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Carotenoid and Phenolic Profile of Tomato Juices Processed by High Intensity Pulsed Electric Fields Compared with Conventional Thermal Treatments by Isabel Odriozola-Serrano; Robert Soliva-Fortuny; Teresa Hernández-Jover; Olga Martín-Belloso is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Carotenoid and Phenolic Profile of Tomato Juices Processed by High Intensity Pulsed Electric Fields Compared with Conventional Thermal Treatments about?
The effect of high intensity pulsed electric fields (HIPEF) processing (35 kV/cm for 1500 ls of overall treatment time with bipolar pulses of 4-ls at 100 Hz) and heat pasteurisation (90 °C for 30 s or 60 s) on carotenoids and phenolic compounds as well as on some quality attributes (pH, soluble solids and colour parameters) of tomato juice was evaluated and compared, having the untreated juice as a reference. Processing enhanced some carotenoids (lycopene, b-carotene and phytofluene) and the red colour of juices, whereas no significant changes in phenolic compounds, pH and soluble solids were observed between treated and untreated juices. A slight decrease in overall health-related compounds was observed over time, with the exception of some carotenoids (b-carotene and phytoene) and caffeic acid. However, HIPEF-processed tomato juices maintained higher content of carotenoids (lycopene, neurosporene and c-carotene) and quercetin through the storage time than thermally and untreated juices. Hence, the application of HIPEF may be appropriate to achieve not only safe but also nutritious and fresh like tomato juice.
Who reads Carotenoid and Phenolic Profile of Tomato Juices Processed by High Intensity Pulsed Electric Fields Compared with Conventional Thermal Treatments?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Isabel Odriozola-Serrano; Robert Soliva-Fortuny; Teresa Hernández-Jover; Olga Martín-Belloso
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0308-8146)
- Published
- 2009
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)