Table 1. Effects of ethanol ratios on yield and molecular weight of polysaccharides from I. obliquus.

Ethanol concentration	Name	Yield (%)	Peak retention time (min)	Molecular Weight (kDa)
50%	IO1	16.30	9.319–11.859	7572–32637
60%	IO2	21.48	11.645–13.985	2229–8564
70%	IO3	16.30	12.734–17.822	245–4578
80%	IO4	19.26	13.338–20.432	55–3234
total 80%	IO5	74.67	8.901–20.734	46–41508