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The Maize Market & Economy
Sweet Corn
Sweet corn has been grown in France since 1973 and is used solely for human consumption. From the outside, it looks much the same as grain maize, being a tall green plant producing handsome yellow ears, but it has special features giving a special flavour.
Seed sown for sweet corn is specific and the varieties chosen produce the slightly sweet, rounded, fine-skinned, yellow kernels. The ears are picked when the moisture content is above 70% and the kernels are processed quickly, either sterilized and canned or deep-frozen to maintain optimal freshness.
Sweet corn can also be eaten fresh on the cob, steamed or grilled.
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Key Figures The French sweet corn farming and processing industry achieves top level agricultural and industrial performance and is currently ranked fourth in the world. This development has come with the expansion of the European market over more than twenty years. The EU market has reached a level of maturity and the sweet corn industry now has to deal with pressure from competition and regulations which may threaten its viability in the long term.
USA – the global leader
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|  | France is ranked fifth in the world after the USA, Thailand, Brazil (these last two countries with rapid growth) and Hungary. Twenty percent of the 350 000 hectares of sweet corn in the world are in the 27-member EU. France is at the forefront for agronomic performance with average yield in 2008 just over 19 tonnes per hectare. China is a new player and has every chance of being a force to reckon with in the future; it has moved onto new markets, such as the EU and, more importantly, Russia, the world’s leading sweet corn importer. Traditionally Russia imported supplies from Hungary, but with China moving onto the scene, and then Thailand, the market balance has changed radically across continental Europe. |

2009: a record drop in acreage
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|  | In 2007 and 2008, French production levelled off and has remained at approximately 25 000 hectares which is then processed. After two seasons with disappointing production figures, the 2008 yield reached the expected level of 19.2 tonnes per hectare, despite rain early in the season at sowing time. After satisfactory levels for 2008, declining consumption and tough competition on the European market saw stocks in France reach very high levels early in the 2009 season. The situation led to a record cut in cropping programmes for 2009, going down to 18 700 hectares. |

Canned & Frozen Sweet Corn – increasing production
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|  | In 2008, France produced 270 000 tonnes (net weight) of preserved sweet corn, an increase of 12.5% on 2007, in line with the increased yield in the field. The quantity of frozen sweet corn went up by nearly 10%, reaching 34 000 tonnes (net weight). The total amount of sweet corn produced for processing by industry has thus increased substantially. At the same time, other players on the European market have also seen their production levels increase. Canned sweet corn produced in the EU went up by 7% in 2008 to 555 000 tonnes (net), the highest level for five years. The increase was not as steep in Hungary as it was in France, with Hungary going up 3.5% to 237 000 tonnes (net). In 2008, France thus remained the leader for canned sweet corn. In frozen sweet corn, Hungary is a clear leader with 63 000 tonnes net and, in 2008, Hungarian production increased by 6.8%. |
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Canned sweet corn: France exports 3 out of every 4 cans produced.
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|  | Export is still the main outlet for canned sweet corn produced in France with more than 60% of French exports going to northern Europe. When there is a slump in the economy, sweet corn consumption in Europe goes down and competition on the market gets tougher. In such a context, French exports of canned sweet corn dropped by 16% in 2008. The main losses (ranging from 8.5% to 23.2%) were in the 15-member EU which accounts for 90% of French exports. The principal competitor for French production is Hungary and as French exports to the EU dropped, sales from Hungary went up by 22%. The decline in French sales shows a clear correlation with a new increase in imports to France. After what was already a substantial rise in imports in 2007, 2008 saw a further 19% increase, including imports from Hungary (up 29%).
The trade balance, which has always been positive, has been declining and has reached the lowest level for ten years. The surplus is approximately 100 million euros. |
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Frozen sweet corn exports reviving
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|  | Exports of frozen food have almost doubled on a highly competitive market with a large trade surplus. |

Slight growth in consumption
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|  | Consumer attitudes to sweet corn have been changing slowly. Sweet corn is mainly eaten in summer salads and has maintained its ranking as the fourth most popular canned vegetable.
The percentage of the population eating sweet corn has remained unchanged at 80%. Age is clearly a relevant factor: 91% of 15 to 24-year-olds eat sweet corn, as opposed to only 69% of over-65-year-olds. Consumption is higher in households with a monthly income of 2 500 to 3000 euros and in the Mediterranean area. Only 11% of the population of France eat corn on the cob, although it is 21% in Greater Paris.
Major variations in consumption patterns can be seen between both individuals and countries. |

Top quality guaranteed
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Farmers growing sweet corn are all partners with industrial processors and have signed production contracts; each partner has to comply with strict specifications, from the field to the plate.
All seed is supplied to the farmer by the industrial partner and sweet corn is grown in the best soil so as to produce a consistently high quality crop. As harvest time comes round, measurements are made in the field at regular intervals for an accurate assessment of the time when the kernel reaches optimal maturity, i.e. when it is soft, slightly sweet and crisp. Sweet corn is therefore picked when moisture content is above 70%. The ears of corn are harvested and the kernels are canned or frozen and packed in less than six hours. This swift processing ensures that European sweet corn is perfectly fresh. No additives or preservatives are used. Canning and freezing are totally natural thermal processes.
As soon as the ears of sweet corn are delivered to the plant, they are husked by machine to remove the leaves protecting the kernels. The sorting stage separates the cobs, discarding any unwanted elements (leaves, stems and any damaged or marked ears). An automatic cutting machine with a circular blade shears the kernels off the cob. The kernels are rinsed and any remaining impurities float to the surface of the water. The sweet corn is then drained and aired to remove any remaining skin or membrane. A final visual check is done electronically before the final processing, to make sure that there are no mealy kernels or remaining foreign bodies such as fragments of leaf. Two main products: canned and frozen sweet corn Two main objectives : canning and freezing. |
Canning or vacuum sterilisation
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To ensure that sweet corn is crisp and flavourful, the kernels are vacuum packed in a can with a small quantity of water, sometimes with a tiny amount of salt and sugar added. The cans are heated to 100°C for 3 to 4 minutes, and then sterilised for a further 7 to 9 minutes at 125-320°C. The flavour, texture and nutritional value are preserved, all the way to the plate. Sweet corn can be stored unopened at room temperature for months without altering the quality. Freezing: blanched then snap frozen
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Frozen sweet corn is first blanched in hot water or steam, before going through a quick-freezing tunnel where the temperature reaches -18°C in just a few minutes. Under the right conditions, frozen sweet corn can be kept for a number of months as the tiny crystals of ice which form help preserve the texture and flavour of the kernels. |

The Nutritional Value of Sweet Corn
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|  | Sweet corn is highly nutritious and has low fat content, and the fats are mainly unsaturated and therefore healthy. Sweet corn has fewer calories and more protein than rice and five times more fibre so essential for the digestive system. It also contains all the B-group vitamins. Content of canned sweet corn (average for 100g) |
Energy: 97 kcals (410 Kjoules) per 100g
Energy: 97 kcals (410 Kjoules) per 100g
| Protéines | 3g | Phosphore | 69mg | VitamineE | 0,45mg | | Glucides | 18,2g | Potassium | 200mg | VitamineC | 1mg | | Lipides | 1,2g | Sodium | 304mg | VitamineB6 | 0,09mg | | Fibres | 2,3g | Fer | 0,6mg | | | |


Popcorn – a booming niche market
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|  | In France, maize for popcorn is grown over 5 500 hectares. The main production areas are in Charentes and Gers. Popcorn maize is “popped” by a number of industrial players in France and Europe. Globally, the United States and Argentina are the main producers, with 450 000 tonnes and 160 000 tonnes respectively. US production is primarily for the domestic market which consumes almost 90%. Argentina, however, consumes very little popcorn and exports nearly 95% of its production to North & South America (e.g. Brazil, Colombia and the USA) as well as to Europe where it competes directly with French production. |
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