Infrared Spectrum Analysis of Goji Berry during Electrohydrodynamic Drying

Figure 5

First-order infrared spectrum peak intensity ratio of dried goji berry with different needle spacings. (a) The absorption peak intensity ratios of 3425 cm⁻¹/2925 cm⁻¹ and 3425 cm⁻¹/1601 cm⁻¹. (b) The absorption peak intensity ratios of 2925 cm⁻¹/2852 cm⁻¹ and 2925 cm⁻¹/1601 cm⁻¹.

(a)

(b)