Introduction

Cysteine is a sulfur-containing amino acid widely used in food processing, dietary supplements, pharmaceutical formulations, and cosmetic applications.

Parameters

CAS No.	7048-04-6
Purity	99%
Type	amino acid
Place of Origin	Shandong, China
Classification	amino acid
Other Names	L-CYSTEINE HYDROCHLORIDE
MF	C6H12ClNO2S
EINECS No.	\
Grade Standard	Food Grade
Appearance	White powder
Application	Food Additives
Certificate	HALAL KOSHER ISO
Packing	25kg/drum, or by customer demands
MOQ	27 MT
Sample	Available
Shelf life	2 years
Packaging & Delivery	Selling Units: Single item

How L-Cysteine Works

Food Industry
L-Cysteine reduces dough mixing time, improves dough extensibility, and enhances processing efficiency.

Nutritional Applications
As a precursor of glutathione, L-Cysteine supports antioxidant systems and amino acid supplementation.

Pharmaceutical Industry
Used as an intermediate and functional ingredient in various pharmaceutical formulations.

Quality Assurance

Raw Material Inspection
Every batch undergoes incoming material verification.

In-Process Control
Critical production parameters are monitored throughout manufacturing.

Final Product Testing
Finished products are tested before release.

Traceability System
Each batch can be traced from raw material sourcing to final shipment.

Packaging & Storage

Packaging Options
25kg Fiber Drum
25kg Kraft Paper Bag
Customized Packaging

Storage Conditions
Store in a cool, dry, and well-ventilated area away from direct sunlight.

Shelf Life
24 Months under recommended storage conditions.

Why Partner with Us

Scalable Production

Annual output of 400000MT, guaranteeing uninterrupted supply chains for large-scale buyers.

Strict Quality Control

Equipped with in-house HPLC labs; batch-to-batch consistency with fully traceable raw materials.

Global Compliance

Fully certified with ISO9001, HACCP, Halal, and Kosher. Third-party pre-shipment inspections (SGS/BV) are warmly welcomed.

Flexible OEM/ODM

Tailored particle sizes (mesh ranges) and customized packaging solutions to fit your specific formulation requirements.

FAQ

Q: What is the purity of your L-Cysteine?

A: Our L-Cysteine is manufactured under strict quality control standards. Typical assay values range from 98.5% to 101.0%, depending on the applicable specification and customer requirements. A Certificate of Analysis (COA) is provided for each batch.

Q: How is L-Cysteine used in bakery applications?

A: L-Cysteine acts as a dough conditioner and reducing agent. It helps improve dough extensibility, shortens mixing time, enhances processing efficiency, and supports consistent product quality in industrial baking operations.

Q: Is your L-Cysteine suitable for food applications?

A: Yes. Our food-grade L-Cysteine is produced according to applicable food safety and quality standards. It is suitable for use in bakery products, flour improvers, seasonings, and other food applications where permitted by local regulations.

Q: Can your L-Cysteine be used in dietary supplements?

A: Yes. L-Cysteine is widely used as a nutritional ingredient in amino acid supplements, antioxidant formulations, and wellness products. It is often included in products designed to support glutathione synthesis and overall nutritional balance.

Q: How do you ensure product quality?

A: Our quality management system includes raw material inspection, in-process monitoring, finished product testing, and batch traceability. Each production batch undergoes comprehensive quality verification before shipment.

Q: Can you provide samples for evaluation?

A: Yes. Samples are available for laboratory testing, formulation development, and quality evaluation. Sample size and shipping arrangements can be discussed based on project requirements.

Q: What is your minimum order quantity (MOQ)?

A: MOQ depends on product grade, packaging requirements, and destination market. Please contact us with your specific purchasing requirements for detailed information.

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