Modular controlled-atmosphere storage designed for pallet-level environmental control within existing warehouse racking, currently represented by a working prototype tested internally.
A plug-and-play modular chamber that operates within existing warehouse racks without requiring a full retrofit. By reducing oxygen to 1.5–2.5%, it creates a non-viable environment for pests while preserving product freshness and quality.
Rice, flour, noodles and other starch-based foods.
Soybeans, mung beans, lentils, corn, wheat, oats and similar commodities.
Nuts, spices, seeds, dried fruits, coffee beans and other dry food products.
Insect pests like rice weevils tolerate ambient air easily — but their metabolism is severely impaired below 3–4% oxygen, and becomes non-viable in the 1.5–2.5% range the chamber maintains.
Nitrogen's primary role inside Vorienta Chamber is atmosphere control. As an inert gas, nitrogen displaces oxygen and slows the oxidation that causes food to lose taste, texture and quality over time. The same low-oxygen environment also has a well-documented secondary effect by passively discouraging stored-product pests without adding chemicals.
Independent supporting research. Not Vorienta Chamber performance data.The studies below were conducted by independent researchers using different products, packaging formats, temperatures, humidity levels, storage periods and atmosphere compositions. They support the general preservation principle that nitrogen, used as an inert gas to reduce oxygen exposure, can help slow oxidative changes that affect food quality and shelf life. They are not tests of Vorienta Chamber and should not be read as predicted Chamber shelf-life results.
| Category | Product Tested | Air / Conventional Result | Modified / Controlled Atmosphere Result | Reported Outcome |
|---|---|---|---|---|
| Everyday Staples | Gluten-free fresh filled pasta (4°C) | Air-packaged samples spoiled after 14 days | Mould-free for 42 days under 70% N₂ / 30% CO₂ | ~3×[1] |
| Everyday Staples | Rice (150 days at 30°C) | Faster increases in fatty-acid value and amylose; greater decline in enzyme activity | Increases retarded and decline in enzyme activity deferred under nitrogen-modified storage | Directional[2] |
| Grains & Legumes | Faba beans (12 months at 30°C) | Greater colour darkening and tannin loss | Nitrogen flushing reduced colour darkening and tannin losses | Directional[3] |
| Grains & Legumes | Peanuts (87-day hermetic comparison) | Lipid oxidation, free-fatty-acid increase or fungal growth observed depending on water activity | These quality losses were not observed under anoxic nitrogen at corresponding water-activity levels | Clear quality protection[4] |
| Premium Treats | Roasted and ground coffee | Minimally acceptable to 12 weeks | Nitrogen-packaged samples minimally acceptable to 52 weeks | ~4.3×[5] |
| Premium Treats | Ground walnuts (21 weeks at 20°C) | p-anisidine value: 0.56 | p-anisidine value under nitrogen: 0.40 | ~29% lower, calculated[6] |
[1] Fresh filled pasta: air-packaged samples spoiled after 14 days; samples stored at 4°C under 70% N₂ / 30% CO₂ remained mould-free for 42 days. LWT, 2016
[2] Rice: nitrogen-modified storage retarded increases in fatty-acid value and amylose content and deferred decreases in enzyme activity over 150 days at 30°C. Food Chemistry: X, 2022
[3] Faba beans: nitrogen flushing reduced colour darkening and tannin losses compared with air during 12 months at 30°C. Postharvest Biology and Technology, 2008
[4] Peanuts: lipid oxidation, free-fatty-acid increase and fungal growth were not observed after 87 days of hermetic storage under anoxic nitrogen. Food Chemistry, 2022
[5] Roasted and ground coffee: air packaging remained minimally acceptable for 12 weeks versus 52 weeks for nitrogen packaging. Korean Journal of Food Science and Technology, 1999
[6] Ground walnuts: after 21 weeks at 20°C, the p-anisidine value was 0.56 under normal atmosphere versus 0.40 under nitrogen. The approximately 29% difference is calculated from the reported values. Academic Food Journal, 2021
Notes: These are independent, study-specific results obtained under different products, packaging formats, temperatures, humidity or water-activity levels, storage periods and atmosphere compositions. They support the general preservation principle but are not direct performance claims for Vorienta Chamber.
The current design is the result of an engineering development cycle. Findings from the first prototype guided the development of a single-piece, five-sided chamber that was then subjected to an internal atmosphere-control test.
Proof-of-concept statusThis was an internal engineering test, not third-party certification, a repeat-run validation programme or a product shelf-life trial. It demonstrated short-duration atmosphere control only. Longer-duration and product-specific trials remain necessary before commercial shelf-life or payback claims can be made.
Modelled on a 2,000-tonne annual throughput across rice, flour, pasta, grains and other dry goods, at an illustrative S$7.45M annual retail value. Storage-related shrinkage of 2–3% can represent a meaningful recoverable value opportunity.
| Category | Share of Volume | Tonnes | Illustrative Retail Value |
|---|---|---|---|
| Rice | 30% | 600 | S$1.8M |
| Flour & wheat products | 20% | 400 | S$1.0M |
| Pasta / udon | 20% | 400 | S$1.8M |
| Grains / beans | 15% | 300 | S$1.65M |
| Others (cereals, etc.) | 15% | 300 | S$1.2M |
| Total | 100% | 2,000 | S$7.45M |
At an estimated 2–3% annual cost leakage, this portfolio erodes approximately S$149K–S$224K of value every year. Illustrative figures only; actual results vary by product mix and operations.
Model limitation: This scenario estimates inventory value at risk. It does not include Chamber capital cost, installation, nitrogen consumption, energy, maintenance or operating labour. It is not a quotation, savings guarantee or payback calculation.
A 2–3% loss rate has been treated as a normal part of warehouse operations for so long that it is rarely challenged. However, that percentage is not fixed. It is a function of storage conditions. When recovered, it does not appear as new revenue. Instead, it represents inventory that has already been paid for, reaching the point of sale instead of the point of write off.
Singapore imports more than 90% of its food.[7] Pandemics, conflicts, and export restrictions over the past few years have shown that supply cannot always be replenished on demand. In this context, reducing storage losses is not simply a warehouse efficiency metric. It represents additional effective food supply recovered without importing a single extra tonne.
[7] Source: Singapore Food Agency. Singapore Food Statistics 2025. Retrieved on 7 July 2026. sfa.gov.sg
A purpose-built controlled atmosphere warehouse means committing capital for capacity you may not need for years. Vorienta Chamber and Vorienta Thermo are built to grow with your operational requirements instead.
A dedicated controlled atmosphere facility is typically sized for future capacity, financed and constructed before that capacity is actually needed. This creates a large capital outlay well ahead of the volume that justifies it.
Start with the number of chambers your current throughput needs, ten for example, and add another ten next month as demand grows. Capacity expands alongside cashflow, not ahead of it.
Choose a structured pilot path or shape a collaboration around your own technical and commercial requirements.
Tell us what you plan to store, your pallet volume and your current warehouse arrangement. We will help you assess whether a Chamber pilot is suitable.