Which Carbohydrate is the Most Abundant? An In-Depth Look at Cellulose
                                
                                
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                                    5 min read                                
                            
                                According to the American Chemical Society, cellulose is the most abundant organic compound on Earth. This complex carbohydrate, which forms the primary building block of plant cell walls, constitutes the planet's vast biomass, unequivocally making it the answer to which carbohydrate is the most abundant.