Potatoes

Potatoes (Solanum tuberosum L.) are one of the world’s most widely consumed staple crops, prized for their versatility, long storage life, and rich nutritional profile. They are cultivated in temperate, subtropical, and tropical regions across the globe. The tubers are consumed fresh, processed into products such as chips, fries, and starch, and used as raw material in food, beverage, and industrial applications.

Potatoes for international trade must meet stringent quality, safety, and phytosanitary requirements to ensure they arrive in prime condition, free from pests and diseases.

Product Specifications for Export/Import

  1. Size & Grading(varies by market and buyer requirements)
    • Small:28–45 mm diameter
    • Medium:45–60 mm diameter
    • Large:60–80 mm diameter
    • Extra Large:80+ mm diameter
    • Tolerance:±5% size variation per shipment allowed (as per buyer contract)
  1. Quality Standards
  • Tubers firm, well-shaped, and mature
  • Clean, free from excessive soil (max 1% soil residue by weight)
  • Free from rot, green colouring, sprouts, internal defects, cracks, frost damage, or sunburn
  • Moisture content: 75–80% (fresh potatoes)
  • Dry matter content: 18–22% (varies by variety, important for processing potatoes)
  1. Storage & Transport Conditions
  • Temperature: 4–8°C for long-term storage (processing potatoes may require slightly higher temps to prevent sugar buildup)
  • Relative Humidity: 85–95%
  • Controlled ventilation to avoid condensation and sprouting
  • Transit: Typically shipped in refrigerated containers (reefers) for long-distance exports
  1. Shelf Life
  • Fresh table potatoes: 3–6 months under optimal cold storage

Processing potatoes: 4–5 months (depending on dry matter content and variety)

Category:

Description

Types of Potatoes in Trade
  1. Based on Use
    1. Table Potatoes
  • For direct consumption
  • Smooth skin, uniform shape, and moderate dry matter
  • Examples: Desiree, Yukon Gold, Maris Piper, Kennebec
    1. Processing Potatoes
  • High dry matter, low sugar content for frying (golden color, no browning)
  • Used for chips, fries, flakes, starch
  • Examples: Innovator, Lady Rosetta, Hermes, Shepody, Russet Burbank
    1. Seed Potatoes
  • Used for cultivation, certified disease-free, true-to-type variety
  • Strict phytosanitary inspection and certification
  • Examples: Atlantic, Agria, Santana
  1. Based on Flesh & Skin Colour
    1. White-Fleshed / Brown-Skinned
  • Mild flavour, firm texture
  • Popular in North America, Europe, and Asia
  • Examples: Russet Burbank, Kennebec
    1. Yellow-Fleshed / Yellow-Skinned
  • Buttery flavour, creamy texture
  • Examples: Yukon Gold, Agria
    1. Red-Skinned
  • Firm texture, attractive appearance, ideal for salads and roasting
  • Examples: Red Pontiac, Desiree
    1. Purple/Blue-Skinned
  • Rich in antioxidants, niche market
Examples: Purple Majesty, Vite Lotte
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