"The groundwork of all happiness is health." - Leigh Hunt

We're turning waste bread crusts into nutritious food with ancient Asian fermentation.

Do you end up throwing away your breadcrumbs? You're not alone, but the dimensions of bread waste is staggering. around 10 percent of the 185 million tons Every yr, baked bread is wasted world wide. Although a few of this waste occurs at home, most of it comes from supermarkets and industrial bakers.

Although much of this surplus bread remains to be suitable for eating, it can't be sold and infrequently leads to the bin. But Our recent research suggests that these crusts could be changed into latest varieties of food using fungal fermentation. This is a technique that has been used for hundreds of years to arrange traditional Asian foods.

Wheat is considered one of the world's most consumed crops, accounting for 20% of the calories and protein in our weight loss program. This is one The main ingredient In staple foods like bread, cakes, biscuits, cookies and crackers. According to the Food and Agriculture Organization of the United Nations, About 760 million tonnes Wheat flour is produced globally every yr, most of which is used for baking bread.

However, the environmental impact of bread production is high, especially wheat farming. Oh 2017 University of Sheffield study found that wheat farming, particularly using fertilizers, is chargeable for about 40 percent of the greenhouse gas emissions related to bread production. Adding to this, uneaten bread waste adds to the issue, creating a major environmental burden.

Replacing bread waste with mold

Our study uses Solid state fermentationwhich is a widely used process in Asia for making plant-based proteins. Tempeh And oncom From extra beans, legumes and grains. In a latest twist, we're fermenting bread crusts with grass protein, traditionally used for cattle feed. Hay protein is wealthy in nutrients, making it an excellent complement to bread waste on this revolutionary fermentation process.

The result's a vegetarian protein alternative that enhances the dietary value of additional bread while being environmentally friendly. The discovery offers a sustainable option to turn bread waste right into a invaluable food source, solving each food waste and food safety challenges.

With global population Expected to reach. 9.7 billion by 2050 and 11.2 billion by 2100, such revolutionary methods might be obligatory to feed more people using the identical and even fewer agricultural resources.

Our fermentation process has the potential to significantly reduce waste sent to landfills and reduce greenhouse gas emissions. By keeping surplus bread and non-traditional plant proteins within the food chain, it supports a circular economy, an financial system designed to scale back waste and maximize using resources.

For comparison, one hectare of pasture can produce 150 to 200 kg of meat protein. In contrast, the identical amount of land can yield 1.8 to three tons of protein. from forage crops such as alfalfathat are used for grazing cattle and sheep. This alternative highlights the efficiency and environmental advantages of protein production.

humble bread crust.
Sylvia ND/Shutterstock

We are actually working on scaling up this process to make it viable for industrial use. In collaboration with industry partners, we're planning to construct large-scale facilities able to handling the big volume of bread waste generated. Our further research will deal with optimizing the taste, smell and texture of the ultimate product to fulfill consumer preferences, in addition to making the method cost-effective.

In the long term, this revolutionary approach can contribute to increasing global food security and sustainability. By turning bread waste right into a nutritious food source, our study not only tackles a serious environmental problem but in addition paves the best way for a more sustainable future.

Our research shows how fermentation can unlock the hidden potential of food waste. Our approach could revolutionize the best way we take into consideration extra bread. So, the following time you see a loaf of bread going stale, remember, it may very well be a part of a future meal.