Research Article

Optimization of Bioactive Ingredient Extraction from Chinese Herbal Medicine Glycyrrhiza glabra: A Comparative Study of Three Optimization Models

Figure 5

(a) Learning performance curve for the whole data, and the best training performance is 0.6493 at epoch 208. (b) Experimental and BPNN predicted results for glycyrrhizic acid for the whole data. The number of hidden neurons of BPNN is 4, and the correlation coefficient is .
(a)
(b)