Search Results - "Tomao, Valerie"
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Instant controlled pressure drop technology and ultrasound assisted extraction for sequential extraction of essential oil and antioxidants
Published in Ultrasonics sonochemistry (01-01-2013)“…► Comparison of standard and innovative extraction processes. ► Sequential combination of instant controlled pressure drop and ultrasound extraction. ►…”
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2
Encapsulation of phenolic acids into cyclodextrins: A global statistical analysis of the effects of pH, temperature and concentrations on binding constants measured by ACE methods
Published in Electrophoresis (01-12-2022)“…Affinity capillary electrophoresis was used for the simultaneous measurement of the pKa values and of the binding constants relative to the encapsulation of…”
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3
Ultrasound assisted maceration: An original procedure for direct aromatisation of olive oil with basil
Published in Food chemistry (01-12-2010)“…Aromatisation of olive oil is a new trend in the Mediterranean area, both for sensory and for nutritional improvement. This work presents the development of a…”
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The inclusion complex of rosmarinic acid into beta-cyclodextrin: A thermodynamic and structural analysis by NMR and capillary electrophoresis
Published in Food chemistry (01-10-2016)“…•Investigation of the RA-β-CD complex by 1H NMR and CE.•Estimation of the stoichiometry and binding constant by 1H NMR.•Structural analysis of the RA-β-CD…”
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5
Characterization of hydroxytyrosol-β-cyclodextrin complexes in solution and in the solid state, a potential bioactive ingredient
Published in Food science & technology (01-03-2019)“…This study focused for the first time on characterizing the inclusion complexes between β-cyclodextrin (β-CD) and hydroxytyrosol (HT) in the solid state. In…”
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6
Towards the industrial production of antioxidants from food processing by-products with ultrasound-assisted extraction
Published in Ultrasonics sonochemistry (01-08-2010)“…Apple pomace, a by-product of the cider production, has been studied as a potential source of polyphenols, compounds of great interest for the industry…”
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Direct and Rapid Profiling of Biophenols in Olive Pomace by UHPLC-DAD-MS
Published in Food analytical methods (01-04-2018)“…Olive mill by-products are effluents generated during olive oil production process. The two-phase centrifugation system produces a semi-solid olive pomace…”
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Thermal and mechanical intensification of essential oil extraction from orange peel via instant autovaporization
Published in Chemical engineering and processing (01-10-2013)“…•Thermal and mechanical processes required for citrus peel extraction.•DIC gathered thermal and mechanical aspects for extraction.•Extraction of volatile…”
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Deodorization by instant controlled pressure drop autovaporization of rosemary leaves prior to solvent extraction of antioxidants
Published in Food science & technology (01-04-2013)“…During the extraction of antioxidants from a natural product, volatile compounds are also extracted and consequently the final extract quality is decreased…”
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10
First approach on moisture determination in food products using alpha-pinene as an alternative solvent for Dean–Stark distillation
Published in Food chemistry (01-09-2012)“…The conventional Dean–Stark (CDS) distillation is one of the most commonly analytical methods used to determine water content in food products. Toluene is the…”
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11
Green procedure using limonene in the Dean–Stark apparatus for moisture determination in food products
Published in Analytica chimica acta (26-07-2010)“…In the past 10 years, trends in analytical chemistry have turned toward the green chemistry which endeavours to develop new techniques that reduce the…”
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Interactions of quercetin with iron and copper ions: complexation and autoxidation
Published in Free radical research (2006)“…Quercetin (3,3',4',5,7-pentahydroxyflavone), one of the most abundant dietary flavonoids, has been investigated for its ability to bind Fe(II), Fe(III), Cu(I)…”
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13
First approach on edible oil determination in oilseeds products using alpha-pinene
Published in The Journal of essential oil research (01-12-2013)“…Traditional solvents are generally volatile organic compounds, harmful for health and environment. Among these solvents, n -hexane is the most recommended…”
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14
Extraction of kiwi seed oil: Soxhlet versus four different non-conventional techniques
Published in Natural product research (01-06-2011)“…Kiwi seed oil has a nutritionally interesting fatty acid profile, but a rather low oxidative stability, which requires careful extraction procedures and…”
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15
Microwave-assisted water extraction of green tea polyphenols
Published in Phytochemical analysis (01-09-2009)“…Introduction - Green tea, a popular drink with beneficial health properties, is a rich source of specific flavanols (polyphenols). There is a special interest…”
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New and rapid analytical procedure for water content determination: Microwave accelerated Dean–Stark
Published in Analytica chimica acta (26-01-2009)“…Development of new procedures in analytical chemistry is currently increasingly focussed on reducing the time, cost and energy to carry out routine analyses…”
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17
Comparison of the Anthocyanin Composition during Ripening of Syrah Grapes Grown Using Organic or Conventional Agricultural Practices
Published in Journal of agricultural and food chemistry (26-07-2006)“…The anthocyanin composition of Syrah grapes harvested at different stages of ripening and produced using organic or conventional agriculture was studied…”
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18
Optimization of Procedures for In-Line Extraction of Lipids and Polyphenols from Grape Seeds
Published in Food analytical methods (2014)“…Grape seeds ( Vitis vinifera L.), a type of raw material containing around 20 % ( w / w ) of lipids and 20 % ( w / w ) of phenolic compounds in dry weight, are…”
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19
Geographical Differentiation of Rosemary Based on GC/MS and Fast HPLC Analyses
Published in Food analytical methods (01-02-2013)“…This paper focuses on characterization of target compounds of rosemary from 16 regions of Algeria in order to highlight the correlation between the samples…”
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Effect of Foods and β‑Cyclodextrin on the Bioaccessibility and the Uptake by Caco‑2 Cells of Hydroxytyrosol from Either a Pure Standard or Alperujo
Published in Journal of agricultural and food chemistry (09-05-2018)“…Hydroxytyrosol bioaccessibility and absorption by the intestinal cells were studied using an in vitro digestion model and Caco-2 TC7 monolayers cells in…”
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