Determination and Quantification of 5-Hydroxymethylfurfural in Vinegars and Soy Sauces

Figure 1

(a) A representative standard solution. (b) A representative vinegar sample. (c) A representative soy sauce sample; standard 5-hydroxymethylfurfural (HMF) (d) determined by high-performance liquid chromatography (HPLC) spectrograms (284 nm).

(a)

(b)

(c)

(d)