Affiliation:
1. Universidade Federal Rural do Semi-Árido, Brazil
2. Universidade Federal Rural de Pernambuco, Brazil
3. Universidade Federal do Rio Grande do Norte, Brazil
Abstract
ABSTRACT Combining refrigeration with packaging is a commonly used technique for fruits intended for export. Thus, the objective of this study was to adapt the post-harvest management of biofortified sweet potato cultivars, using packaging and refrigeration, focused on reaching distant export markets while maintaining the commercial quality. Sweet potatoes of the cultivars BRS-Amélia and Beauregard were selected after harvesting, washed, and packaged. The experimental design used was completely randomized, in a 4 × 7 factorial arrangement consisted of 4 treatments (cultivar BRS-Amélia with and without packaging; and cultivar Beauregard with and without packaging) and 7 evaluations under storage conditions: at 0, 7, 14 (under refrigeration at approximately 8 °C), 17, 20, 23, and 26 days (under room temperature conditions at approximately 25 °C). Each experimental unit contained 500 g of tubbers. The results showed that the refrigerated storage combined with packaging extended the shelf life of the evaluated sweet potatoes: 17 days for BRS-Amélia and 26 days for the cultivar Beauregard. The BRS-Amélia cultivar maintained higher firmness, soluble solids and carbohydrate contents, chroma, and antioxidant activity (FRAP method), and total phenolic contents, in both raw and cooked tissues. The cultivar Beauregard presented less dehydration and greater stability in vitamin C, total phenolic, total carotenoid, soluble carbohydrate, and starch contents in raw and cooked potatoes. Therefore, the combination of packaging and refrigeration preserved the commercial quality of biofortified sweet potatoes for export markets.
Subject
Agricultural and Biological Sciences (miscellaneous),Agronomy and Crop Science,Environmental Engineering
Reference31 articles.
1. A comprehensive review of sweet potato (Ipomoea batatas [L.] Lam): Revisiting the associated health benefits;Alam M. K.;Trends in Food Science & Technology,2021
2. Food biochemistry;Alencar S. M,2008
3. Caracterização morfológica de 21 genótipos de batata-doce;Almeida E. R. L. C. de;Revista AgroFIB,2022
4. Preparation and characterization of okra mucilage (Abelmoschus esculentus) edible films;Alvarenga P. C.;Macromolecular Symposia,2016
5. Open Science Research;Basílio L. S. P.,2022