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Physico-chemical characterization of chitosan-based edible films incorporating ...

Bourbon, A. I.; Pinheiro, A. C.; Cerqueira, M. A.; Rocha, Cristina M. R.; Avides, Maria do Carmo; Quintas, Mafalda A. C.; Vicente, A. A.

Chitosan packaging films containing different bioactive compounds (a peptide fraction from whey protein concentrate (WPC) hydrolysate, glycomacropeptide (GMP) and lactoferrin) were produced and their mechanical and barrier properties were evaluated. The molecular weight of protein-based compounds was determined using SDS–PAGE. The addition of GMP and lactoferrin to chitosan film caused a significant reduction o...


Nanoemulsions of β-carotene using a high-energy emulsification-evaporation tech...

Silva, Hélder D.; Cerqueira, M. A.; Souza, B. W. S.; Ribeiro, Clara; Avides, Maria do Carmo; Quintas, Mafalda A. C.; Coimbra, Jane Sélia dos Reis

Nanoemulsions of β-carotene were prepared using a high-energy emulsification-evaporation technique based on a 23 level factorial design. Results show that it is possible to obtain dispersions at a nanoscale range. Process parameters such as time and shear rate of homogenization affected significantly particle size distribution in terms of volume-weighted mean diameter and surface-weighted mean diameter. The obt...


ASPM is an oncoprotein and activates EGFR

Martinho, Olga Catarina Lopes; Reis, R. M.; Avides, Maria do Carmo


Shelf life extension of Ricotta cheese using coatings of galactomannans from no...

Martins, Joana; Cerqueira, M. A.; Souza, B. W. S.; Avides, Maria do Carmo; Vicente, A. A.

Shelf life extension of Ricotta cheese was evaluated at 4 °C upon the use of edible coatings made of galactomannans from Gleditsia triacanthos incorporating nisin against Listeria monocytogenes. Three different treatments were tested in cheese: samples without coating; samples with coating without nisin; and samples with coating containing 50 IU·g−1 of nisin. To test the effectiveness of the treatments against ...


Production of β-carotene nanoemulsions prepared by a high-speed blender: charac...

Silva, Hélder D.; Cerqueira, Miguel Ângelo Parente Ribeiro; Souza, B. W. S.; Ribeiro, Clara; Avides, Maria do Carmo; Coimbra, Jane S.

An efficient implementation of nanotechnology at the industrial level depends on the development of new tools for the application of strategies aimed at improving food quality and human health. Such strategies should offer the potential to significantly improve the solubility and bioavailability of many functional ingredients. The aim of the present work was to prepare -carotene stable nanoemulsions as potentia...


Nano structures for food applications

Silva, Hélder D.; Cerqueira, M. A.; Souza, B. W. S.; Ribeiro, Clara; Avides, Maria do Carmo; Quintas, Mafalda A. C.; Teixeira, J. A.; Vicente, A. A.


Effect of the application of a galactomannan coating incorporating nisin on the...

Martins, Joana; Cerqueira, M. A.; Souza, B. W. S.; Avides, Maria do Carmo; Vicente, A. A.

Antimicrobial packaging, besides protecting the product from the external environment, inhibits or delays microorganism growth in foods and meets the actual demand of consumers for healthier foods, containing less additives (Lopez‐Rubio, Gavara, & Lagaron, 2006). Cheese is a ready‐to‐eat type of food that has been associated with foodborne listeriosis. Listeria monocytogenes is an important ubiquitous foodborne...


Differentiation of human pre-adipocytes by recombinant adiponectin

Avides, Maria do Carmo; Domingues, Lucília; Vicente, A. A.; Teixeira, J. A.

Obesity has become a global health problem and it is linked to a higher risk of diseases and metabolic disorders such as diabetes, cardiovascular disease, and cancer. The adipose tissue plays an important role in monitoring and controlling whole-body metabolism by secreting a variety of bioactive molecules such as adiponectin. Deficiencies of this hormone can cause type II diabetes and cardiovascular disease bo...


Cloning and expression of frutalin, an alpha-D-galactose binding lectin, in Pic...

Oliveira, Carla Cristina Marques de; Felix, W.; Costa, Sofia M.; Avides, Maria do Carmo; Moreira, R. A.; Teixeira, J. A.; Domingues, Lucília


A requirement for the abnormal spindle protein to organise microtubules of the ...

Riparbelli, Maria Giovanna; Callaini, Giuliano; Glover, David M.; Avides, Maria do Carmo

Drosophila abnormal spindle (asp) mutants exhibit a mitotic metaphase checkpoint arrest with abnormal spindle poles, which reflects a requirement for Asp for the integrity of microtubule organising centres. In male meiosis, the absence of a strong spindle integrity checkpoint enables asp mutant cells to proceed through telophase. However, the central spindle region is not correctly organised and cells frequentl...


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