Wholesale High Activity Food Grade Pepsin Enzyme Powder - China Suppliers & Factory Direct Offer Manufacturers, Suppliers

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Product NamePepsin
AppearanceWhite to Light Yellow Powder
Specification3000 u/g    10,000 u/g  Food Grade
StandardISO 9001, FCC, EP, USP
Free SampleAvailable
Product NamePepsin
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Explore the benefits of our high-quality pepsin, a premium product from China. As leading suppliers and an established factory, we offer food-grade pepsin with rigorous standards, including ISO 9001, FCC, EP, and USP certifications. Interested in our products? Contact us today for free samples!

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Product Description

Product Description

pepsin 1

Pepsin is a digestive protease secreted by gastric chief cells in the stomach. These cells secrete pepsinogen, which is then converted into pepsin when activated by gastric acid or existing pepsin. Pepsin is not produced directly by the cells.

Its function is to break down dietary proteins into small peptide fragments. Some proteins are further decomposed into amino acids such as tyrosine and phenylalanine.

🔹 Product Features:

Pepsin is an endopeptidase with strong protein-digesting ability.

It is mainly extracted from porcine gastric mucosa, and the product meets food-grade and pharmaceutical-grade standards.

Application of Pepsin

💊
Pharmaceutical Industry

Health products and medications to assist protein digestion, relieve indigestion, and improve nutrient absorption.

🍽️
Food Industry

Applied in protein hydrolysis, cheese production, prepared meat products, and seafood processing to enhance flavor and texture.

🌿
Health & Nutritional Supplements

Dietary supplements to support gastrointestinal function and promote efficient protein breakdown.

Applications-of-pepsin

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

Conditions of Use

⚗️ The optimal working pH for pepsin is 1.5–5.0. In neutral or alkaline solutions, pepsin will denature and lose its activity.
🔬 Recommended conditions for protein hydrolysis: dosage 5–15 U/g of dry protein, hydrolysis temperature 40–50 °C, hydrolysis time 2–4 hours, pH 2.0–2.5.
💊 For pepsin tablets, the suggested activity is 100–300 U per tablet. For digestive enzyme products, the recommended enzyme activity is 50–100 U per serving.

Storage

❄️ Store in a cool, dry place away from light.
🌡️ Recommended storage temperature: below 0 °C.
⚠️ Enzyme activity may decrease to varying degrees if stored for an excessively long time or under unfavorable conditions. If temperature or humidity is too high, a proper increase in dosage is advised during application.
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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)

Q What is pepsin and how is it produced?
Pepsin is a digestive protease secreted by gastric chief cells in the stomach. It is not produced directly — cells secrete pepsinogen, which is then activated into pepsin by gastric acid or existing pepsin. Commercially, it is mainly extracted from porcine gastric mucosa and is available in food-grade and pharmaceutical-grade standards.
Q What is the optimal pH range for pepsin activity?
The optimal working pH for pepsin is 1.5–5.0. In neutral or alkaline solutions, pepsin will denature and completely lose its enzymatic activity. For protein hydrolysis applications, a pH of 2.0–2.5 is most commonly recommended.
Q What industries use pepsin and for what purposes?
Pepsin has broad applications across multiple industries: in the pharmaceutical industry it aids protein digestion and treats indigestion; in the food industry it is used for protein hydrolysis, cheese production, meat processing, and seafood preparation; and in nutritional supplements it supports gastrointestinal function and efficient protein breakdown.
Q What are the recommended conditions for using pepsin in protein hydrolysis?
For protein hydrolysis, the recommended conditions are: dosage 5–15 U/g of dry protein, hydrolysis temperature 40–50 °C, hydrolysis time 2–4 hours, and pH 2.0–2.5. For pepsin tablets, the suggested activity is 100–300 U per tablet; for digestive enzyme products, 50–100 U per serving is recommended.
Q How should pepsin be stored to maintain its activity?
Pepsin should be stored in a cool, dry place away from light. The recommended storage temperature is below 0 °C. Enzyme activity may gradually decrease if stored for too long or under unfavorable conditions such as high temperature or humidity. Under such circumstances, it is advisable to increase the dosage appropriately during application. Shelf life is 1 year when properly stored.
Q What packing options and delivery methods are available?
Pepsin is available in 1 kg bags (double plastic bag + aluminum foil bag inside a box) and 10 kg, 25 kg or larger quantities in drums or cartons with double inner plastic bags. Delivery options include EMS, DHL, UPS, and FedEx for small shipments (1–25 kg, 3–7 days door to door), air freight for medium to large orders, and sea freight for orders over 100 kg (10–35 days, door to port).

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