Table 4. Change of catalpol contents (%) of Rehmanniae glutinosa with heating treatments

100°C 0 h 100°C 4 h 100°C 8 h 100°C 12 h
Catalpol (%) 6.98±0.181)ns2) 7.07±0.79ns 7.07±0.24ns 6.95±0.17ns
Values represent mean±SD of triplicate determinations.
Values with different letters are significantly different (p<0.05).