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为研究不同品种和粒度米粉对米蛋糕品质的影响,选取粳米、籼米、糯米三个品种,分别制备80、100、120、140目的米粉。通过测定不同品种和粒度米粉的糊化特性、米蛋糕的质构特性和感官品质等,采用定性方法分析得出不同品种和粒度米粉对米蛋糕品质的影响。结果表明:随着目数的增加,米粉小颗粒受到的机械损伤增大,水分迅速蒸发,米粉的水分含量逐渐减小;小颗粒粉体更容易吸水膨胀,糊化温度逐渐减小。而衰减值和回生值逐渐增大,峰值黏度和最终黏度先增大后减小;随米粉目数的增加,米蛋糕的咀嚼性逐渐减小,而硬度和弹性逐渐增大,内聚性和感官评分先增大后减小;不同品种米粉的糊化特性、老化特性以及蛋糕品质等均存在差异,米粉粒度对蛋糕品质具有一定的影响。在过筛目数为120目时,蛋糕的感官得分达到最高。当米粉过筛目数在140目粒径较小时,质地过于松软,食用时咀嚼性差,口感欠佳,蛋糕品质下降。相比于糯米粉而言,粳米粉和籼米粉更适宜制作蛋糕,由粳米粉为原料制作的蛋糕品质更好。综上所述,过筛目数为120目的粳米粉更适合制作蛋糕。 相似文献
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综述了直链淀粉、胶稠度、大米粉粒度、糊化特性及辅料对米粉品质影响的国内外研究进展,以期为我国建立科学的米粉原辅料选用标准提供参考,同时对我国米粉加工业进行了展望。 相似文献
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为了研究麦麸添加量和粒度对饺子皮品质的影响。以饺子粉和不同添加量(1%、3%、5%)及粒度(0.096、0.12、0.18、0.38 mm)的麦麸为原料制成饺子皮,测试饺子皮的质构特性和蒸煮特性,并对饺子皮进行感官评价和微观结构进行观察。结果表明,硬度、胶粘性随着麦麸添加量的增加而显著增加(p<0.05),且随着麦麸粒度的减小而增加;吸水率随着麦麸添加量的增加而显著增加(p<0.05),且随着麦麸粒度的减小而增加;蒸煮损失率随着麦麸添加量的增加而显著减小(p<0.05),且随着麦麸粒度的减小而减小;麦麸可以改善饺子皮口感,增加饺子皮的麦麸香味,但饺子皮的颜色、光泽、光滑性等会有所下降;随着麦麸添加量的增加和粒度的减小,面筋网络结构更加紧密,空隙减小。研究表明,添加5%的粒度为0.12 mm左右的麦麸时,感官评价最好,饺子皮具有较好的综合品质。 相似文献
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主要研究乳酸湿热处理对大米粉性质及其干粉条和湿粉条品质的影响。以水磨籼米粉为原料,通过不同浓度乳酸、湿热以及乳酸与湿热联用的方法对米粉进行处理,研究不同条件下制备的大米粉的糊化特性、溶解度、膨胀率以及干粉条和湿粉条的蒸煮品质和质构品质。实验结果表明:乳酸湿热处理对大米粉糊化特性影响显著,大米粉通过湿热处理、乳酸处理、乳酸湿热联用处理后,大米粉的峰值黏度、谷值黏度、衰减值、最终黏度、回生值都有所降低。在乳酸处理(pH=4)时,峰值黏度最高。乳酸湿热处理对大米粉的溶解度和膨胀度都有一定的影响,与原样相比,被处理过的样品其溶解度、膨胀度都逐渐降低。在粉条蒸煮品质测定中,乳酸处理(pH=4)后,干粉条和湿粉条的断条率、蒸煮损失率都达到最低。在粉条质构品质测定中,经过湿热处理、乳酸处理和乳酸湿热联用处理三种方法处理以后,湿粉条的硬度、咀嚼性均有所下降,在乳酸处理(pH=4)时,湿粉条的弹性达到最大;在湿热处理、乳酸处理和乳酸湿热联用处理中,干粉条的黏度有所下降,在乳酸(pH=4)时,干粉条的弹性达到最大。最终结果:在乳酸处理(pH=4)时,对改善大米粉性质及粉条品质的效果是最优的。 相似文献
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将小米粉按照10%~80%的比例添加到小麦粉中,对小米小麦混合粉的粉质特性和糊化特性进行了分析,同时对由混合粉制作成的挂面的品质特性进行了分析研究。结果表明:1)随着小米粉添加量的增加,小米小麦混合粉的峰值黏度、最低黏度、最终黏度、回生值、衰减值和峰值时间都在降低,形成时间、稳定时间、粉质指数都是先降低再升高。2)挂面蒸煮损失率不断升高,干物质吸水率不断下降。小米添加量≤30%时,挂面品质比较好,添加量≤60%时,品质尚可,添加量60%时,挂面品质下降比较大。3)小米粉的添加量、小米小麦混合粉的RVA特性、粉质特性与混合粉挂面的蒸煮品质特性有非常高的相关性。 相似文献
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为研究玉米粉粒度对面团特性及馒头品质的影响,确定适于制作馒头的玉米粉粒度,将普通玉米粉利用标准筛筛分成40、60、80、100目四个等级,对其色泽、持水力、糊化特性等性质进行分析。再分别按玉米粉∶小麦粉=3∶7的质量比配成混合粉,进行粉质特性和馒头蒸制实验。结果表明,随着玉米粉粒度的减小,其持水力增大,糊化温度减小,混合粉的吸水率缓慢增大,面团形成时间、面团稳定时间逐渐减小,而弱化度显著(p0.05)增大。随着玉米粉粒度的减小,混合粉馒头硬度增大,比容减小,感官评分则先增大后减小,添加80目玉米粉的馒头感官品质最好。 相似文献
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研制以膨化玉米粉、马铃薯粉和小麦粉为原料的复合饺子皮,以马铃薯粉添加量、膨化玉米粉添加量、水分添加量、熟化时间为考察因素,以饺子皮感官评分为考核指标,采用单因素和正交试验优化工艺参数。结果表明:当膨化玉米粉添加量为6%、马铃薯粉添加量为15%、水分添加量为48%、熟化时间为25 min时,复合饺子皮感官评分最高,为93.50分。此时饺子皮蒸煮品质接近全麦水饺,并有玉米和马铃薯的香气,具有较均衡的营养价值。 相似文献
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糯米粉组分对速冻汤圆粉团蒸煮特性的影响 总被引:3,自引:0,他引:3
为了探索糯米粉组分对速冻汤圆粉团蒸煮特性的影响,以水磨粳型糯米粉为原料,采用冷水法,同源组分回添制作汤圆粉团,对汤圆粉团外观品质和蒸煮品质评价各指标进行测定与分析。结果表明,糯米蛋白质、脂肪和直链淀粉含量显著影响粉团的外观品质和蒸煮特性,糯米蛋白质含量越高,高径比越大,冻裂率、失水率越高,蒸煮品质越差,脱蛋白质糯米粉制得的汤圆粉团感官品质较差,糯米粉中蛋白质质量分数为6.5%时,较适宜于速冻汤圆粉团的制作;糯米粉中脂肪含量越高,制作的汤圆粉团蒸煮特性越好;直链淀粉含量越高,粉团高径比越大,透光度升高,冻裂率增加,蒸煮品质下降,脱直链淀粉制得的汤圆粉团感官品质较差,糯米粉中直链淀粉质量分数为1.6%时,较适宜于速冻汤圆粉团的制作。 相似文献
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The particle size distributions (PSD) of rice flour and milling processes are important in making gluten-free products. The dry rice flour was prepared by grinding dried rice grains after soaking. Effects of PSD on the quality of rice cupcakes were investigated using the newly-developed rice flour. The flour properties passed through 80, 120, 160, and 200 (<180, <125, <95, and <75 μm) meshsieves, and batters and cupcakes prepared from their flours were analyzed. The PSD patterns showed two peaks containing cells and free starch fractions, in which the starch fraction peak intensity increased as a particle size decreased. While damaged starch, water binding capacity, solubility and lightness increased, crude protein and yellowness decreased as a particle size decreased. The final and setback viscosities increased as a particle size decreased. The specific volume of cupcakes was the highest in the cupcakes made with rice flour passed through under 95 μm. Hardness and springiness decreased as a particle size decreased. The air cell sizes decreased as a particle size decreased with homogeneity. Air cell homogeneity, volume, hardness, and softness of cakes determined by the different test, and appearance, texture, and overall quality determined by the preference test were all significantly different (p < 0.05). 相似文献
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Wenjuan Feng Sen Ma Fengcheng Wang Xiaoxi Wang 《International Journal of Food Science & Technology》2022,57(3):1748-1762
This article presents a novel idea for the preparation of frozen dough and steamed bread by which black rice flour (BRF) with different particle sizes (0.18–0.25 mm, 0.15–0.18 mm and 0.125–0.15 mm) was added into wheat flour (WF), considering the nutritional values of BRF. The characteristic of the composite flour (CF), frozen dough and steamed bread was studied. CF had higher contents of dietary fibres (2.01–2.16%) but lower content of protein (11.57–11.92%) compared with WF (1.6% and 12.60%, respectively). Correlation analysis showed that the addition of BRF could alleviate the damage to dough caused by freezing, which may be due to that water in CF dough was more stable. The content of freezable water in WF dough increased by 23.48%, while that in CF dough increased by 6.09–12.11% after frozen storage. With decreasing particle size, the hardness of CF dough decreased and the resistance to extension and gas retention coefficient increased, whereas the specific volume and the soft crumb texture of CF steamed bread increased. In short, small-sized BRF is more suitable for use in the preparation of steamed bread. 相似文献
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Ke Xu Zhenyun She Hongwei Wang Xingli Liu Yanyan Zhang Chengdeng Chi Hua Zhang 《International Journal of Food Science & Technology》2021,56(8):4081-4090
Effects of germination on components and structural changes of rice flours and, in turn, rheological properties and textural attributes of sweet dumplings were investigated in this study. Germination decreased starch, protein and lipid content, while slightly increased free amino acids content. Starch granular surface corroded, crystalline structure disrupted, and short-range ordered structures and helical structures decreased with germination. Moreover, germination resulted in a decreased paste viscosity and gel intensity of flour and a reduction of hardness and adhesiveness of dumplings. According to the Pearson’s correlation analysis, flours components and starch structures were significantly correlated with flours rheological properties that determined textural attributes of sweet dumplings. The germination contributed to significant changes in flours components and starch structures, which suggested the pretreatment of germination of waxy rice could be a promising pathway to control textural properties of sweet dumplings. 相似文献
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《食品与发酵工业》2019,(10):66-71
为研究不同品种小麦粉的品质特性对速冻饺子皮品质的影响,选取22种小麦,测定小麦粉的品质指标和速冻饺子皮的质构指标,并由专业人员对速冻饺子皮进行感官评价,采用相关性分析、主成分分析和聚类分析等分析方法进行分析。结果表明,速冻饺子皮的弹性与粉质质量指数呈显著正相关(P 0. 05),黏聚性与淀粉含量、灰分含量、湿面筋含量、面团形成时间呈显著负相关(P 0. 05),回复力与粉质质量指数显著负相关(P 0. 05);与拉伸阻力、拉伸比例、最大拉伸比例呈显著正相关(P 0. 05)。影响饺子皮品质的主要影响因素为粉质质量指数、淀粉含量、蛋白质含量、湿面筋含量、拉伸特性和糊化特性。适合做饺子皮的小麦品种有济麦4号,豫麦49-198,郑麦9023。 相似文献
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