Orientador: Maria Aparecida Mauro / Coorientador: Claudia Dorta / Banca: Vânia Regina Nicoletti Telis / Banca: Fábio Yamashita / Banca: Alice Yoshiko Tanaka / Banca: Crislene Barbosa de Almeida / Resumo: O presente trabalho aborda alimentos minimamente processados, coberturas comestíveis e alimentos com alegação funcional pela incorporação de micro-organismos probióticos. Associar o bem estar que os probióticos proporcionam ao ser humano à tecnologia dos revestimentos comestíveis constitui uma alternativa interessante para promover a conservação de vegetais minimamente processados. Na primeira etapa do trabalho foram avaliados revestimentos à base de alginato (alginato de sódio 1,75 g/100 g de água, glicerol 0,5 g/100 g de água, óleo de girassol 0,075 g/100 g de água, tween 80 0,025 g/100 g de água), adicionados ou não da cepa probiótica liofilizada Lactobacillus acidophilus LA-14 (2,3 x 107 UFC.g-1). Numa segunda etapa foram realizados experimentos com coberturas compostas por alginato (alginato de sódio 1,5 g/100 g de água, glicerol 0,75 g/100 g de água, óleo de girassol 0,04 g/100 g de água e tween 80 0,05 g/100 g de água) e por alginato (mesma composição) com quitosana (quitosana 0,75 g/100 g de água), cujos revestimentos tiveram adição ou não da cepa Lactobacillus acidophilus LA-3 ativados, na ordem de 3,9 x 108 UFC.g-1. Cenouras minimamente processadas foram mergulhadas nas soluções de coberturas, que foram reticuladas em solução de cloreto de cálcio, e armazenadas à temperatura de 8 ºC ± 2 ºC, juntamente com as amostras controle (cenoura minimamente processada), para condução das análises físicas, químicas e microbiológicas por período de aproximadamente 20 dias. Na... / Abstract: The present work deals with minimally processed products, edible coatings and foods with functional claim for the incorporation of probiotic microorganisms. Associating the well-being that probiotics provide to humans with edible coatings technology is an interesting alternative to promote the conservation of minimally processed vegetables. In the first stage of the work, alginate based coatings (sodium alginate 1.75 g / 100 g water, glycerol 0.5 g / 100 g water, sunflower oil 0.075 g / 100 g water, tween 80 0.025 g / 100 g water), added or not of the lyophilized probiotic strain Lactobacillus acidophilus LA-14 (2.3 x 107 CFU.g-1 ). In a second step, experiments were performed with alginate coatings (sodium alginate 1.5 g / 100 g water, glycerol 0.75 g / 100 g water, sunflower oil 0.04 g / 100 g water and tween 80 0.05 g / 100 g water) and alginate (same composition) with chitosan (chitosan 0.75 g/ 100 g water), whose coatings had lyophilized and activated Lactobacillus acidophilus LA-3 addition, on the order of 3.9 x 108 CFU.g-1 . Minimally processed carrots were immersed in the coating solutions, which were cross-linked in calcium chloride solution, and stored at 8 ° C ± 2 ° C, together with the control (minimally processed carrot) samples, to conduct the physical, chemical and for approximately 20 days. In the third stage, sensorial analyzes of carrots coated with alginate and alginate and chitosan were carried out on days 1, 7 and 14 of storage. In the last stage, the physical, chemical, microbiological and sensorial analyzes of the samples were performed with sodium alginate based on coconut water, with and without the addition of activated Lactobacillus acidophilus LA-3, to 22 days of storage. The results obtained in the first step showed that the alginate coatings, with and without LA-14 lyophilized Lactobacillus acidophilus, when compared to the control, reduced the ... / Doutor