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      Efeito do cultivo orgânico e convencional sobre a vida-de-prateleira de alface americana (Lactuca sativa L.) minimamente processada Translated title: Effect of the organic and conventional cultive in the shelf life of iceberg lettuce (Lactuca sativa L.) minimally processed

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          Abstract

          A alface americana (Lactuca sativa), minimamente processada, foi avaliada quanto aos efeitos dos diferentes sistemas de cultivo (orgânico e convencional), sobre a vida-de-prateleira. A alface minimamente processada foi embalada em sacos de polietileno de baixa densidade (PEBD), armazenada em refrigerador a 4ºC e avaliada até o final da vida-de-prateleira, estabelecida por métodos sensoriais. As avaliações foram realizadas durante a estocagem, nas condições pré-estabelecidas. Nos tempos zero a dez dias, uma equipe sensorial treinada avaliou a alface quanto a: cor, brilho, escurecimento enzimático, aroma, odor estranho, textura e sabor (escores de zero a dez). O teste sensorial determinou que o escore seis (6) eliminaria a amostra; a alface orgânica, atingiu o escore mínimo em tempo superior ao da alface convencional, tendo sido sensivelmente superior a esta em todos os atributos testados.

          Translated abstract

          Iceberg lettuce (Lactuca sativa) obtained by conventional and organic cultivation systems and minimally processed was evaluated for the effect of different cultivation systems on shelf life. The minimally processed lettuce was packed in low-density polyethylene bags, stored in refrigerator at 4ºC and evaluated until the end of shelf life period established by a sensorial team. The evaluation was performed during the storage period under pre-determined conditions. At days zero and ten, a skilled sensorial team evaluated the lettuce for: color, brightness, enzymatic darkening, flavor, off flavor, texture and smell (scores 0 -10). The sensorial team determined that score six (6) would eliminate the sample; the organic lettuce took longer to reach the minimum score compared to the conventional lettuce and proved substantially superior to the latter regarding all the attributes tested.

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          Most cited references25

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          Pós-colheita de frutas e hortaliças – fisiologia e manuseio

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            Censo agropecuário

            (2006)
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              Preharvest factors affecting postharvest texture

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cta
                Food Science and Technology (Campinas)
                Food Sci. Technol (Campinas)
                Sociedade Brasileira de Ciência e Tecnologia de Alimentos (Campinas )
                1678-457X
                December 2003
                : 23
                : 3
                : 418-426
                Affiliations
                [1 ] Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina Brazil
                [2 ] Universidade Federal de Santa Catarina Brazil
                Article
                S0101-20612003000300022
                10.1590/S0101-20612003000300022
                895d4e03-0342-4ee1-b24c-9780d5f3c88d

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0101-2061&lng=en
                Categories
                FOOD SCIENCE & TECHNOLOGY

                Food science & Technology
                shelf life,alface,vida-de-prateleira,cultivo orgânico,cultivo convencional,organic harvesting,lettuce,conventional harvesting

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