The quality of a food ingredient depends on more than how it was produced. Once an ingredient leaves the manufacturer, appropriate packaging, storage and handling play an important role in preserving its safety, functionality and shelf life.

Whether storing gluten-free flours, seeds, proteins or specialty ingredients, maintaining suitable environmental conditions helps reduce the risk of contamination, moisture uptake and quality deterioration throughout the supply chain.

This guide outlines practical packaging and storage considerations commonly adopted across the food manufacturing industry.

Why Packaging & Storage Matter

Packaging serves an important purpose beyond simply containing a product. It protects ingredients from environmental conditions that may affect their quality during storage, transport and handling, while helping maintain product integrity throughout the supply chain.

The most appropriate packaging depends on the characteristics of the ingredient being stored. For example:

• Moisture-sensitive ingredients may require moisture-resistant packaging to prevent clumping and quality deterioration.
• Oil-rich ingredients, such as flaxseed (linseed), hemp, almond meal and coconut products, often benefit from packaging that limits exposure to oxygen and light to help reduce oxidation (rancidity).
• Powders and fine ingredients should be packaged to minimise dust loss, moisture ingress and the risk of contamination during handling.
• High-value or sensitive ingredients may require multi-layer packaging or tamper-evident seals to better protect product integrity throughout transport and storage.

Selecting packaging that is appropriate for the ingredient helps reduce exposure to moisture, oxygen, light, physical damage, pest activity and unintended cross-contact.

Combined with suitable storage conditions and careful handling, effective packaging helps preserve ingredient functionality, maintain shelf life and support consistent manufacturing outcomes.

Factors That Can Affect Ingredient Quality

Food ingredients naturally change over time. The rate of change depends on the characteristics of the ingredient and the conditions under which it is stored.

Moisture

Excess moisture may contribute to clumping, microbial growth, mould and reduced ingredient functionality.

Temperature

Elevated temperatures can accelerate oxidation, reduce shelf life and increase the risk of insect activity in susceptible products such as rice flour, wholegrain flours and pulse flours.

Oxygen

Repeated exposure to air after opening may reduce freshness and contribute to oxidation, particularly in ingredients naturally rich in oils or fats.

Light

Exposure to direct sunlight or strong artificial light may contribute to degradation of certain vitamins, pigments and fats.

Humidity & Condensation

Unnecessary temperature fluctuations may create condensation inside packaging, introducing moisture that can reduce ingredient quality and increase the risk of mould.

Pest Activity

Warm storage conditions, inadequate stock rotation or compromised packaging may increase the likelihood of insect activity in susceptible dry ingredients.

Receiving Ingredients – The First Quality Check

Protecting ingredient quality begins when products arrive at your facility. Before ingredients enter storage, manufacturers commonly inspect deliveries for:

• Damaged or punctured packaging
• Moisture or water staining
• Signs of pest activity
• Correct product identification and batch details
• Appropriate remaining shelf life
• Evidence of tampering or contamination

Identifying issues at receival helps prevent compromised ingredients from entering production and supports effective quality assurance and traceability through 

Best Practice Storage Recommendations

Although storage requirements vary between ingredients, many manufacturers follow a number of general best practices:

• Store ingredients in a cool, dry and well-ventilated environment.
• Keep packaging sealed and minimise exposure to air once opened.
• Transfer opened ingredients to clean, food-grade airtight containers where appropriate.
• Protect products from direct sunlight, excessive heat and strong odours.
• Rotate inventory using First In, First Out (FIFO) principles.
• Store ingredients off the floor and away from walls where practical to support cleaning and pest inspections.
• Maintain clear product identification, batch numbers and best-before information after opening.
• Regularly monitor warehouse temperature, humidity and pest activity, particularly during warmer months.

Following supplier storage recommendations helps maintain ingredient quality throughout its intended shelf life.

Packaging Integrity During Transport

Maintaining packaging integrity during transportation is equally important.

Manufacturers and distributors commonly monitor for:

• Damaged or punctured packaging
• Water exposure
• Broken pallet wrapping
• Signs of pest activity
• Incorrect pallet stacking
• Evidence of product tampering

Temperature fluctuations may also affect ingredient stability, particularly during warmer weather or extended freight delays. Even minor packaging damage may compromise ingredient quality if left unaddressed. 

Shelf Life Considerations

Shelf life is influenced by a combination of factors including ingredient characteristics, packaging design, storage conditions and handling practices.

Manufacturers generally establish shelf life through product testing and ongoing quality programs. Once packaging has been opened and exposed to oxygen, storage conditions become increasingly important in maintaining product quality.

Always follow the supplier's recommended storage instructions and use opened ingredients within an appropriate timeframe. Published shelf life generally assumes ingredients have been stored under the recommended conditions throughout transport and storage.

Special Considerations for Food Manufacturers

Allergen Control & Gluten-Free Manufacturing

For manufacturers producing gluten-free foods, effective packaging and storage form an important part of allergen management. Even where gluten-free ingredients have been sourced from approved suppliers, poor storage and handling practices can increase the risk of unintended cross-contact before production begins.

Best practice includes:

• Storing gluten-free ingredients separately from gluten-containing materials wherever cross-contact could occur.
• Maintaining appropriate segregation of other priority allergens, such as tree nuts, peanuts, sesame, soy and dairy, in accordance with the site's food safety program.
• Keeping storage areas clean, organised and clearly identified.
• Protecting ingredients from damaged or compromised packaging.
• Maintaining product identification, batch traceability and stock rotation throughout storage.

In gluten-free manufacturing, protecting ingredient integrity doesn't begin on the production line—it begins the moment ingredients are received and continues throughout storage, handling and transport.

Protecting Ingredients from Oxidation & Rancidity

Some dry ingredients naturally contain higher levels of oils or fats, making them more susceptible to oxidation (rancidity) during storage. Products such as flaxseed (linseed), chia, sesame, almond meal, coconut products and other oil-rich ingredients can gradually develop off flavours and aromas if exposed to excessive heat, light or oxygen.

To help preserve freshness:

• Store ingredients in sealed food-grade packaging or airtight containers once opened.
• Minimise exposure to oxygen by resealing packaging promptly after use.
• Keep products in a cool, dry location away from direct sunlight and sources of heat.
• Rotate stock using FIFO and avoid holding opened ingredients longer than necessary.

Always follow the supplier's recommended storage conditions, as some specialty ingredients may have specific handling requirements.

High-Risk Dry Ingredients

Some dry ingredients require closer monitoring due to their susceptibility to insect activity or quality deterioration during storage. Cereal-based ingredients such as rice flour, wholegrain flours and certain pulse flours may present a higher risk, particularly when exposed to elevated temperatures or stored for extended periods.

Regular warehouse inspections, effective stock rotation and maintaining suitable storage conditions help minimise these risks while preserving ingredient quality.

💡 Best Practice Checklist

Good packaging protects more than the ingredient itself—it helps preserve food safety, product quality and shelf life.

To maintain ingredient quality throughout the supply chain:

• Inspect all incoming deliveries before accepting stock.
• Store ingredients under the supplier's recommended conditions.
• Keep packaging sealed and clearly identified after opening.
• Rotate stock using FIFO principles.
• Monitor warehouse temperature, humidity and pest activity.
• Maintain clean, organised storage areas.
• Preserve batch identification and traceability throughout storage.
• Investigate any damaged packaging in accordance with your food safety procedures before use.

Consistent storage and handling practices help maintain ingredient integrity from receipt through to production, reducing quality issues and supporting reliable manufacturing outcomes.

Frequently Asked Questions

How should food ingredients be stored?

Most dry food ingredients should be stored in a cool, dry environment, protected from moisture, heat and direct sunlight while following the supplier's recommended storage conditions. Elevated temperatures can increase the risk of insect activity in susceptible products, particularly cereal-based ingredients such as rice flour and wholegrain flours.

Avoid unnecessary temperature fluctuations that may cause condensation inside packaging, as moisture can increase the risk of mould growth and reduce ingredient quality.

Should opened ingredients be transferred to another container?

Where appropriate, transferring opened ingredients to clean, food-grade airtight containers can help minimise exposure to air and moisture while maintaining product quality. Product identification, batch numbers and best-before information should always remain clearly identifiable to support traceability and stock rotation.

Avoid transferring ingredients into unlabelled containers, as product identification and traceability should always be maintained.

Where ingredients remain in their original packaging, reseal bags as securely as possible after each use by expelling excess air where practical and using an appropriate food-grade closure or heat seal to help maintain product integrity.

Does damaged packaging always mean the ingredient should be discarded?

Not necessarily but usually. The appropriate action depends on the extent and nature of the damage, the ingredient involved, and the manufacturer's food safety and quality procedures. Packaging damage should be assessed for potential risks such as contamination, moisture ingress or foreign matter before the ingredient is accepted or used. Where product integrity cannot be confidently verified, the safest approach is to reject or dispose of the affected product in accordance with the site's quality management system.

Does packaging affect shelf life?

Yes. Packaging materials and storage conditions play an important role in protecting ingredients from environmental factors that influence shelf life, including moisture, oxygen, light and temperature. Maintaining packaging integrity throughout storage and transport helps preserve ingredient quality and supports consistent manufacturing outcomes.

Continue Exploring the Manufacturing Hub

• Understanding HACCP
• Certificate of Analysis (CoA)
• Product Specifications
• Gluten-Free Verification
• Allergen Management
  
• Gluten-Free Ingredient Guide for Australian Food Manufacturers
  

Need Assistance?

Selecting suitable ingredients involves more than choosing the right specification. Appropriate storage, handling and packaging practices also contribute to maintaining ingredient quality throughout the supply chain.

If you have questions regarding the recommended storage conditions for our gluten-free ingredients, our team is happy to assist.

Disclaimer

The information provided in this article is intended as general educational guidance only and should not replace your own quality assurance procedures, regulatory obligations or professional advice. Storage requirements may vary between ingredients and manufacturers. Always refer to supplier documentation and applicable food safety standards when developing or reviewing your own systems.