an increasing trendP > 0.05
The a* value showed a significant increase in the MPE and HPE groups ( P < 0.05), while there was an increasing trend in the LPE group compared to the Con group ( P > 0.05).
The a* value showed a significant increase in the MPE and HPE groups ( P < 0.05), while there was an increasing trend in the LPE group compared to the Con group ( P > 0.05).