Is Amylopectin in Potatoes? The Definitive Guide
                                
                                
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                                    5 min read                                
                            
                                Starch, which makes up about 15–20% of a fresh potato's weight, is composed of two main polysaccharides: amylose and amylopectin. The answer to "Is amylopectin in potatoes?" is a definitive yes, as it is the major component of potato starch. This highly branched molecule is responsible for many of the physical and nutritional properties that distinguish one potato variety from another.