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Developing New Health Material: The Utilization of Spray Drying Technology on Avocado (Persea Americana Mill.) Seed Powder

机译:开发新的健康材料:鳄梨(Persea Americana Mill。)种子粉末的喷雾干燥技术的应用

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摘要

Avocado ( Mill.) generates byproducts, especially the avocado seeds. Hence, the aim of this study was to investigate the potential utilization of avocado seed as a very important, high phenolic content, climacteric fruit with unique characteristics and high nutritional properties. As such, theantioxidative test is conducted, then spray drying is used to produce avocado seed powder. The objective of this study was to develop an avocado seed powder using the spray drying technique by investigating the solution stability with different avocado seed extract concentrations, and to determine the physical properties of spray dried avocado powder that consists of powder yield, moisture, water activity, solubility, and color. The avocado seed extract was mixed with maltodextrin and water and homogenized for 10 min at 8000 rpm. The avocado seed solution was then spray dried with different inlet temperatures and feed flow rates. The spray dried avocado seed powder was analyzed for its yield, moisture content, water activity, solubility, and color. It was reported that the solution with the least avocado extract concentration (10 g) had the best stability in terms of presence of solute particles and color. The avocado seed powder obtained from this experiment had yield ranges from 24.46–35.47%, moisture content ranges from 7.18–7.96%, water activity ranges from 0.27–0.34, solubility ranges from 55.50–79.67 seconds, L* value ranges from 38.38–41.05, a* value ranges from 6.20–7.25, and b* value ranges from 13.33–15.17. In addition, increasing inlet temperature resulted in an increase in powder yield, solubility, a* value, and b*value, as well as a decrease in moisture, water activity, and L* value. Meanwhile, increasing the feed flow rate resulted in an increase in powder yield, moisture, water activity, and all L*, a*, b* values, as well as a decrease in solubility. In conclusion, spray drying technology is able to develop avocado seed powder.
机译:鳄梨(米尔)产生副产物,尤其是鳄梨种子。因此,本研究的目的是研究鳄梨种子作为一种非常重要的,高酚含量,具有独特特征和高营养特性的更年期水果的潜在利用。这样,进行抗氧化测试,然后使用喷雾干燥来生产鳄梨种子粉末。这项研究的目的是通过研究不同鳄梨种子提取物浓度下的溶液稳定性,使用喷雾干燥技术开发鳄梨种子粉末,并确定喷雾干燥的鳄梨粉末的物理性质,包括粉末产量,水分,水分活度,溶解度和颜色。将鳄梨种子提取物与麦芽糊精和水混合,并以8000 rpm的速度匀化10分钟。然后将鳄梨种子溶液以不同的入口温度和进料流速喷雾干燥。分析喷雾干燥的鳄梨种子粉末的产量,水分含量,水活度,溶解度和颜色。据报道,就溶质颗粒和颜色的存在而言,鳄梨提取物浓度最低的溶液(10 g)具有最佳的稳定性。从该实验中获得的鳄梨种子粉末的产量范围为24.46-35.47%,水分含量为7.18-7.96%,水分活度为0.27-0.34,溶解度范围为55.50-79.67秒,L *值范围为38.38-41.05 ,a *值的范围是6.20–7.25,b *值的范围是13.33–15.17。另外,入口温度的升高导致粉末产量,溶解度,a *值和b *值的增加,以及水分,水分活度和L *值的降低。同时,增加进料流速导致粉末产量,水分,水活度和所有L *,a *,b *值的增加,以及溶解度的降低。总之,喷雾干燥技术能够开发鳄梨种子粉。

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