Resumo Devido ao processamento industrial do mamão, uma grande quantidade de subprodutos dessa fruta é gerada. Dentre esses subprodutos, estão as cascas e sementes, que têm grande valor nutricional, pois apresentam valores consideráveis de fibras, proteínas e antioxidantes. O objetivo, neste estudo, foi desenvolver um pão de fôrma integral adicionado de farinha mista, proveniente das cascas e sementes do mamão da cultivar Havaí. Na elaboração do pão de fôrma integral, foi adicionada farinha mista (casca e semente) em diferentes concentrações (0%, 3%, 6% e 9%), na proporção de 70% de farinha da casca e 30% da farinha da semente do mamão. A adição da farinha mista resultou em produtos com elevados teores de fibras (7,96 g 100 g-1) e proteínas (12,71 g 100 g-1), e baixos teores de lipídeos (0,55 g 100 g-1). Os resultados da análise sensorial mostraram que a fabricação do pão com 3% de adição da farinha mista resultou em boa aceitação, quando comparado com o controle. Assim, a adição da farinha dos subprodutos do mamão na fabricação de pães é uma boa alternativa para compor a dieta da população, por ser nutricionalmente rico em fibras e proteínas.

Abstract Due to the industrial processing of papaya, a great amount of byproducts from this fruit is generated. The peel and seeds are amongst these byproducts and have great nutritional value, since they present considerable amounts of fibre, lipids, proteins and antioxidants. The objective of this study was to develop whole wheat bread loaves with the addition of a mixed flour made from the peel and seeds of papayas of the Hawaiian cultivar. In the whole-grain breadmaking process, the mixed flour (peel and seeds) was added in different concentrations (0%, 3%, 6% and 9%), in the proportion of 70% of papaya peel flour to 30% of papaya seed flour. The addition of the mixed flour resulted in products with high fibre (7.96 g 100 g-1) and protein (12.71 g 100 g-1) contents and low lipid contents (0.55 g 100 g-1). The results of the sensory analysis showed that the bread made with the addition of 3% of the mixed flour resulted in good acceptance when compared to the control. Thus the addition of papaya byproducts flour in the manufacture of bread is a good alternative for the diet of the population, since it is nutritionally rich in fibre and protein.

Papaya is among the currently most important tropical fruits grown in Brazil and in the world. The fruit is mainly consumed fresh although it offers many industrial products. The processing of this fruit, as well as its fresh consumption, results in large amounts of waste, such as peels and seeds. Papaya consumption is one of the causes of significant loss of food value; therefore, new aspects on the use of its waste as by-products, or in the production of food additives, or even the incorporation of its flour in food have aroused great interest because these are products of high nutritional value, and their use may be economically viable. The objective of this study was to produce and characterize peel and seed flours from two papaya cultivars (Havai and Calimosa) for their chemical constituents focusing on possible use in foods. The proximate and mineral composition, titratable acidity, soluble solids, pH, contents of vitamin C, and phenolic compounds were determined. According to the results obtained, the papaya peel and seed flours had high contents of protein and fiber and therefore can be used as alternative sources of nutrients and can also be added in foods avoiding waste and adding value to the fruit.