Detail

Nitrogen is an excellent protective gas in the food industry.

Nitrogen significantly inhibits bacterial growth in food through asphyxiation. Leveraging this property, food-grade nitrogen generators are widely utilized across multiple stages: green grain storage, modified atmosphere packaging (MAP), vegetable preservation, wine bottling/canning and long-term storage, as well as nitrogen sparging and filling in beverage production. By displacing oxygen with nitrogen in packaging, oxidation and spoilage are effectively slowed, preserving the food's original taste, aroma, and nutritional value while significantly extending shelf life. Food preservation applications demand high-purity nitrogen, typically exceeding 99.9%, which must also undergo sterilization, deodorization, and dust-free purification to meet relevant food safety and production standards.