Application of Calcium Chloride-Sodium Alginate to Improve the Texture of Quick-Frozen Heracleum moellendorffii

Figure 4

Microscopic observation of stems epidermal cells of Heracleum moellendorffii. (a) A fresh sample; (b) a fresh sample after thawed; (c) a sample soaked in water at 50°C; (d) a soaked sample in water after thawed; (e) a sample soaked with a texture retaining agent at 50°C; (f) a sample soaked with a texture retaining agent at 50°C. The “index 1” represents the fluorescence and bright field superposition; the “index 2” represents the fluorescence; the “index 3” represents the bright field.

(a)

(b)

(c)