Research Article

Preparation of Heat-Sensitivity Proteins from Walnut Meal by Sweep Frequency Ultrasound-Assisted Alkali Extraction

Figure 3

Effects of solid-liquid ratio (a), pH value (b), initial temperature (c), and ultrasonic time (d) on the yield and content of walnut protein. The different superscript letters of data under the same line indicate that they are significantly different .
(a)
(b)
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(d)