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

Figure 1

Effects of different parameters: the time of BCFC soaked in ammonia (a), temperature (b), extraction time (c), liquid-solid ratio (d), concentrations of alcohol (e), and times of extraction (f) on the total alkaloids extraction ratio.

(a)

(b)

(c)

(d)

(e)

(f)