What is Papain?

Papain is a kind of protease that can decompose proteins in acidic, neutral and alkaline environments. Its appearance is a white to light yellow powder with slight moisture absorption; Papain is soluble in water and glycerin, and the aqueous solution is colorless or light yellow, sometimes milky white; Almost insoluble in organic solvents such as ethanol, chloroform, and ether. Papain is a sulfhydryl (- SH) - containing peptide chain Endonuclease, which has protease and esterase activities, has a wide range of specificity, and has strong hydrolysis ability to animal and plant proteins, peptides, esters, amides, etc., but can hardly decompose peptone.
Papain is most suitable for pH value of 6~7 (generally 3~9.5), and also has effect when it is neutral or slightly acidic, with Isoelectric point (pI) of 8.75; The most suitable temperature for Papain is 55~65 ℃ (generally 10~85 ℃). It has strong heat resistance and will not be completely inactivated at 90 ℃; Inhibited by oxidants, activated by reducing substances.

What are the functions of papain?

Papain is a kind of widely used plant protease. It is pure natural, safe and toxin free. It is widely used in the food processing industry. As a food additive, it has been widely used in beer brewing, meat tenderization and other industries.

1.Pharmaceutical Industry Applications
Drugs containing papain can fight cancer, tumor, lymphoid leukemia, protozoa and parasites, Mycobacterium tuberculosis, etc., and can diminish inflammation, promote gallbladder, relieve pain, and aid digestion. Treatment of gynecological diseases, glaucoma, Hyperostosis, gunknife wound healing, blood type identification, insect bites, etc.

2.Food Industry Applications
Enzyme catalysis can be used to hydrolyze food macromolecule protein into small peptide or amino acid. It is used for hydrolyzing animal and plant protein, making tender meat powder, hydrolyzing sheep placenta, hydrolyzing soybean, biscuit loosening agent, noodle stabilizer, beer beverage clarifier, advanced oral liquid, health food, soy sauce brewing, alcohol Fermentation starter, etc. The effective utilization of protein conversion greatly improves the nutritional value of food and reduces costs. Beneficial for digestion and absorption by the human body.

3.Beauty and cosmetic applications
Adding papain to cosmetics containing protein and oil has unique effects such as whitening and rejuvenation, beauty and health care, removing spots and dirt, promoting blood circulation, and improving skin, thereby improving product quality. It can be made into weight loss tea, beauty and skincare products, etc.

4.Industrial application of daily chemical products
Used for soaps, soaps, detergents, laundry detergent, hand sanitizers, etc., with strong decontamination power, sterilization, and safety.

5.Feed Industry Applications
Used for feed additives, developing protein sources, facilitating absorption, improving feed utilization, saving costs, helping livestock digest, and accelerating growth. If added to feed such as pigs, cows, sheep, chickens, ducks, geese, fish, shrimp, etc. It can also be used as an additive for advanced compound fertilizers for vegetables and fruits.

6.Leather Industry Applications
Using papain to make depilatory agents and tanning leather, it has the effect of delicate pores and bright skin lines.

7.Application in Textile manufacturing
It can be used for processing wool, silkworm pupa degumming, and silk refining, achieving soft, comfortable, anti shrinkage, tensile strength, and other effects.

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