Optimization of ultrasound-assisted extraction of Imperata cylindrica polysaccharides and evaluation of its anti-oxidant and amelioration of uric acid stimulated cell apoptosis

• DOI: 10.1016/j.ultsonch.2024.106844
• Publication Date: 2024-03-06T17:30:34Z
• Authors: Wenchen Yu; Jiangfei Li; Yi Xiong; Junwen Wang; Jiaren Liu; Denis Baranenko; Yingchun Zhang; Weihong Lu
• Keywords: Imperata

An efficient, cost-effective and environmentally friendly ultrasound-assisted hot water method for Imperata cylindrica polysaccharide (ICPs) extraction was developed. According to the response surface results, optimal ultrasonic time 85 min, power 192.75 W, temperature 90.74 °C, liquid–solid ratio 26.1, yield 28.50 %. The mainly consisted of arabinose (Ara), galactose (Gal), glucose (Glc), with a molecular weight 62.3 kDa. Ultrasound-assisted (UICP) exhibited stronger anti-oxidant activity ability ameliorate cellular damage due uric acid stimulation compared traditional (ICPC-b). It also higher thermal stability, indicating its potential value applications in food industry.