Fig. 1From: l-Lactic acid production from fructose by chitosan film-coated sodium alginate-polyvinyl alcohol immobilized Lactobacillus pentosus cells and its kinetic analysisa Signal peaks of LA, FT, and glucosamine on 1H NMR Spectrum. b The 1H NMR spectrum from 0.85 ppm to 1.50 ppmBack to article page