Parâmetros Químicos, Físicos e Físico-químicos de Resíduos da Manga

• Main Author: Danielle Martins Lemos
• Format: Article
• Language: English
• Published: Grupo Verde de Agroecologia e Abelhas (GVAA) 2013-05-01
• Series: Revista Verde de Agroecologia e Desenvolvimento Sustentável
• Online Access: http://www.gvaa.com.br/revista/index.php/RVADS/article/view/1941

<!--[if gte mso 9]><xml> <o:DocumentProperties> <o:Author>M&aacute;rcia</o:Author> <o:Version>12.00</o:Version> </o:DocumentProperties> <o:OfficeDocumentSettings> <o:RelyOnVML /> <o:AllowPNG /> </o:OfficeDocumentSettings> </xml><![endif]--><p class="MsoNormal" style="line-height: normal;"><span style="font-size: 12.0pt; font-family: 'Times New Roman','serif';"><span style="mso-spacerun: yes;"> </span><strong>Resumo – </strong><span style="mso-bidi-font-weight: bold;">A manga é uma fruta tropical utilizada na indústria de processamento de alimentos onde, na maioria das vezes faz-se uso da polpa e descarte dos resíduos que poderiam ser adequados a dieta humana devido à sua composição nutricional<strong>. </strong></span>Objetivou-se com este trabalho a avaliação química, física e físico-química das fibras e cascas da manga <em style="mso-bidi-font-style: normal;">cv. Haden</em>. Os resíduos foram obtidos a partir do processamento da manga descascada em uma despolpadeira semi-profissional para posterior determinação de cor, teor de sólidos solúveis totais, pH, acidez total titulável, teor de água, açúcares totais e cinzas. Os resultados coletados para cascas e fibras foram respectivamente, pH, 4,46<span style="mso-spacerun: yes;">  </span>e 4,34; °Brix, 14,33 e 10; acidez titulável, 0,09 e 0,28%; cinzas, 0,65 e 0,44%; teor de água, 79,56 e 84,81%; açúcar redutor, 6,14 e 3,44%; atividade de água (a_w)_,0,99 para ambos; além da determinação de cor, a qual constatou que para luminosidade (L*) as fibras apresentaram coloração mais clara; para parâmetros a* e b* ambas estavam dentro da escala da intensidade de vermelho (+a*) e amarelo (+b*). Observou-se que as amostras possuíam caráter ácido, valores consideráveis de nutrientes e coloração atrativa ao consumidor.</span></p><p class="Default" style="text-align: justify;"> </p><p class="Default" style="text-align: justify;"><strong style="mso-bidi-font-weight: normal;">Palavras-chave</strong>: caracterização, cascas, fibras, fruta.</p><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves /> <w:TrackFormatting /> <w:HyphenationZone>21</w:HyphenationZone> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF /> <w:LidThemeOther>PT-BR</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables /> <w:SnapToGridInCell /> <w:WrapTextWithPunct /> 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