Kim Ju-Hui, Kim Jang H, Eun Jong-Bang
Department of Food Science and Technology, Graduate School of Chonnam National University, 77 Yongbong-ro Buk-gu, Gwangju, 61186 South Korea.
School of Family and Consumer Sciences, College of Agricultural and Life Sciences, University of Idaho, Moscow, ID 83843 USA.
Food Sci Biotechnol. 2021 Aug 2;30(8):1075-1086. doi: 10.1007/s10068-021-00950-8. eCollection 2021 Aug.
Optimization of spray drying conditions namely inlet air temperature (IAT) and maltodextrin (MD) concentration was utilized by response surface methodology for Japanese apricot ( Sieb. et Zucc.) juice powder (JAJP) manufacture. Drying yield, moisture content, water solubility index (WSI), bulk density, color, pH, total phenol content (TPC), total flavonoid content (TFC), vitamin C content, and DPPH radical-scavenging activity of juice powder were measured. Moisture content, vitamin C content, color, DPPH radical-scavenging activity, pH, and bulk density were greatly influenced by IAT, but drying yield, WSI, TPC, and TFC were only significantly affected by MD concentration. The spray drying condition was optimum at 10% MD concentration and 165.8 °C IAT. The properties of juice powder were 37.50% drying yield, 4.81% moisture content, 134.25 mg/g vitamin C content, 27.52% DPPH radical-scavenging activity, 2.78 pH, 89.15% WSI, 232.856 μg GAE/100 g TPC, 404.66 μg CE/100 g TFC, and 0.49 bulk density.
The online version contains supplementary material available at 10.1007/s10068-021-00950-8.
采用响应面法对喷雾干燥条件（即进风温度（IAT）和麦芽糊精（MD）浓度）进行优化，以制备杏子（Sieb. et Zucc.）汁粉（JAJP）。测定了汁粉的干燥产率、水分含量、水溶性指数（WSI）、堆积密度、颜色、pH值、总酚含量（TPC）、总黄酮含量（TFC）、维生素C含量和DPPH自由基清除活性。水分含量、维生素C含量、颜色、DPPH自由基清除活性、pH值和堆积密度受IAT影响较大，而干燥产率、WSI、TPC和TFC仅受MD浓度显著影响。喷雾干燥条件在MD浓度为10%和IAT为165.8°C时最佳。汁粉的特性为干燥产率37.50%、水分含量4.81%、维生素C含量134.25mg/g、DPPH自由基清除活性27.52%、pH值2.78、WSI 89.15%、TPC 232.856μg GAE/100g、TFC 404.66μg CE/100g和堆积密度0.49。
在线版本包含可在10.1007/s10068-021-00950-8获取的补充材料。
