Beriain Apesteguía, María José
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Beriain Apesteguía
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María José
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Agronomía, Biotecnología y Alimentación
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IS-FOOD. Research Institute on Innovation & Sustainable Development in Food Chain
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Publication Open Access Revalorisation of broccoli crop surpluses and field residues: novel ingredients for food industry uses(Springer, 2023) Villaño Valencia, Débora; Fernández Pan, Idoya; Arozarena Martinicorena, Íñigo; Ibáñez Moya, Francisco C.; Virseda Chamorro, Paloma; Beriain Apesteguía, María José; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaResearch on the management of broccoli crop residues and surpluses is critical for improving agricultural practices, optimizing food industrial manufacture, and contributing to better human nutrition. The objective of this study was to obtain novel ingredients based on these residues and surpluses for a wide range of applications in the food industry. The efect of air-drying (60 °C or 80 °C) applied to feld residues (broccoli stalks), mimicking industrial conditions, was compared with dehydration by freeze-drying applied to these same feld residues and to crop surpluses (broccoli whole plant). Thus, diferent broccoli fours were obtained and characterised for technological and biological properties including colour, antioxidant activity, nutrients, total polyphenol content, and content of glucosinolates. Flours from feld residues showed high levels of dietary fbre (≈22% dry weight). Broccoli crop surpluses fours had relevant contents of glucosinolates (≈13 mg/g dry weight). Therefore, within the framework of the circular economy, these fours are proposed to revalorise the two main broccoli crop discarded fractions. Such fours could be used in a realistic and simple way by the agri-food industries interested in the development of healthy and conscience foodstufs, in a cost-efcient manner.Publication Open Access Carbon and water footprints of the revalorisation of glucosinolates from broccoli by-products: case study from Spain(Elsevier, 2025-05-01) González Peñalver, José Miguel; Martínez Aldaya, Maite; Muez, Ane Maite; Martín-Guindal, Andrea; Beriain Apesteguía, María José; Agronomía, Biotecnología y Alimentación; Agronomia, Bioteknologia eta Elikadura; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD; Ciencias; Zientziak; Gobierno de Navarra / Nafarroako GobernuaAssessing the costs, benefits, and externalities of circular economy measures from a life cycle perspective is increasingly important for developing sustainable agro-food strategies. This study evaluates the carbon and water implications of revalorising glucosinolates from broccoli by-products through two distinct life-cycle scenarios in a case study conducted in Navarra, Spain. In the first scenario, glucosinolates are obtained from conventional broccoli production, where they are naturally present in the edible inflorescences. The second scenario introduces an innovative step: extracting glucosinolates from otherwise discarded broccoli by-products, such as stalks and inflorescence detachments. Carbon and water footprints were analysed for both scenarios based on the production of 1000 grams of glucosinolates. The results reveal that while the second scenario enhances resource efficiency by utilizing agricultural waste, the environmental costs of the extraction process outweigh the benefits, leading to a 37.6 % increase in greenhouse gas emissions and a 4.6 % rise in water usage compared to the first scenario. To address this, an improvement scenario is proposed, featuring a more efficient use of solvents during extraction, which significantly reduces both emissions and water use. This study underscores that circular economy strategies in agro-food systems do not always translate into environmental benefits accross all resources. A detailed analysis of various carbon and water indicators has provided valuable insights to enhance the environmental performance of such strategies, reinforcing the importance of life-cycle assessments in shaping more effective agro-food policies.