Sweetcorn
Zea mays var. saccharata · sweetcorn · suikermais
Sweetcorn: what every chef needs to know
From bistro to banquet hall, Sweetcorn earns its spot as the young sweet variety of maize consumed as a vegetable, as opposed to grain maize (for cornmeal/polenta) or popcorn maize. The sugar content at harvest is 10–15% sucrose, but converts rapidly to starch through the enzyme invertase: at room temperature 50% of the sugar is already converted to starch within 6–8 hours. Refrigerating immediately after harvest dramatically slows this process. This is the culinary reason behind the axiom "straight from the field, into the pot". Naturally gluten-free. EU Regulation 1881/2006 sets maximum levels for aflatoxin in maize (max 5µg/kg) and fumonisin B1+B2 (max 4,000µg/kg for processing). Sweetcorn is not genetically modified corn by definition, but all GMO maize must be labelled in accordance with EU Regulation 1829/2003.
Sweetcorn: nutritional values per 100g
Based on unprocessed product. Source: NEVO 2023 (gekookt) — the Dutch food composition database, managed by RIVM and Wageningen University.
Nutritional values are indicative for unprocessed raw materials. Preparation method, variety and origin may affect values. Source: NEVO 2023 (gekookt).
Sweetcorn: classic dishes
Proven preparations from the professional kitchen — from haute cuisine to global restaurant classics. Use as inspiration for menu development and recipe costing.
Sweetcorn: preparation techniques
Exact temperatures and times for HACCP compliance. Core temperature is leading for poultry and pork.
not overkoken; sugar verliest flavour. Kolf in water with milk for extra romigheid
Kaf let zitten during grillen for bescherming; then afpellen and beëindigen over directly vlam
maximum suikerbehoud; than briefly afgrillen for grill-aromas
Hitte transformeert starch; clear hap = cooked. Popcornmaïs verschilt of suikermais
Sweetcorn: HACCP storage and food safety
Based on Codex Alimentarius (WHO/FAO) and EU Regulation 852/2004. Consult your national authority (NVWA/FDA/FSANZ) for applicable local standards.
Sweetcorn: global seasonal overview
Availability per climate zone — Northern Europe, Mediterranean and warm climate. Relevant for purchasing planning and international menus.
Dutch harvest August–September; year-round import available (frozen and tinned). Sweetcorn loses sugar content rapidly after harvest.
Sweetcorn: EU-14 allergen information
Full overview compliant with EU Regulation 1169/2011 (Annex II). Raw material information — always verify with your supplier for processed products and possible traces.
Raw material information (unprocessed product). Processed products may contain traces. EU Regulation 1169/2011 Annex II.
Frequently asked questions about Sweetcorn
Why is fresh corn sweeter than tinned corn?
At harvest sweetcorn contains 10–15% sucrose. Within 6–8 hours at room temperature half is converted to starch via the invertase enzyme. Tinned corn is processed immediately after harvest. Fresh corn from the field cooked immediately gives maximum sweetness.
How do I distinguish GMO from non-GMO maize?
EU Regulation 1829/2003 requires labelling above 0.9% GMO component. Organic maize is by definition GMO-free (EU organic certification). Ask your supplier for the GMO certificate if this is relevant to your kitchen.
What is the aflatoxin risk with maize?
Aspergillus flavus/A. parasiticus moulds produce aflatoxin B1 during damp storage of maize. EU Regulation 1881/2006: max 5µg/kg aflatoxin B1. Risk with bulk purchasing: check certificates and store dry (<14% moisture content for dry maize).
At what temperature should you store Sweetcorn?
Store Sweetcorn at 0-4°C, compliant with EU Regulation 852/2004 and Codex Alimentarius guidelines.
How do you prepare Sweetcorn professionally?
The primary professional technique for Sweetcorn is Boiling at 100°C for 5-8 min. Always verify core temperature with a calibrated probe thermometer.
Does Sweetcorn contain allergens?
Sweetcorn is free from all 14 EU declarable allergens under EU Regulation 1169/2011 Annex II. Always verify with your supplier for processed variants.
Legal disclaimer: For informational purposes only
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Informational character
The information on this page has been compiled exclusively as reference material for professional kitchen staff. KitchenNmbrs does not provide legal, medical or commercial advice. Data on preparation techniques, storage temperatures, HACCP guidelines and allergens is based on publicly available professional sources and applies to the raw ingredient in its unmodified state.
Your responsibility as operator (FBO)
Under EU Regulation 1169/2011 (Food Information Regulation) and EU Regulation 852/2004 (HACCP Hygiene Regulation), the Food Business Operator (FBO) is solely and exclusively responsible for:
- Providing accurate, up-to-date and complete allergen information to the end consumer;
- Determining allergens in the finished product based on current supplier documentation;
- Maintaining and documenting a demonstrable HACCP management system;
- Controlling cross-contamination risks within their own production environment;
- Compliance with local food safety authority requirements.
Allergen information: Limitations
The allergen information on this page relates to the ingredient as such. The actual allergen composition of your purchase may differ due to:
- Varying suppliers, production facilities or growing regions;
- Cross-contact during production, transport or storage ("may contain");
- Changed product formulations not yet reflected in public sources;
- Processing or preparation in your own kitchen that introduces new allergens.
Always verify allergens against the current specification sheets (spec sheets) from your supplier. Orally or informally provided allergen information is not legally valid under EU Reg. 1169/2011.
Milk allergen and lactose intolerance
The EU-14 allergen "Milk (including lactose)" covers two distinct conditions, both of which require declaration: (1) cow's milk allergy, an immunological reaction to milk proteins (casein, whey), and (2) lactose intolerance, an enzymatic deficiency (lactase) preventing digestion of milk sugar. Both groups must be informed separately on the menu. Lactose-free is not the same as milk-protein-free: a guest with cow's milk allergy may still react to lactose-free products.
Limitation of liability
KitchenNmbrs B.V. excludes all liability for direct or indirect damages arising from:
- Use of the information on this page as the basis for commercial or operational decisions;
- Allergic reactions, food poisoning or other health incidents involving guests or staff;
- Inaccuracies resulting from changed product compositions by third parties (suppliers);
- Non-compliance with food safety laws and regulations.
All information is subject to the KitchenNmbrs Terms and Conditions.
Official sources and authorities
Legal basis: EU Reg. 1169/2011 Annex II (EU-14 allergens) · EU Reg. 852/2004 (HACCP) · Local food information legislation as applicable
