
Citation: JIANG Xiao-feng, ZHU Zhi, JIANG Song. Study on the mechanical texture and evaluation methods of blanching okra[J]. Science and Technology of Food Industry, 2013, (22): 91-95. DOI: 10.13386/j.issn1002-0306.2013.22.055

漂烫黄秋葵嫩果力学质地变化及评价方法的研究

Study on the mechanical texture and evaluation methods of blanching okra

  • 摘要: 为探讨漂烫黄秋葵嫩果的力学和色泽质地变化规律以及建立漂烫黄秋葵嫩果力学质地评价方法,用TA-XT2i质地分析仪对漂烫黄秋葵嫩果横切片进行了两种接触方式的硬度测定,并测定了不同漂烫温度、漂烫时间和冷却条件下黄秋葵嫩果的硬度,同时用DC-P3色差仪进行了色泽测定。实验表明,用棱接触压缩实验的压缩功评价漂烫黄秋葵硬度优于棱面接触压缩实验;黄秋葵嫩果经40、60℃漂烫后冷激能更好地保持原来硬度、色泽,且沿长度方向其硬度呈下降趋势;经80、100℃高温漂烫后,黄秋葵嫩果发生软化和褐变;综合力学和色泽质地的分析,黄秋葵嫩果最佳漂烫方法为60℃漂烫3060s后冷激。本研究表明用棱接触压缩实验法评价漂烫黄秋葵力学质地变化是可行的,本实验为漂烫黄秋葵力学和色泽质地变化提供了参考。 

     

    Abstract: In order to investigate the change regulation of mechanical and color texture of blanching okra, and establish mechanical texture evaluation methods of blanching okra, two kinds of contact patterns of hardness tests were taken on okra slices by TA-XT2i Texture Analyzer. The hardness of okra slice was measured under different blanching temperature, blanching time and cooling conditions. The color of blanching okra was measured by DC-P3 colorimeter at the same time. It was found that the compression work as the hardness evaluation index of edge contact compression test was superior to the ridge surface contact compression test.Okra which cold shock after 40, 60℃ blanching could keep the original hardness and color better, and its hardness was on the decline along the length direction. However, okra softening and browning after high-temperature blanching (80, 100℃) . Based on the analysis of mechanical and color texture, the best blanching method of okra tender fruit was cold shock after blanching 3060s under 60 ℃. The experimental results showed that the edge contact compression test in the analyses of mechanical quality of blanching okra was feasible, which could provide a basis for analyzing mechanical and color quality of blanching okra.

     

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