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Rheological behavior of mixed drink of annona and milk

机译:安纳和牛奶混合饮料的流变行为

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In this study the rheological behavior in different temperatures (0; 6; 18 e 24 oC) and physicochemical parameters of integral annona (Annona squamosa) pulp and the annona pulp with milk in different percentages pulp/milk (75g of annona pulp/25g of milk, 50g of annona pulp/50g of milk, 25g of annona pulp/75g of milk) have been availed, in order to verify the effect of temperature and pulp concentration in the rheological behavior of these beverages. To obtain the rheological parameters a concentric cylinder rheometer has been used and the rheograms were analyzed using the Ostwald-de-Wael (power Law) and Herschel-Bulkley models. The physicochemical parameters (sugars, pH, ash, acidity and soluble solids) were determined in order to establish correlations with the rheological behavior. Finally, the best results had been obtained using the Herschel-Bulkley model; the low values for the behavior index (n <1) obtained confirm the pseudoplastic behavior of all samples.
机译:在这研究中,不同温度(0; 6; 18 e 24 oc)和Intental Annona(Annona Squamosa)纸浆的物理化学参数和不同百分比的牛奶(75g Annona Pulp / 25g牛奶,50克Annona纸浆/ 50g牛奶,25g Annona Pulp / 75g牛奶)已被利用,以验证温度和纸浆浓度在这些饮料的流变行为中的影响。为了获得流变参数,已经使用了同心圆柱流变仪,并使用Ostwald-De-Wael(Power Law)和Herschel-Bulkley模型分析了Rheography。测定物理化学参数(糖,pH,灰,酸度和可溶性固体),以便与流变行为建立相关性。最后,使用Herschel-Bulkley模型获得了最佳结果;行为索引(N <1)的低值获得了确认所有样品的假塑性行为。

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