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糯米粉理化特性及与麻球品质的相关性
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Physicochemical properties of glutinous rice flour and its correlation with the quality of fried glutinous rice ball
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    摘要:

    为提高麻球产品质量,指导麻球工业化生产合理选择糯米粉原料。以16种糯米粉原料为研究对象,测定其理化特性(直链淀粉含量、粗蛋白含量、粗脂肪含量、破损淀粉含量、糊化特性)及麻球品质特性,同时通过分析糯米粉各品质指标与麻球品质的相关性,探讨糯米粉原料特性对麻球品质的影响。结果表明,糯米粉粗蛋白含量与麻球比容、色泽、硬度指标均呈显著负相关,与麻球形状和总分均呈极显著负相关;衰减值与麻球比容得分呈显著正相关,而峰值时间、糊化温度与麻球比容呈极显著负相关,最低粘度、最终粘度、回生值与麻球的外观均呈显著负相关。因此,在选择麻球生产原料糯米粉时,应综合考虑其粗蛋白含量和糊化特性。依据本研究所用的糯米粉,得出粗蛋白含量在6.80%以下,衰减值高于1 282cP,最低粘度低于1 526cP,最终粘度低于1 950cP,回生值低于424cP,峰值时间低于3.9min,糊化温度低于76℃的原料,生产的麻球品质较好。

    Abstract:

    In order to improve the quality of the fried glutinous rice ball and offer a guideline for the reasonable selection of raw material of the fried glutinous rice ball industrial production, 16 kinds of glutinous rice flour were taken as the research object, the physicochemical properties, including amylose content, crude protein content, crude fat content, damaged starch content, the pasting properties of glutinous rice flour and the quality of the fried glutinous rice ball were determined. At the same time, the effect of the raw material properties of glutinous rice flour on the quality of the fried glutinous rice ball was explored through analyzing the correlation between the quality indexes of glutinous rice flour and the quality of the fried glutinous rice ball. The results showed that the crude protein content of glutinous rice flour was significant negative correlation with the specific volume, color and hardness, and was highly significant negative correlation with the shape and total score of the product, the attenuation value was significant positive correlation with the specific volume score, the peak time and gelatinization temperature were highly significant negative correlation with the specific volume score of the fried glutinous rice ball, the trough viscosity, the final viscosity, and the setback were all significant negative correlation with the outer appearance of the fried glutinous rice ball. Therefore, the crude fat content and gelatinization properties should be considered in the selection of glutinous rice flour. To the glutinous rice flour samples used in this research, the raw material whose crude protein content was less than 6.80%, the attenuation value was higher than 1 282cP, the trough, final viscosity and setback were lower than 1 526cP, 1 950cP and 424cP, the peak time was less than 3.9min, gelatinization temperature was lower than76 ℃ could be used to produce the high quality fried glutinous rice ball.

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马鹏阔,周显青,张玉荣,李建飞.糯米粉理化特性及与麻球品质的相关性[J].粮油食品科技,2018,26(3):1-6.

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  • 在线发布日期: 2018-05-23
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