Product Name: | Rennet |
Other Name: | lab; lab ferment; rennin; renninum; chymosin |
Product specification: | 20,000 u/g |
Appearance: | White to yellowish powder |
Solubility: | It is soluble in water, and the aqueous solution is pale yellow liquid |
Storage method: | It is recommended to store in a cool and dry environment and keep away from light. Storage temperature: below zero. If the temperature and humidity are too high, it is necessary to increase the dosage of enzyme. |
Shelf life: | 12 months |

Safety Instructions:
For individuals with sensitivities, direct exposure to high concentrations of enzyme powder or mist may trigger allergic responses. Prolonged contact may cause irritation to the skin, eyes, and mucous membranes. It is advisable to wear protective gear such as masks and eye protection during handling. In the event of spillage, promptly manage remaining enzyme powder. Larger spills should be gently returned to their containers, while smaller amounts can be cleaned via vacuuming or water immersion.
Rennet is a bioactive agent, susceptible to inhibition and destruction by heavy metal ions (Fe3+, Cu2+, Hg+, Pb+) and oxidants. To preserve its efficacy, avoid contact with lysozyme during storage or usage.
Limits of heavy metals and microbial indicators | ||
Item | Standard | Test method |
Pb (mg/kg) | 5.0 | GB5009.75 or GB5009.12 |
As (mg/kg) | 3.0 | GB5009.11 |
Total bacterial count (CFU/g or CFU/ml) | 50000 | GB4789.2 |
Coliform (CFU/g or CFU/ml) | 30 | GB4789.3 |
Escherichia Coli (CFU/g or CFU/ml) or (MPN/g or MPN/ml) | 10 or 3.0 | GB4789.38 |
Salmonella( 25g or 25ml) | Negative | GB4789 .4 |
The product quality is in line with GB1866.174-2016, FCC, USP/NF | ||
Rennet is essential in cheese production, adeptly curdling fresh cheese, reducing cheese ripening times, and effectively managing casein hydrolysis. By preventing excessive breakdown leading to bitter peptides, and minimizing protein and fat loss, it ensures a high yield of quality cheese.

Packing | 1kg/bag ,25kg/bag;25kg/drum; according to your requirements |
| Transit | Fedex, TNT,DHL,EMS,and so on. |
| Port | Shanghai/Tianjin/Dalian/Beijing/Xi'an |
| Lead Time | 3-5 working days upon received the payment |
| For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |

Hefei July Biotechnology Co., Ltd. has developed a mature and stable trading system, characterized by scale, flexibility, and innovative management. Its well-established marketing network and stellar business reputation have earned high praises from clients. The company has forged strong marketing partnerships with numerous manufacturers and clientele globally.
Specializing in chemical raw materials such as API, pharmaceutical intermediates, plant extracts, health care ingredients, vitamins, food additives, and cosmetic additives, our products cater to the pharmaceutical, chemical, and food industries, among others. We invite consultations and are committed to meeting the evolving economic and social demands. Our products enjoy widespread recognition and trust. We warmly welcome new and returning customers from all sectors to connect with us for future collaborations and mutual success.



1.What's the MOQ?
Usually1kg. It is based on the different product. Some are lg and some are 1 ton. Please be free to consult our salesman.
2. What's the shipping time?
If in stock, we will ship it out immediately. By FedEx will be 3~5 days to you.
3. If I need less than the MOQ, is it possible?
Yes. Please be free to consult our salesman.
4. Can you supply the free sample?
Usually it is possible. but the shipping cost be paid bycustomers. It based on the differentproduct.Please be free to consult our salesman.
5. How to store the product?
Store in cool and dry place. It must be in well closed containers. The shelf life will be 2 years.
6. What's your main payment method?
T/T, trade assurance, west union, money gram.
7: Do you have COA, MSDS, co, Health certificate, form 9 or other certificate?
Yes, we have. pls be free to contact us to get updated one.








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