Improving freeze-dried Cleistocalyx nervosum powder: Influence of maltodextrin addition on physical properties, microstructure, bioactive compounds, and antioxidant activity

Key Points

• Enhanced antioxidant activity observed with maltodextrin addition, indicating its role in improving health benefits.
• Maltodextrin influenced the microstructure and physical properties of the freeze-dried powder significantly.
• Freeze-drying process affects the bioactive compounds, showing the importance of additives like maltodextrin.
• Improved physical properties may enhance storage and usability, potentially leading to increased applications.