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Home > Hot Products > China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
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China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter
China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter

China Papain Enzyme from Unripe Papaya Extract - Quality Food Additive from China Suppliers and Factory Supplier, Exporter

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Product Name

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Papain Enzyme

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Source

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Unripe Papaya Fruit

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Appearance

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White to Light Yellow Powder

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Specifications

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Powder: 50,000 u/g to 3,000,000 u/g

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Liquid: 50,000 u/ml to 800,000 u/ml

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Standards

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ISO 9001, FCC, EP, USP

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Free Sample

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Available

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Discover high-quality Papain Enzyme sourced from unripe papaya fruit, offered by one of the leading China suppliers. Our Papain Enzyme is available in both powder and liquid forms, with specifications ranging from 50,000 u/g to 3,000,000 u/g for powder and 50,000 u/ml to 800,000 u/ml for liquid. Manufactured in our state-of-the-art factory, you can trust that our product meets rigorous standards including ISO 9001, FCC, EP, and USP. Additionally, we provide free samples for you to experience the quality of our enzyme before making a purchase. Contact us today to learn more about our Papain Enzyme and how we can meet your needs!

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Send Inquiry

Product Description

Product Description

Papain 1

Papain is a natural enzyme product extracted from unripe papaya fruit using bioengineering technology. It possesses both protease and esterase activities with broad substrate specificity, offering strong hydrolysis capabilities towards animal and plant proteins, polypeptides, esters, and amides. It also exhibits synthetic activity, enabling the recombination of protein hydrolysates into protein-based substances. This property can be used to improve the nutritional value and functional properties of animal and plant proteins.

As a natural enzyme preparation, papain is a protein. Consuming food products containing this enzyme is as safe and beneficial to human health as eating protein-rich foods.

Product Specification

Product Name Type Enzyme Activity Appearance
Papain Powder 50,000 u/g to 3,000,000 u/g Light yellow or white powder
Liquid 50,000 u/ml to 800,000 u/ml Light yellow liquid

Certificate of Analysis

Product Name: Papain Part Plant: PAPAYA
Origin: China Manufacturer Date: 2026-01-23
Batch No.: SH260123PA6 / /
ITEMS OF ANALYSIS SPECIFICATIONS RESULTS
Appearance Odor Activity of enzyme Loss on drying Loss on ignition Heavy metals (as Pb) Heavy metals (as As) White Powder Free of offensive odours ≥6,000USP U/mg ≤5.0% ≤5.0% ≤2.0mg/kg ≤2.0mg/kg Conform Conform 6,761USP U/mg 2.31% 1.91% ＜2.0mg/kg ＜2.0mg/kg
Microbiology
Total Plate Count E.Coli Salmonella Yeast and Mould <10,000cfu/g None detected in 10g None detected in 10g NMT 100 cfu/g <500cfu/g Absent Absent Conform
Storage STORED HUMIDITY PROTECTED (RH LESS THAN 60) AT TEMPERATURE BELOW 25℃
Shelf Life 1 Year when Properly Stored
Our products comply with international food safety standards. We provide papain with various enzyme activity units according to customer requirements, including TU/mg, USP unit/mg, IU/mg, and MU/mg.

Functions & Applications

🍖 Food Industry
Papain widely used for the hydrolysis of animal and plant proteins from chicken, pork, beef, seafood, blood products, soybeans, peanuts, etc. It serves as a meat tenderizer, wine clarifier, biscuit loosening agent, noodle stabilizer, health food ingredient, as well as for soy sauce brewing and alcohol fermentation. It improves food nutritional value while reducing production costs.
🍪 Biscuit Industry
Reduces the wet gluten strength of dough, improves dough plasticity and physical/chemical properties, corrects flavor impacts from chemical additives, and effectively enhances biscuit quality.
💊 Pharmaceutical Industry
Medicines containing papain, such as papaya throat lozenges, enteric-coated tablets/capsules, and buccal tablets, provide anti-inflammatory, cholagogic, analgesic, digestive, and immune-boosting effects.
🧵 Textile & Leather Industry
Used for wool shrinkage control and to make leather fine and glossy.
🐄 Feed Industry
Improves feed utilization rate, reduces feed costs, stimulates appetite, and promotes animal growth.
🧴 Daily Chemical Industry
Used in soaps, detergents, hand sanitizers, etc., with strong decontamination and disinfection effects. It can also be added to oral care products.
✨ Cosmetics Industry
Papain acts on aged cuticles of human skin to promote decomposition and shedding. It inhibits melanin production and provides whitening and anti-freckle effects.
Applications of papain

Key Advantages

✅ High Activity Selected premium raw materials ensure stable enzyme activity.
✅ Natural & Pure Proprietary enzyme protection technology developed in-house; papain activity exceeds 3,500,000 units per gram.
✅ Technical Support Ultrafiltration technology is adopted for efficient separation of papain, with a protease recovery rate of over 90%.
✅ Direct from Factory Own manufacturing facility; supports customized specifications.
✅ Global Compliance Certified by FCC, FDA, HALAL, KOSHER, and more.
⚗️ Conditions of Use Effective pH range: 3.5–9  |  Optimum pH: 5–7
Effective temperature range: 20–80°C  |  Optimum temperature: 55–60°C
📏 Dosage: 2–3‰ The optimal dosage should be determined based on actual production conditions. For details, please consult technical support.
❄️ Storage Storage temperature: 0–25°C. Store in a cool, dry place away from light; refrigeration is recommended to preserve enzyme activity.

Extended storage or unfavorable conditions may reduce enzyme activity. If stored under high temperature or humidity, the dosage should be increased appropriately during use.
Production Workshop 1
Production Workshop 2
Production Workshop 3

Packing

Weight Packing Method
1kg bag/kg, box outside (double plastic bag + Aluminum foil bag inside)
10kgs, 25kg or more by Drums or carton (2 layers plastic bag inside)
Packaging

Delivery

Weight Delivery Method Delivery Time Destination
1kg – 25kgs EMS, DHL, UPS, FedEx 3–7 days Door to door
25kgs – 100kgs DHL, FedEx, by Air 3–7 days Door to door (to Airport by Air)
More than 100kgs by Air 3–7 days Door to Airport
by Sea 10–35 days Door to port

Logistics

Logistics

Frequently Asked Questions (FAQ)

What is papain and where does it come from?
Papain is a natural proteolytic enzyme extracted from unripe papaya (Carica papaya) fruit using bioengineering technology. It has both protease and esterase activities and can hydrolyze animal and plant proteins, polypeptides, esters, and amides.
What enzyme activity levels do you offer for papain?
We offer papain in powder form with activity ranging from 50,000 u/g to 3,000,000 u/g, and in liquid form from 50,000 u/ml to 800,000 u/ml. Custom activity levels expressed in TU/mg, USP unit/mg, IU/mg, or MU/mg are also available upon request.
Is papain safe for use in food and pharmaceutical products?
Yes. Papain is a natural protein enzyme. Our papain products comply with international food safety standards and are certified by FCC, FDA, HALAL, and KOSHER, making them suitable for use in food, beverage, pharmaceutical, and health supplement applications.
What are the recommended storage conditions for papain?
Papain should be stored at 0–25°C in a cool, dry place away from direct light. Refrigeration is recommended to best preserve enzyme activity. If stored under high temperature or humidity conditions, it is advisable to increase the dosage during use to compensate for potential activity loss.
What is the optimal pH and temperature for papain activity?
Papain is effective across a pH range of 3.5–9, with an optimum pH of 5–7. The effective temperature range is 20–80°C, with an optimum working temperature of 55–60°C.
What packaging options and shipping methods are available?
Papain is available in 1kg bags (double plastic + aluminum foil inner bag) and in 10kg/25kg+ drums or cartons (2-layer plastic inner bag). Shipping options include EMS, DHL, UPS, FedEx for small orders (1–25kg), air freight for mid-sized orders, and sea freight for bulk orders over 100kg, with delivery times of 3–7 days (air) or 10–35 days (sea).

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