2. Materials and methods
2.1. Materials
White pitaya was purchased from the supermarket of Parkson
at Guangzhou City, China. Pectinase, amylase and cellulase were
bought from Yuantian Ltd., Guangzhou, China. Acid protease was
kindly supplied by Guangzhou Huaqi Bio. Sci. Tech. Co., Ltd., China.
Complex enzyme was a mixture of pectinase, cellulase and acid
protease (1:1:1). All other chemicals and solvents used were purchased
from commercial sources and were analytical grade.
2. Materials and methods2.1. MaterialsWhite pitaya was purchased from the supermarket of Parksonat Guangzhou City, China. Pectinase, amylase and cellulase werebought from Yuantian Ltd., Guangzhou, China. Acid protease waskindly supplied by Guangzhou Huaqi Bio. Sci. Tech. Co., Ltd., China.Complex enzyme was a mixture of pectinase, cellulase and acidprotease (1:1:1). All other chemicals and solvents used were purchasedfrom commercial sources and were analytical grade.
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