Optimization of cellulose nanocrystals from bamboo shoots using Response Surface Methodology

Area of Science:

• Materials Science
• Biomaterials Engineering
• Nanotechnology

Background:

• Cellulose nanocrystals (CNC) are promising biomaterials for drug delivery systems.
• Bamboo shoots offer a sustainable source for CNC production.
• Efficient extraction and optimization are crucial for industrial application.

Purpose of the Study:

• To optimize the production of CNC from bamboo shoots using acid hydrolysis.
• To determine the optimal operating conditions for maximizing CNC yield and crystal recovery.
• To validate the optimized process for reliable CNC extraction.

Main Methods:

• Delignification of bamboo shoots using alkali and hydrogen peroxide pretreatment.
• Acid hydrolysis for CNC extraction.
• Response Surface Methodology (RSM) for process optimization.

Main Results:

• Optimized CNC yield of 50.67 ± 0.74% achieved.
• Optimal crystal recovery of 77.99 ± 1.14% obtained.
• Optimum conditions identified as 54.73 wt% sulfuric acid concentration and 39 °C temperature.

Conclusions:

• The study successfully optimized CNC production from bamboo shoots.
• The optimized process demonstrates high yield and recovery, suitable for drug delivery applications.
• Validated results confirm the accuracy and potential of the developed method.