2.8. Transparency evaluation
SJ transparency was evaluated through sensory assessing. It was defined as T++ (most transparent), T+ (medium transparent), and T0 (Not transparency) according the result of macroscopic observation.
2.9. Statistical analysis
All experiments were conducted in triplicate (n = 3). Significant differences were determined by t-tests at p < 0.05. Data were presented as mean ± SD.