High Purity Nutritional Supplements L-Cystine Cosmetic Grade

• Customization: Available
• Type: Cystine
• Chemical Character: Acidity
• Model NO.: L-Cystine
• Appearance: Powder
• Storage Method: Normal
• Nutrient Composition: Amino Acid
• Color: White
• Resource: Chemosynthesis
• Grade: Feed Additives
• Shelf Life: >12 Months
• Transport Package: Bag
• Specification: 99%
• Trademark: zhuofeng
• Origin: China
• HS Code: 293090909
• Production Capacity: 10000tons

Product Description

Cysteine is white crystal or crystalline powder, soluble in water, slightly smelly. The molecular formula of L-cysteine is C3H7NO2S, which belongs to non-essential amino acid, and it is an isomer of cysteine , which can be converted from methionine.

Items	Specifications	Results
Appearance	white powder	Confirm
Odor& Taste	Characteristic	Confirm
Loss on drying	≤8.0%	2.8%
Assay(HPLC)	98.0% min	99.2%
Ash	≤1.0%	0.35%
Heavy Metal	≤10 ppm	Confirm
As	≤1.0ppm	Confirm
Pb	≤1.0ppm	Confirm
Cd	≤1.0ppm	Confirm
Hg	≤0.1ppm	Confirm
Total plate count	≤1000 cfu/g	Confirms
Yeast&Mold	≤100 cfu/g	Confirms
E.Coli	Negative	Negative
Salmonella	Negative	Negative
Staphylococcus aureus	Negative	Negative

1. In terms of cosmetics: it is used to produce perm essence, sunscreen, perfume, hair nourishing essence, etc. This high-grade perm essence and cold perm essence,  have the advantages of easy perm, easy to maintain hairstyle, soft and not It can also make sunscreen and hair growth perfume;
2. In medicine: cysteine is mainly used in liver medicine, antidote, expectorant and other medicines. Cysteine and its derivatives can be used for liver poisoning and detoxification, antipyretic and analgesic, ulcer treatment, fatigue recovery, infusion and comprehensive amino acid preparations, etc., especially for expectorant; treatment of bronchitis and phlegm.
3. In food: bread fermentation accelerator, preservative. Cysteine is used as a fermentation aid, an antioxidant and stabilizer for milk powder and fruit juice, and a nutritional additive for pet food, etc.;
4. L-cysteine can be used as a raw material for the production of N-acetyl-L-, carboxymethylcysteine and other cysteine derivatives.
5. Accelerate the formation of gluten and prevent aging; used in natural fruit juices to prevent the oxidation and browning of VC; prevent radiation damage.

 

1. Inside lining plastic bag, middle vellum bag, skin chemical fibre weaving bag, packaging of 25kg.
2. Inside lining plastics bag, skin complex container bag, 25kg of packaging.
3. Inside lining plastics bag, skin chemical fibre weaving bag, 1000kg of packaging.

1, DHL Express, FEDEX and EMS for quantity less than 50KG, usually called as DDU service; 2, Sea shipping for quantity over 500KG; and air shipping is available for 50KG above;
3, For high value products, please select air shipping and DHL express for safe;
4, Please confirm if you can make the clearance when goods reach your customs before placing an order, for buyers from Mexico, Turkey, Italy, Romania,Russia, and other remote area