DORENCY - Advanced Sorbent Technology Solutions

About DORENCY

Established in Okayama, Japan in 1986, Dorency Corporation has been a manufacturer in sorbent technology for over 30 years. We are engaged primarily in the research, development, and production of oxygen absorbers, oxygen indicators, CO₂ absorbers, alcohol volatiles packs, desiccants, and automatic feeding machines.

Our flagship product — the oxygen absorber — is engineered to cover a wide array of applications across food preservation, pharmaceuticals, electronics, and more. With a commitment to innovation, safety, and sustainability, Dorency continues to lead the industry in extending shelf life and protecting product integrity.

30+

Years of Experience

Global

Market Reach

R&D

Driven Innovation

Our Products

Engineered for performance, safety, and efficiency — Dorency’s sorbent solutions are trusted worldwide for preserving freshness and quality.

Oxygen Absorber

Removes oxygen from sealed environments to prevent oxidation, mold, and spoilage. Ideal for food, pharmaceuticals, and electronics packaging.

• Iron-based, non-toxic formula
• Available in multiple sizes (10cc to 2000cc)
• Compliant with FDA, EU, and JIS standards
• Extends shelf life up to 2x longer

Oxygen Indicator

Visual indicator that changes color when oxygen levels exceed safe thresholds — ensuring package integrity and consumer safety.

• Color shift from pink to blue
• Detects O₂ levels above 0.5%
• Self-adhesive or integrated labels
• Tamper-evident design

CO₂ Absorber

Controls carbon dioxide buildup in modified atmosphere packaging (MAP), preventing package bloating and spoilage.

• Prevents microbial growth
• Ideal for coffee, baked goods, and produce
• Breathable film packaging
• Custom absorption rates available

Alcohol Volatiles Pack

Releases controlled amounts of ethanol vapor to inhibit mold and bacteria in dried foods and seasonings.

• Prevents aflatoxin and yeast growth
• Used in nuts, spices, dried fruits
• Food-grade ethanol source
• No residue or odor transfer

Desiccant

High-efficiency moisture absorber to prevent dampness, corrosion, and degradation in sensitive products.

• Silica gel and clay options
• Available in sachets, canisters, and strips
• Humidity indicator compatible
• Ideal for electronics and medical devices

Automatic Feeding Machine

High-speed, precision equipment for automated insertion of oxygen absorbers and desiccants into packaging lines.

• Up to 120 packs per minute
• Compatible with flow wrap, tray seal, and pouch lines
• Low maintenance, user-friendly interface
• CE and ISO certified

Multi-Gas Absorber

Advanced formulation that absorbs both oxygen and carbon dioxide simultaneously for complex packaging environments.

• Dual-action protection
• Used in meat, seafood, and ready meals
• Maintains optimal gas balance
• Customizable absorption profiles

Pharma Grade Absorber

Specially formulated for sterile and sensitive pharmaceutical packaging to ensure drug stability and compliance.

• ISO 11607 compliant
• Low particulate emission
• Gamma radiation compatible
• Validated for GMP environments

View Full Product Catalog

Why Choose DORENCY?

Our commitment to innovation, quality, and customer support sets us apart in the global sorbent technology market.

Safety First

All Dorency products are non-toxic, food-grade, and comply with international safety standards including FDA, EU, and JIS.

R&D Driven

Over 30 years of continuous research and development ensure cutting-edge performance and reliability in every product.

Global Support

With a presence in Asia, Europe, and the Americas, Dorency provides responsive technical and logistics support worldwide.

Frequently Asked Questions

Insights from our latest research and customer inquiries.

What happens if you eat an oxygen absorber?

No serious problems are likely if an adult accidentally ingests an oxygen absorber. However, acute iron toxicity can occur if a child or pet consumes one. Always keep out of reach and dispose of properly.

Why did my red chili powder turn brown?

This is due to oxidation — in most vegetable matter, enzymes break down phenols into quinones, which polymerize into brown pigments. Using an oxygen absorber prevents this and maintains color and flavor.

How do I choose the right absorber size?

The size depends on the package volume, oxygen permeability of the film, and desired shelf life. Our technical team can assist with calculations and testing.

Are Dorency products recyclable?

Yes, our absorber sachets are made from recyclable materials. We are actively developing compostable and biodegradable options for sustainable packaging.

Get in Touch

Have questions about our products or need technical support? Reach out to our team.

Address: 8F, 1228 Lane, West Yan An Road, Changning District, Shanghai, China

Phone: +86-21-52541062

Email: [email protected]

WhatsApp: 13301643730

Zip Code: 200052

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