酶法生产速溶慈姑粉的工艺研究

The Preparation of Instant Arrowhead Powder Using Enzyme Hydrolysis Processing

研究了速溶慈姑粉的生产工艺。采用L9（3^4）正交实验研究了pH值、反应温度、酶添加量与反应时间对慈姑浆可溶性糖含量的影响，酶解后经喷雾干燥制得速溶慈姑粉。结果表明，其酶解工艺选择为：pH值6．0、水解温度60℃、α-淀粉酶和纤维素酶添加量分别为0．1％（g酶／g慈姑）和0．4％（g酶／g慈姑），反应时间80min。干燥后样品的润湿性、分散性、堆积密度和溶解性分别为56．17s、15．34s、0．5231g／mL、89．63％。

Technology of instant arrowhead （Sagittaria sagittrifolia） powder was studied in the paper. The addition of α-amylase and cellulase, pH, temperature and time were optimized by orthogonal experiments. The instant powder of arrowhead was prepared by spray-drying. The results showed that the optimal processing parameters were pH6.0, 60℃, 80min, amylase 0. 1% （g enzyme/ g arrowhead） and cellulase 0.4% （g enzyme/ g arrowhead）, respectively. The wetness, dispensability, bulk density and solubility of spray-dried sample were 56.17s, 15.34s, 0. 5231g/mL, 89.63%, respectively.