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
Triticum aestivum
Wheat
Wheat is a cornerstone of global food systems, where long-term storage quality directly affects food security and economic value. Protecting wheat from oxygen, moisture and pests is essential to preserve nutrition and usability over time.
When properly dried and stored, wheat can remain nutritionally stable for many years. In practice, however, preservation is often compromised by oxygen exposure, fluctuating moisture levels and hidden insect eggs that survive post-harvest cleaning. Once hatched, insects can rapidly damage stored grain. Traditional storage systems such as steel bins or gunny bags allow moisture to follow ambient conditions, increasing the risk of heating, germination and spoilage. For organic wheat in particular, chemical fumigation is not an acceptable solution, creating the need for a reliable, residue-free preservation method that performs consistently over long storage periods.
Challenges in wheat preservation
Long-term stability
Wheat preservation is highly sensitive to moisture and oxygen. When moisture content rises above safe limits, respiration increases, generating heat that can trigger germination, hot spots and even spontaneous combustion. Oxygen availability accelerates biological activity and supports insect survival.
A critical challenge is the presence of insect eggs inside kernels. Even after cleaning, eggs may remain dormant and hatch during storage, leading to internal damage that is difficult to detect early. Conventional packaging systems fail to isolate wheat from ambient humidity, causing moisture levels to fluctuate over time. Chemical treatments address insects only temporarily and conflict with organic and sustainability goals. Effective wheat storage requires airtight conditions that remain stable for years.
- Insect eggs survival
- Moisture instability
- Oxygen exposure
- Heat generation
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The VacQPack solution for wheat
Organic longevity
VacQPack preserves wheat using bulk-sized Modified Atmosphere Packaging (MAP) combined with vacuum and temperature-supported biotreatment. High-barrier EVOH liners create a hermetic environment where oxygen is replaced with COâ‚‚ or nitrogen, stopping insect development and stabilizing moisture levels. COâ‚‚ acts as an effective, low-cost bio fumigant, eliminating insects organically while keeping wheat cool and dry. Proven field studies show that even moderately infested wheat can be stored safely without survivors. Reusable packaging, low energy use and atmospheric gases make VacQPack a sustainable solution for long-term, residue-free wheat preservation.
- 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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