The moisture content of sugar beet roots accounts for 75%, and the solid content accounts for 25%. Sucrose accounts for 16% to 18% of solid matter, while non sugar substances account for 7% to 9%. Non sugar substances are divided into soluble and insoluble types: insoluble non sugars mainly include cellulose, hemicellulose, pectin, and protein; Soluble non sugars are divided into inorganic non sugars and organic non sugars.
Inorganic non sugar mainly includes salts such as potassium, sodium, magnesium, etc; Organic non sugar can be further divided into nitrogen-containing and nitrogen free. Nitrogen free non sugar includes fat, pectin, reducing sugars, and organic acids; Nitrogen containing non sugars are further divided into proteins and non proteins. Non protein and non sugar mainly refer to betaine, amide, and amino acids.