Preserving Peanut Quality Under Hermetic Storage
Peanuts travel long distances and often remain in storage for extended periods. During that time, quality loss is a persistent concern. Rising free fatty acids, flavour deterioration and mould risks
Salvia hispanica
Chia
Chia seeds are a premium, nutrient-dense crop where purity, moisture control and food safety are critical. Their exceptional water-absorption capacity makes preservation especially sensitive during storage and long-distance transport.
Although chia seeds contain natural antioxidants that slow oxidation, they remain highly vulnerable to moisture and insect infestation. Their ability to absorb more than twelve times their weight in water makes strict moisture control essential, with safe storage levels at 8% moisture or lower. Transport, particularly in containers, is where most preservation failures occur. Conventional container liners offer limited atmospheric control and high leakage risk, increasing exposure to condensation, cross contamination and pests. As chia is often handled in organic and health-focused supply chains, preserving quality, traceability and compliance without chemical fumigation is a key requirement.
Challenges in chia preservation
Moisture critical
Chia preservation is dominated by moisture sensitivity. Even minor increases in humidity can be absorbed rapidly, leading to clumping, quality loss and increased biological activity. While oxidation is less critical due to natural antioxidants, insect infestation by weevils and moths remains a persistent risk during storage and transport.
Conventional container liners treat cargo as one large unit, making atmosphere control unmeasurable and leaks difficult to detect. This increases the risk of cross contamination and uneven preservation. Temperature fluctuations during transport further increase infestation risks. Maintaining low moisture, stable atmosphere and full traceability across individual units is essential to protect chia quality and safety.
- Moisture absorption
- Insect infestation
- Container condensation
- Cross contamination
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The VacQPack solution for chia
Measured protection
VacQPack preserves chia seeds using bulk-sized Modified Atmosphere Packaging (MAP) with high-barrier EVOH liners that tightly control oxygen and water vapor transmission. Individual pallet units are protected using Vacsacs or outside liners, reducing leakage risk and preventing cross contamination. Vacuum and controlled atmosphere stabilize moisture at safe levels and eliminate insects organically, while temperature is used strategically if infestations are detected. Each package can be monitored, opened, sampled and resealed with full recordkeeping, ensuring phytosanitary compliance, traceability and long-term preservation of chia’s nutritional and commercial value.
- Consistent product quality and taste
- Reduced food loss and waste
- Full control over product safety
- Optimized total cost of ownership (TCO)
- Non-chemical, organic treatment
Discover why customers like to work with us
Best practice
Learn how customers across different commodities use VacQPack as a best practice for quality protection. By applying natural MAP, they prevent insects, control moisture, and safeguard product value throughout storage and transport.
Particularly on humid and hot areas, problems like condensation, variation of moisture content, oxidation and in some cases insect infestation, are common on the difficult task of keeping the quality of soybean seeds during storage.
The refrigeration is the conventional technique for preservation, but it requires a great deal of investment on infrastructures and implies significant expenditures on energy. Besides, once the seed leaves the refrigeration mode, gets again vulnerable and enters in a rapid degradation process.
Infisght from our research expert
Marie-José
Research Expert
m.vanlitsenburg@vacqpack.com
Our research Expert Marie-José translates scientific studies into practical MAP insights, helping producers safeguard quality from origin to arrival.
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