Research Article

Syringic Acid Extracted from Herba dendrobii Prevents Diabetic Cataract Pathogenesis by Inhibiting Aldose Reductase Activity

Figure 7

Mass spectra of relative molecular weights of the syringic acid-AR complex by molar ratios of syringic acid to AR. (a) Mass spectra for a molar ratio of syringic acid-AR of 27 : 1; (b) calculated average molecular weight of the syringic acid-AR complex.
426537.fig.007a
(a)
426537.fig.007b
(b)