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

Table 2

Orthogonal experimental design for extraction of total alkaloids from BCFC.

Test no.	𝑡 (min)	𝐶 (v/v%)	𝑇 (°C)	𝑅 (mL/g)	𝑌 (%)
1	1	1	1	1	81.42±2.78
2	1	2	2	2	96.63±0.98
3	1	3	3	3	63.81±4.65
4	2	1	2	3	107.41±3.28
5	2	2	3	1	80.95±6.62
6	2	3	1	2	81.73±3.78
7	3	1	3	2	91.99±4.80
8	3	2	1	3	106.73±3.64
9	3	3	2	1	78.84±2.15
𝑘1	80.62	93.61	89.96	80.41
𝑘2	90.03	94.77	94.29	90.11
𝑘3	92.52	74.80	78.92	92.65
𝑅	11.90	19.98	15.38	12.25

Y: mean value of extraction yield of total alkaloids; R is the difference between the maximum value and the minimum value of 𝑘_𝑖 of any columns. The reported values are expressed as mean ± S.D. (𝑛=2).