The idea of extracting valuable ingredients from waste products and processing by-products is not a new one but new extraction technologies and increasing demand for natural ingredients could open up new avenues for extracting value-added ingredients. Now-a-days, food wastes are considered as a cheap source of valuable components. Exploitation of the entire plant tissue could have economic benefits to producers.
As more legal requirements are implemented, the food industry will be increasingly obligated to prevent waste. The French penalty system (which fines supermarkets for wastage) and Italian incentive system (which rewards them for donating surplus food) actively encourages waste prevention. Similarly, National Environment Agency, Singapore, launched a S$1.76 million food waste fund. The fund aims to help organisations subsidise the cost of installing food waste treatments solutions.
Let’s have a look at 10 most commonly produced products out of food waste:
A carrot may have two legs, an apple might be dimpled, a cucumber might be slightly discolored — all of this leads to ‘rejectsʼin the food system. Approximately, one-third of a farmerʼs total harvest is lost due to the aesthetic standards of retailers. Contrary to popular perception, these rejected fruits and vegetables (based on aesthetic standards) are as fresh and delicious as their perfect counterparts. By sourcing these misfit fruits and vegetables, companies are developing sustainable juice and beverage production business.
- Fruit flour from seed, skin and pomace of fruits
Gluten-free foods could benefit from highly fibrous fruit flours developed from the by-product of juice and cider production. These by-product flours are high in dietary fibre and have high antioxidant properties. Eg. for the gluten-free bread, rice flour and potato starch is blended with the fruit flour and for extruded snacks fruit flour is mixed with maize flour. The blending is done to balance the taste impacts as well as provide key structural requirements needed for gluten-free bakery and snacks products