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. 2021 Jun 10;7(6):e07267. doi: 10.1016/j.heliyon.2021.e07267

Figure 2.

Figure 2

Proposed chemical reaction on the hydrolysis process of microcrystalline cellulose (MCC) with sulphuric acid, a) sulphate ions attacking C-6 in cellulose chain, b) hydrogen ions break pyranose ring, and c) hydrogen ions attacked glycosidic linkages and break the cellulose chains.