The objective of this research was to find out the potential of bioscouring using xylano-pectinolytic enzymes, for degumming of aloe fibers. Bioscouring was optimized with 1 : 20 fiber to buffer ratio, using 10 IU xylanase and 3.2 IU pectinase in 50 mM buffer (pH 8.5), EDTA (3 mM), and Tween 80 (1%), at 50°C temperature with agitation rate of 50 rpm and treatment period of 60 min. Enzymatic treatment of aloe fibers increased brightness and whiteness by 55.67% and 24.88%, respectively and decreased yellowness by 44.11% as compared to alkaline fiber scouring, thereby replacing chemical scouring completely. Additionally, the pretreatment of aloe fibers with enzymes resulted in a 50% less consumption of bleaching chemicals with similar optical properties as obtained by 100% bleaching. This is the first report showing the eco-friendly bioscouring approach of aloe fibers, using enzymes produced concurrently from a bacterial isolate.
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The corresponding author thankfully acknowledges Chandra Prakash Shah, Director of M/s Chandra Prakash & Company, India, for providing valuable guidance during the course of this study.
The financial support was provided by the Department of Biotechnology (DBT), Ministry of Science & Technology, Government of India (Grant Number: BT/PR 20438/BCE/8/1220/2016 for 3 years).
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Kaur, A., Varghese, L.M., Battan, B. et al. An environmental management technology for the processing of American aloe fibers using xylano-pectinolytic enzymes. Environ Sci Pollut Res (2021). https://doi.org/10.1007/s11356-021-12915-9
- Chemical scouring