2. What pectin is decomposed into by pectinase.

3. Pectinase is an enzyme that can only decompose pectin.

4. Pectin is produced by pectinase.

1. Pectinase hydrolyzes pectin and mainly produces β-galacturonic acid.

2. Pectin, a polysaccharide.

3. Pectin is widely used in food industry. A proper amount of pectin can gel ice cream, jam and fruit juice.

4. Pectinase refers to the enzyme that decomposes the main components of plants and pectin.

5. Pectinase is widely distributed in higher plants and microorganisms.

6. It can be divided into three categories.

7. Pectinase esterase and polygalacturonase exist in higher plants and microorganisms, and another kind of pectin lyase exists in microorganisms, especially some pathogenic microorganisms that infect plants.