Optimization of Extraction and Enrichment of Steroidal Alkaloids from Bulbs of Cultivated Fritillaria cirrhosa

Table 6

Kinetics parameters and correlation coefficients for the adsorption of total alkaloids, imperialine, and peimisine on H-103 resin.

Compound	𝑄𝑒, exp^a (mg/g)	Pseudo-first-order			Pseudo-second-order			Intraparticle diffusion
		𝑄𝑒, cal^b (mg/g)	𝑘1 (min^−1)	𝑅^2	𝑄𝑒, cal^b (mg/g)	𝑘2 (g/mg·min)	𝑅^2	𝐶 (mg/g)	𝑘𝑖 (mg/g·min^−1/2)	𝑅^2
Total alkaloids	55.745	49.627	3.661×10^−3	0.971	1.057	2.085×10^−3	0.997	10.568	1.492	0.846
Imperialine	18.106	16.482	3.651×10^−3	0.990	1.178	0.287×10^−3	0.958	1.271	0.540	0.878
Peimisine	5.656	4.608	2.730×10^−3	0.967	1.092	1.172×10^−3	0.990	0.457	0.161	0.904

aExp is expressed as experimental value; ^bCal is expressed as calculated value.