| Title | Turning Agri-Food Cooperative Vegetable Residues into Functional Powdered Ingredients for the Food Industry |
|---|---|
| ID_Doc | 8617 |
| Authors | Bas-Bellver, C; Barrera, C; Betoret, N; Seguí, L |
| Title | Turning Agri-Food Cooperative Vegetable Residues into Functional Powdered Ingredients for the Food Industry |
| Year | 2020 |
| Published | Sustainability, 12.0, 4 |
| Abstract | Current food transformation processes must face the food waste issue by developing valorization processes to reintroduce by-products in the economic cycle and contribute to circular economy, generating social and economic value, and ensuring permanence of agricultural and rural activities. In the present paper, the results of a collaboration project between a regional agri-food cooperative and university are summarized. The project aimed to revalorize a series of vegetable wastes (carrot, leek, celery, and cabbage) from the fresh and ready-to-eat lines of the cooperative, by producing functional powders to be used as functional food ingredients. Vegetables residues were successfully transformed into functional ingredients by hot air drying or freeze-drying, and variables such as storage conditions and grinding intensity prior to drying were considered. Twenty-five vegetable powders were obtained and characterized in terms of physicochemical and antioxidant properties. Results showed that drying (mainly hot air drying) allowed obtaining stable powders, with very low water activity values, and a significantly increased functionality. Vegetable waste powders could be used in the food industry as coloring and flavoring ingredients, or natural preservatives, or either be used to reformulate processed foods in order to improve their nutritional properties. |
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