So a rise in wheat prices has knock-on effects on other crops.
Only a small fraction — 6 percent to 18 percent — of annual global wheat production is traded across borders, explained Sternberg, "so any decrease in world supply contributes to a sharp rise in wheat prices and has a serious economic impact in countries such as Egypt, the largest wheat importer in the world".
The process of accelerated aging was performed by three different factors including rise in wheat moisture content (16, 18 and 20% w/w), control of storage temperature (30, 40 and 50°C) and control of the storage time (2, 5 and 8 days) using a central composite design.
A rise in wheat and wheat flour prices will lead to increases in prices on your favorite morning cereal or sliced bread. .
Between 1990 and 2007 population growth slowed down to 1.4%, but the rise in annual wheat yields slackened to 0.5%.
However, the latest management statement from Glencore, which is one of the biggest companies in the FTSE 100 (meaning most pension funds are automatically required to buy its shares), show the company has benefited from a 26% rise in the wheat price over the last three months.
At the end of a week in which the wheat price hit a two-year high as Russia, the world's fourth largest producer, imposed an export ban for the second year running, there were fears that the domestic move to biofuels would lead to further rises in the cost of wheat.
Senior global economist at HSBC, Karen Ward, said sharp rises in the cost of wheat, corn and soya beans came when growth was slowing but said the weakness of wage pressure meant there was no need for central banks to raise interest rates in response to a higher cost of living.
Cereal prices rose 1% from August, as gains in wheat and rice offset a decline in maize.
Weekly wheat-price rises in July were no larger, compared with four weeks previously, than those during May or November 2009.
