Food and Nutrition Ingredients

Food and Nutrition Ingredients


  • Botanical Source: Green Papaya Extract
  • Appearance: White Powder
  • CAS No: 9001-73-4
  • Molecular Weight: 21000
  • Solubility: Soluble In Water
  • Specification: 300000u/g, 600000u/g by UV


Papain is a low-specificity proteolytic enzyme contained in papaya. It widely exists in the roots, stems, leaves and fruits of papaya, and is most abundant in immature milk.

Papain belongs to sulfhydryl protease, and the active site contains cysteine. It has the characteristics of high enzyme activity, good thermal stability and safety. Papain is widely used in food, medicine, feed, chemical industry, cosmetics, leather, textile and other industries.

Product Name Papain
Botanical Source Green Papaya Extract
Appearance White Powder
CAS No 9001-73-4
EINECS No 232-627-2
Molecular Weight 21000
Solubility Soluble In Water
Specification 300000u/g, 600000u/g by UV
Certified Kosher, HALAL, FDA, ISO
Storage Cool Dry Place

Papain Features

  • High efficiency

The catalytic efficiency of enzyme is higher than that of inorganic catalyst, which makes the reaction speed faster.

  • Specificity

Enzymes are specific to the substrates they can catalyze. For example, protease only catalyzes the hydrolysis of proteins into peptides.

  • Diversity

There are over 4000 different types of enzymes.

  • Mild

Catalyzed chemical reactions usually occur under more favorable conditions.

  • Regulation of activity

Inhibitor and activator regulation, feedback inhibition regulation, covalent modification regulation, and allosteric regulation.

  • Variability

Since most enzymes are proteins, they will be destroyed by high temperature, strong acid, strong alkali, etc.

Papain Function

  • Disease diagnosis

With the in-depth research and understanding of enzymes, the complex enzymes rich in high concentration of SOD have more and more remarkable conditioning effects on diseases.

  • Clinical treatment

Enzyme therapy has gradually been recognized by people, and various enzyme preparations are more and more widely used in clinical practice. Such as trypsin, chymotrypsin, etc., they can catalyze the decomposition of proteins.

This principle has been used in surgical dilation and wound cleansing, wound cleansing, and treatment of serous adhesions in the thoracoabdominal cavity.

  • Production and living

Yeast used in the brewing industry is produced by related microorganisms. Under the action of enzymes, starch is hydrolyzed, oxidized, etc., and finally converted into alcohol. The production of soy sauce and vinegar is also completed under the action of enzymes.

The nutritional value of feed treated with amylase and cellulase was improved. Adding enzymes to laundry detergent can improve the use efficiency of laundry detergent and allow the original sweat stains to be easily removed.

Papain Application

Food processing industry

  • Meat tenderizer

It can crack the collagen and muscle fibers in the meat, loosen the structure of the meat, and make it easy for the human body to digest and absorb after eating.

  • Biscuit Crisper: 

The enzymatic reaction of papain can degrade the protein of the dough into small skins or amino enzymes, which can reduce the tensile strength of the dough, make the dough softer, more plastic, less elastic, and easy to shape.

  • Beer clarifier: 

Papain in beer clarifiers has broad specificity for turbid proteins and can degrade macromolecular proteins into small molecules, thereby increasing the solubility of protein and polyphenol complexes.

On the other hand, it is a biologically active protein that forms a stable state equilibrium with polyphenols, which prevents beer from clouding in cold storage.

In cosmetic and chemical industry

It dissolves fat and softens the skin. Also, it helps to remove dead cells and keep skin healthy. This is why papain is so widely used in beauty products.

Papain Dosage

If people are taking papain as a supplement, for children (4 years and older), the recommended dose is 100 mg per day. For adults, the recommended dose is 200-300 mg per day.

How To Buy Papain?

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