Table 1.

Polygonatum sibiricum polysaccharide (PSP) extraction methods.

Extraction Methods	Solid-liquid Ratio	Temperature (°C)	Time (h)	Extraction Rate (%)
Water extraction method	1:21.5	73.5	2.5	12.25
Dilute lye extraction method	1:15	Room temperature	12	11.89
Other extraction methods	Enzymatic hydrolysis extraction method, Ultrasonic crushing and extraction method, Microwave-assisted extraction