papain

Papain is a natural sulfhydryl protease extracted from papaya latex. It appears as white to light‑yellow powder.

papain

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papain

papain

Alias: Papaya Enzyme
CAS No.: 9001‑73‑4
EC No.: 3.4.22.2
Appearance: White to light‑yellow powder
Optimal pH: 5.0‑7.0; Optimal Temperature: 50‑55℃

Papain is a purified cysteine protease derived from papaya latex. It features broad‑spectrum proteolytic activity, selectively cleaving peptide bonds and degrading substrates such as collagen and elastin. It has good water‑solubility and stable enzymatic performance as a food‑grade enzyme preparation.

We supply various activity grades to fit diverse industrial processing requirements. It is widely applied in food manufacturing, nutraceuticals, cosmetic raw materials, feed processing and biological manufacturing. Small‑batch samples and ton‑scale bulk orders are supported with consistent quality and reliable delivery.


Physical propertiesWhite powder
Enzyme activity60000U/g-2400000U/g,6000 USP U/mg
Odordistinctive smell
Solubilitysoluble in water
Fineness40 mesh, 60 mesh, 80 mesh (Customizable on demand)
Optimal pH value7.0-8.0
Optimal temperature50-55 ℃
Product execution standardsGB1886.174-2016
Addition amount0.1-0.3% (It depends on the actual situation)
Enzymatic hydrolysis timeConventional hydrolysis: 1-6 hours
CertificationHALAL certificate
ISO Quality System Certification
FSSC22000 Food Safety System Certification
Product specificationsInner packaging: 1kg/bag, 5kg/bag, 20kg/bag.
Outer packaging: cardboard box, cardboard drum.
Product specificationsInner packaging: 1kg/bag, 5kg/bag, 20kg/bag.
Outer packaging: cardboard box, cardboard drum.



Food Industry: Meat tenderization; haze removal & clarification for beer and fruit wine; production of protein hydrolysate peptides; baking flour modification.

Dietary Supplements: Digestive‑aid formulations to boost protein digestion.

Cosmetics: Keratin‑regulating raw material for skincare formulations.

Animal Feed: Feed additive to improve protein digestibility for animals.

Biological Processing: Protein hydrolysis, bio‑modification and laboratory research.


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