Novel Combined Freeze-Drying and Instant Controlled Pressure Drop Drying for Restructured Carrot-Potato Chips: Optimized by Response Surface Method

Figure 4

Scanning electron microscopy (SEM) of the restructured carrot-potato chips with different amount of carrot. (a) FD-DIC dried restructured carrot-potato chips with 30% carrot; (b) FD-DIC dried restructured carrot-potato chips with 50% carrot; (c) FD-DIC dried restructured carrot-potato chips with 70% carrot; (d) FD-dried restructured carrot-potato chips with 50% carrot.