Fig. 1. Triangle diagram of food additive mixture sample preparation

Fig. 2. Absorbance spectra of mixtures of benzoic acid and xylitol

Fig. 3. Quantitative analysis results of binary food additive mixtures. (a) Quantitative analysis results of binary mixtures of benzoic acid and xylitol; (b) quantitative analysis results of binary mixtures of benzoic acid and sorbic acid; (c) quantitative analysis results of binary mixtures of sorbic acid and xylitol

Fig. 4. Absorbance spectra of benzoic acid, sorbic acid, xylitol, and ternary mixture

Fig. 5. Quantitative analysis results of benzoic acid in ternary food additive mixtures

Table 1. Quantitative analysis results of various food additives in ternary mixture