Browsing by Author "Rocha, A. M. C. N."
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- Activity of 'Jonagored' apple polyphenoloxidase (PPO) stored in controlled atmospherePublication . Rocha, A. M. C. N.; Morais, A. M. M. B.
- Caracterização físico-química e sensorial de uma nova variedade de maçã (cv. Jonagored)Publication . Rocha, A. M. C. N.; Morais, A. M. M. B.
- Characterization of polyphenoloxidase extracted from ‘Jonagored’ applePublication . Rocha, A. M. C. N.; Morais, A. M. M. B.
- Efeito do armazenamento sob vácuo na actividade da PPO e nos compostos fenólicos da cenoura descascada (cv. Nantes)Publication . Rocha, A. M. C. N.; Mota, C. A. R.; Morais, A. M. M. B.
- Immersion time for ascorbic acid dipping of cut apple (cv. Jonagored) qualityPublication . Rocha, A. M. C. N.; Morais, A. M. M. B.
- Influence of chemical treatment and controlled atmosphere on some quality parameters of cut apple ('jonagored’) stored at 4°cPublication . Rocha, A. M. C. N.; Brochado, C. M. S.; Morais, A. M. M. B.
- Influence of chemical treatment on quality of cut orange stored at 4°cPublication . Rocha, A. M. C. N.; Brochado, C. M. S.; Morais, A. M. M. B.
- Influence of controlled atmosphere storage on polyphenoloxidase activity in relation to colour changes of minimally processed ‘Jonagored’ applePublication . Rocha, A. M. C. N.; Morais, M. M. B.The effects of the storage atmosphere composition (2% O2 + 4% CO2; 2% O2 + 8% CO2; 2% O2 + 12% CO2) on polyphenoloxidase activity and phenolic content of the ‘Jonagored’ apple variety during cold storage was evaluated, and the relationship with enzymatic browning investigated. Controlled atmosphere storage inhibited the polyphenoloxidase (PPO) activity of apple cubes during storage. It seems that the higher the concentration of carbon dioxide in the storage atmosphere the higher inhibition of PPO and the lower browning achieved. At the substrate-enzyme levels investigated, the phenolic content, substrate level was the major factor determining darkening.
- Influência do armazenamento sob atmosfera controlada na qualidade de maçã minimamente processadaPublication . Rocha, A. M. C. N.; Morais, A. M. M. B.
- Modified atmosphere packaging for the shelf-life extension of cut-apple (c.v. jonagored)Publication . Rocha, A. M. C. N.; Brochado, C. M. S.; Morais, Alcina M. M. B.