Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers

Abstract The solar dryer can reduce production costs, energy consumption, waste (use fruits outside the quality standard for fresh consumption) and is an alternative for small and medium producers. The solar dryer can reduce costs and is an alternative for small and medium producers worldwide. The c...

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Autores principales:	Wellington Souto Ribeiro, Adriano Sant’Ana Silva, Álvaro Gustavo Ferreira da Silva, Ana Marinho do Nascimento, Marcelo Augusto Rocha Limão, Franciscleudo Bezerra da Costa, Pahlevi Augusto de Souza, Alexandre José de Melo Queiroz, Osvaldo Soares da Silva, Pluvia Oliveira Galdino, Rossana Maria Feitosa de Figueirêdo, Silvanda de Melo Silva, Fernando Luiz Finger
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4989f593aa534d2e9e500d770f4ebf13
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spelling	oai:doaj.org-article:4989f593aa534d2e9e500d770f4ebf132021-12-02T18:53:14ZHandmade solar dryer: an environmentally and economically viable alternative for small and medium producers10.1038/s41598-021-94353-82045-2322https://doaj.org/article/4989f593aa534d2e9e500d770f4ebf132021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94353-8https://doaj.org/toc/2045-2322Abstract The solar dryer can reduce production costs, energy consumption, waste (use fruits outside the quality standard for fresh consumption) and is an alternative for small and medium producers. The solar dryer can reduce costs and is an alternative for small and medium producers worldwide. The consumption of fresh and processed tomatoes is high in the world, but post-harvest losses is also and drying is an alternative to reduce these losses. The temperature maintenance and drying time corresponds 30% of the costs. The objective was evaluated the tomato physicochemical characteristics after drying in handmade solar dryer. ‘Carmen’ tomato fruits were bleached in water, 2.5% NaCl solution, 2.5% NaCl + 0.5% CaCl2 solution and unbleached. Tomato slices were placed in a handmade solar dryer from 7:00 to 17:00. The solar dryer prototype was wood made, comprising a collector and a drying chamber. The average cost of the camera was US$ 13.08 (1 Brazilian Real = 0.26 United States Dollar). Water loss, drying kinetics, mathematical models and physicochemical characteristics of fresh and dried tomatoes were evaluated. The average length of solar drying for the four treatments was 30 h and the Midilli and Kucuk mathematical model was the most adjusted. The acidity, reducing sugars and soluble solids were concentrated by drying, while ascorbic acid was reduced. The pH did not change. Tomatoes 'Carmen' can be dried in a handmade solar dryer for 30 h while maintaining product quality.Wellington Souto RibeiroAdriano Sant’Ana SilvaÁlvaro Gustavo Ferreira da SilvaAna Marinho do NascimentoMarcelo Augusto Rocha LimãoFranciscleudo Bezerra da CostaPahlevi Augusto de SouzaAlexandre José de Melo QueirozOsvaldo Soares da SilvaPluvia Oliveira GaldinoRossana Maria Feitosa de FigueirêdoSilvanda de Melo SilvaFernando Luiz FingerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Wellington Souto Ribeiro Adriano Sant’Ana Silva Álvaro Gustavo Ferreira da Silva Ana Marinho do Nascimento Marcelo Augusto Rocha Limão Franciscleudo Bezerra da Costa Pahlevi Augusto de Souza Alexandre José de Melo Queiroz Osvaldo Soares da Silva Pluvia Oliveira Galdino Rossana Maria Feitosa de Figueirêdo Silvanda de Melo Silva Fernando Luiz Finger Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
description	Abstract The solar dryer can reduce production costs, energy consumption, waste (use fruits outside the quality standard for fresh consumption) and is an alternative for small and medium producers. The solar dryer can reduce costs and is an alternative for small and medium producers worldwide. The consumption of fresh and processed tomatoes is high in the world, but post-harvest losses is also and drying is an alternative to reduce these losses. The temperature maintenance and drying time corresponds 30% of the costs. The objective was evaluated the tomato physicochemical characteristics after drying in handmade solar dryer. ‘Carmen’ tomato fruits were bleached in water, 2.5% NaCl solution, 2.5% NaCl + 0.5% CaCl2 solution and unbleached. Tomato slices were placed in a handmade solar dryer from 7:00 to 17:00. The solar dryer prototype was wood made, comprising a collector and a drying chamber. The average cost of the camera was US$ 13.08 (1 Brazilian Real = 0.26 United States Dollar). Water loss, drying kinetics, mathematical models and physicochemical characteristics of fresh and dried tomatoes were evaluated. The average length of solar drying for the four treatments was 30 h and the Midilli and Kucuk mathematical model was the most adjusted. The acidity, reducing sugars and soluble solids were concentrated by drying, while ascorbic acid was reduced. The pH did not change. Tomatoes 'Carmen' can be dried in a handmade solar dryer for 30 h while maintaining product quality.
format	article
author	Wellington Souto Ribeiro Adriano Sant’Ana Silva Álvaro Gustavo Ferreira da Silva Ana Marinho do Nascimento Marcelo Augusto Rocha Limão Franciscleudo Bezerra da Costa Pahlevi Augusto de Souza Alexandre José de Melo Queiroz Osvaldo Soares da Silva Pluvia Oliveira Galdino Rossana Maria Feitosa de Figueirêdo Silvanda de Melo Silva Fernando Luiz Finger
author_facet	Wellington Souto Ribeiro Adriano Sant’Ana Silva Álvaro Gustavo Ferreira da Silva Ana Marinho do Nascimento Marcelo Augusto Rocha Limão Franciscleudo Bezerra da Costa Pahlevi Augusto de Souza Alexandre José de Melo Queiroz Osvaldo Soares da Silva Pluvia Oliveira Galdino Rossana Maria Feitosa de Figueirêdo Silvanda de Melo Silva Fernando Luiz Finger
author_sort	Wellington Souto Ribeiro
title	Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
title_short	Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
title_full	Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
title_fullStr	Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
title_full_unstemmed	Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
title_sort	handmade solar dryer: an environmentally and economically viable alternative for small and medium producers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4989f593aa534d2e9e500d770f4ebf13
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Handmade solar dryer: an environmentally and economically viable alternative for small and medium producers

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