Optimization of reducing sugars production from agro-residue coconut leaflets using autoclave-assisted HCl hydrolysis with response surface methodology

Vinayaka Babu Shet, Chetan Varun, Uday Aishwarya, Anusha Madu Palan, Shama Umesh Rao, Louella Concepta Goveas, Selvaraj Raja, Chandrayan Vaman Rao, Ujwal Puttur

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The utilization of coconut leaflets, an agro residue generated from coconut farming, was investigated to develop a process to release reducing sugars using hydrochloric acid (HCl)-assisted, autoclave-based hydrolysis. The variables affecting HCl hydrolysis (duration of autoclaving, concentration of HCl and weight of coconut leaflets) were screened using a one factor at-a-time approach. The duration of autoclaving and concentration of HCl both had significant effects on the hydrolysis process and the levels of these factors were further optimized using a central composite design with response surface methodology. The optimized conditions were 3.17% of HCl and 44.14 min of autoclaving that released the maximum reducing sugars of 29 g/L. A second order model was generated, which was a good fit with a coefficient of determination value of 0.83.

Original languageEnglish
Pages (from-to)280-284
Number of pages5
JournalAgriculture and Natural Resources
Volume52
Issue number3
DOIs
Publication statusPublished - 01-06-2018

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)

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