Search Results - "Vila Real, Helder J."

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  1. 1

    High pressure-temperature effects on enzymatic activity: Naringin bioconversion by Vila Real, Helder J., Alfaia, António J., Calado, António R.T., Ribeiro, Maria H.L.

    Published in Food chemistry (2007)
    “…Initially exploited in chemistry and physics, high-pressure technology has gained importance in various fields. Flavonoids, namely naringin and naringenin,…”
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    Journal Article
  2. 2

    Contribution of response surface methodology to the modeling of naringin hydrolysis by naringinase Ca-alginate beads under high pressure by Ribeiro, Maria H.L., Afonso, Cristina, Vila-Real, Helder J., Alfaia, António J., Ferreira, Luís

    Published in Food science & technology (01-04-2010)
    “…Naringin is the dominant flavonoid bitter principle in grapefruit juice. The aim of this work was the modeling of the enzymatic hydrolysis of naringin, with…”
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    Journal Article
  3. 3

    Design of an immobilized enzyme system for naringin hydrolysis at high-pressure by Pedro, Helder A.L., Alfaia, António J., Marques, João, Vila-Real, Helder J., Calado, António, Ribeiro, Maria H.L.

    Published in Enzyme and microbial technology (05-02-2007)
    “…The effect of pressure was studied in an enzymatic reaction with an immobilized biocatalyst. Naringinase immobilized by entrapment in calcium alginate beads…”
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    Journal Article Conference Proceeding
  4. 4

    Modelling of the high pressure–temperature effects on naringin hydrolysis based on response surface methodology by Marques, João, Vila-Real, Helder J., Alfaia, António J., Ribeiro, Maria H.L.

    Published in Food chemistry (2007)
    “…The aim of this study was the modelling, under high pressure, of naringin hydrolysis by naringinase. Response surface methodology (RSM) was used to compare the…”
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    Journal Article