Use of ultrasound to increase the catalytic activity of -L-rhamnosidase
PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY(2024)
摘要
alpha-L-rhamnosidase (Rha) is ubiquitous in nature and has high feasibility in the food and biotechnology industries. A green and environmentally friendly method was used to improve the activity of Rha. Here, we show that the effects of ultrasound treatment on the Rha. Ultrasonic treatment at 80 W for 10 min yielded the highest enzyme activity. Treatment increased enzyme activity by 26.3% and half-life by 124 min. Further, treatment increased the catalytic efficiency of Rha and increased the substrate conversion rate by 33.88%. These results demonstrate that ultrasound increases the catalytic activity and stability of Rha. Thus, ultrasonic treatment of Rha is cost-effective on the industrial scale.
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关键词
alpha-L-rhamnosidase,enzyme activity,fluorescence spectra,kinetics,ultrasound
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