Fresh Onion from Viet Nam – Layers of Aroma, Roots of Trust

Fields of Vietnam’s Onion Belt

Across Vietnam’s fertile deltas and highlands, onion fields shimmer under tropical sunlight. Farmers harvest each bulb at full maturity, curing them naturally to preserve outer layers and aroma. From the alluvial soils of Soc Trang – Vinh Châu to the cool plateaus of Lâm Đồng, Vietnam’s onions combine tradition, agronomy, and global-grade quality.

Freshly harvested onions — ready for grading and export under Jesko’s strict post-harvest control.

Executive Brief

• Product: Fresh yellow, red, and white onions (Allium cepa L.), whole bulbs for food processing, wholesale, and retail distribution [1].
• Strengths: Firm bulbs, bright skin, low moisture (~85–88%), long shelf life, and calibrated sizing [1,2].
• Vietnam advantage: Year-round production with modern curing, sorting, and cold storage facilities in southern and central provinces [3,4].
• Grades & specs: Small (40–60 mm), medium (60–80 mm), large (80–100 mm+); ventilated mesh or carton packing, 5–25 kg per bag [5].
• Jesko focus: Moisture control, color uniformity, minimal sprouting, and export-ready documentation.

Varieties and Flavor Spectrum

Red/Purple (Shallot-type)
Compact, glossy bulbs with intense aroma, mainly from Sóc Trăng – Vĩnh Châu. Popular in India, Bangladesh, Sri Lanka, and Oman. Rich in anthocyanins, the pigments responsible for deep red color and antioxidant benefits [3].

Yellow/Brown
Larger globe onions with papery bronze skin, balancing sweetness and pungency. Favored by EU and Middle East buyers for versatility and storage performance. Rich in quercetin and flavonols that enhance antioxidant capacity [3].

White
Mild and crisp with subtle sweetness, ideal for Southeast Asian and Mediterranean cuisines. Lower pigments but still high in vitamin C and sulfur compounds [1,3].

Nutrition and Composition

A 100 g serving provides ~40 kcal, ~9.3 g carbohydrates, ~1.7 g fiber, and ~7 mg vitamin C [1].

• Vitamins: C and B6 support immunity and metabolism.
• Minerals: Potassium, manganese, selenium.
• Bioactives: Quercetin, anthocyanins, and sulfur compounds (allyl sulfides) contributing to aroma and health benefits [2,3,6].

Clinical and epidemiological studies link regular onion consumption with cardiovascular protection, blood sugar regulation, and antioxidant activity [2,6]. The combination of flavonoids and organosulfur compounds gives onions both culinary value and scientific significance.

Processing, Curing, and Storage

After harvest, onions are cured naturally under sun or controlled air flow for 5–10 days to seal necks and harden outer skins [4]. Jesko enforces precise sorting by color, firmness, and density before cold storage at 0–2°C with controlled humidity.

Storage standards:

• Cool, dry, ventilated rooms to prevent sprouting and decay.
• Palletized mesh bags for airflow and easy inspection.

Reefer containers for long-distance routes in hot climates [4,5].

Vietnam various onions — naturally cured and graded for global distribution.

Export Packing, Documentation, and Specs

• Packing: 5 kg, 10 kg, 20–25 kg ventilated mesh bags or cartons.
• Palletization: Stable stacking on treated pallets, corner guards, and strapping.
• Transport: Dry containers for cool routes; reefer for longer voyages.
• Documentation: Commercial Invoice, Packing List, Certificate of Origin, Phytosanitary Certificate, COA [7].
• Certifications: VietGAP/GlobalG.A.P. for farming, HACCP and ISO 22000 for packing compliance.

Global Demand and Trade Insights

The global onion and shallot trade exceeds 100 million tons annually, spanning cuisines and supply chains worldwide [2].

Market alignment:

• South & Southeast Asia: Red/shallot-type onions dominate pungent spice bases.
• EU & Middle East: Prefer yellow globe onions for balanced taste and storage stability.
• Malaysia & Thailand: Favor white onions for fresh, mild dishes.

Vietnam’s export growth reflects both agronomic adaptability and supply diversification amid global demand shifts [2,6].

From field to freight — Jesko ensures onions retain aroma, firmness, and freshness through every shipment.

Product Form: Fresh Onions (Red, Yellow, White)

• Appearance: Globe-shaped, dense bulbs, smooth skins.
• Use cases: Culinary, processing, dehydrated powder, pickling.
• Storage life: 3–6 months under optimal handling.
• Nutritional edge: Low calorie, high antioxidant density, rich in polyphenols.

Jesko Company Limited

Jesko Company Limited bridges Vietnamese agronomy with international trade standards.

• Sourcing & Traceability: Verified cooperatives and contract farms ensuring bulb maturity and size uniformity.
• Quality Control: Moisture testing, sprout inhibition, defect removal, and color calibration before shipment.
• Packaging & Documentation: Vacuum-treated pallets, mesh or carton packing, full set of export papers (CO, Phyto, COA, Invoice).
• Logistics: Reliable FOB, CFR, or CIF shipments from Ho Chi Minh City with active cold-chain monitoring.

Jesko — Your Trust is Our Foundation.

References

1. USDA FoodData Central. Onion, raw. U.S. Department of Agriculture. 2024.
2. FAOSTAT. Onions and shallots: global production and trade statistics. FAO Database. 2024.
3. Griffiths G, Trueman L, Crowther T, et al. Onions – A global benefit to health. Phytotherapy Research. 2002;16(7):603–615.
4. UC Davis Postharvest Technology Center. Onion (dry bulb): curing, storage temperature, and ventilation. 2023.
5. UNECE FFV-25. Fresh Onions: Packing, Sizing, and Quality Guidelines. United Nations Economic Commission for Europe. 2024.
6. Bahadoran Z, Mirmiran P, Azizi F. Dietary onion and garlic intake and risk of cardiovascular disease. Nutrition Reviews. 2020;78(8):661–678.
7. IPPC & National Plant Protection Organization. Phytosanitary certification for fresh onion exports. 2024.