Acknowledgement
The authors extend their appreciation to Aica Hatyai Co., Ltd. and Ban Tham Sing Coffee Group Community Enterprise for their generous support in providing raw materials for this research. Special thanks to Rajamangala University of Technology Phra Nakhon (RMUTP) and King Mongkut's Institute of Technology Ladkrabang (KMITL), Prince of Chumphon Campus, for providing the invaluable opportunity to conduct this research.
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