1. Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Medan, Indonesia
2. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, Indonesia
3. Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, Indonesia
4. Department of Hydrogen Energy Systems, Graduate School of Engineering, Kyushu University, Fukuoka, Japan
5. Research Center for Food Technology and Processing, National Research and Innovation Agency, Gunungkidul, Yogyakarta, Indonesia