Grade: Pharmaceutical Grade

Factory Location: Xiamen, Fujian

Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East

Monthly Production Capacity: 1000kg

Packaging Information: 25kg/drum 1kg/bottle

Delivery Lead Time: 7 days after payment

Sample Provided: yes

Payment Terms: L/L

Product name	L-Cysteine Base
CAS No.	52-90-4
Molecular Formula	C3H7NO2S
Molecular Weight	121.16
Quality Standard	99% up by HPLC, AJI97
Appearance	White powder

 

COA of L-Cysteine Base

 

ANALYSIS	SPECIFICATION	RESULTS
Appearance	White crystal powder	Complies
Odor	Characteristic	Complies
Tasted	Characteristic	Complies
Assay	99%	99.56%
Sieve Analysis	100% pass 80 mesh	Complies
Loss on Drying	5% Max	1.02%
Sulphated Ash	5% Max	1.3%
Extract Solvent	Ethanol & Water	Complies
Heavy Metal	5ppm Max	0.5 ppm
As	2ppm Max	0.01 ppm
Residual Solvents	0.05% Max.	Negative
Microbiology
Total Plate Count	1000/g Max	235/g
Yeast & Mold	100/g Max	46/g
E.Coli	Negative	Negative
Salmonella	Negative	Negative

 

Usage

 

Function of L-Cysteine Base

1. In cosmetics: used in the production of perm essence, sunscreen, perfume, hair nourishing essence, etc. This kind of advanced perm essence and cold perm essence, which replaces thioglycolic acid with cysteine, is easy to perm, easy to maintain hairstyle, soft and not It can also prepare 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 reduction.

3. In food: bread fermentation accelerator, preservative. Cysteine is used as fermentation aid, antioxidant and stabilizer for milk powder and fruit juice, and nutritional additive for pet food;

4. L-cysteine can be used as the raw material for the production of N-acetyl-L-, carboxymethyl cysteine and other cysteine derivatives.

5. Accelerates the formation of gluten and prevents aging; it can be used in natural fruit juice to prevent the oxidation and browning of VC; it has detoxification effects on acrylonitrile and aromatic acidosis. Prevent radiation damage.

Application of L-Cysteine Base

1) Mainly used in cosmetics and other aspects.
2) Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.
3) Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.