1. Different structures:

1. Amylose is a polysaccharide chain in which D-glucosyl groups are connected by a-(1,4) glycosidic bonds. There are about 200 in the molecule. Glucose group, molecular weight 1 ~ 2 × 105, degree of polymerization 990, spatial conformation curled into a spiral, each rotation is 6 glucose groups;

2. Amylopectin molecules are relatively large, consisting of several thousand composed of glucose residues. In addition to α-1,4-glucosidic bonds connecting the glucose molecules in amylopectin, there are also α-1,6-glucosidic bonds connected to each other, so they are branched.

2. The color of reaction with iodine is different:

1. Amylose is blue;

2. Amylopectin is reddish brown.

3. Different properties:

1. Amylopectin has poor adhesion and stability;

2. Amylopectin has strong adhesion and stability .

Uses of amylopectin:

1. It is widely used as a sustained-release agent, carrier, etc. Such as: medicine, flavors, dyes and other fields.

2. Used as adhesive and thickener.

2. As a moisturizer, thickener, etc., used in the field of personal care products.

For the above content, please refer to Baidu Encyclopedia-Amylose, Baidu Encyclopedia-Amylopectin