- Page 1 and 2: Instituto de Agroquímica y Tecnolo
- Page 3 and 4: DESARROLLO Y CARACTERIZACIÓN DE PO
- Page 5 and 6: DESENVOLUPAMENT I CARACTERITZACIÓ
- Page 7 and 8: DEVELOPMENT AND CHARACTERIZATION OF
- Page 9 and 10: 1. INTRODUCCIÓN 1.1. ENVASADO ACTI
- Page 11 and 12: 1.1.1. Características básicas de
- Page 13 and 14: adecuadas para permitir la acción
- Page 15 and 16: educción de los recuentos microbio
- Page 17: 1.1.2. Legislación de envases acti
- Page 21 and 22: Figura 2. Estructura de los monóme
- Page 23 and 24: autooxidación, cuando la ranciedad
- Page 25 and 26: antioxidante. Actúa como agente en
- Page 27 and 28: Ambos mecanismos dependen del disol
- Page 29 and 30: Figura 4. Esquema de un envase acti
- Page 31 and 32: Actualmente existen pocos materiale
- Page 33 and 34: Figura 6. Formación de complejos d
- Page 35 and 36: y se añadieron distintos agentes e
- Page 37 and 38: Dias, H., Berbicz, F., Pedrochi, F.
- Page 39 and 40: Lopez, P., Sanchez, C., Batlle, R.,
- Page 41 and 42: Seppanen, C.M., Song, Q.H., Csallan
- Page 43 and 44: 2. OBJETIVOS
- Page 45 and 46: ) Materiales activos para el contro
- Page 47 and 48: 3. RESULTADOS Y DISCUSIÓN En esta
- Page 49 and 50: contacto directo con el alimento, c
- Page 51 and 52: Para comprobar la actividad en un c
- Page 53 and 54: intención de estudiar el efecto so
- Page 55 and 56: RH 50 RH 75 RH 100 RH 50 RH 90 Blan
- Page 57 and 58: “CASTING” 100% H2O 10% EtOH 95%
- Page 59 and 60: ciclodextrinas, βCD, en el ímero
- Page 61 and 62: inferiores de permeabilidad se obtu
- Page 63 and 64: Artículo 1 IMPROVING THE ANTIOXIDA
- Page 65 and 66: 1. INTRODUCTION Oxidation processes
- Page 67 and 68: are still released into the atmosph
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analysis. Their thermal properties,
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aluminum foil to protect the conten
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Heat Flow (J/g) 2 0 -2 -4 -6 -8 -10
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Figure 1.2. Derivative of the weigh
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Table 1.2. Water Vapor and Oxygen P
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A second important factor was the f
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Figure 1.4. Partition (K) and diffu
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The reason for this effect is the a
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Lopez-Rubio, A., Almenar, E., Herna
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Artículo 2 REDUCING OXIDATION OF F
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1. INTRODUCTION Lipids are found na
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donate hydrogen atoms or electrons
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ml. A gas stream containing hydroxy
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where V is the volume of sodium thi
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To monitor the antioxidant activity
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u. A. (hexanal) 60000 50000 40000 3
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Peroxide index (meq O 2 /Kg) 100 80
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Han, J. H., Hwang, H. M., Min, S.,
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Williams, J. P., Duncan, S. E., Wil
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ABSTRACT Ethylene vinyl alcohol cop
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(EGC), (-)-gallocatechin gallate (G
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wavelength in the presence of the s
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were measured. All of the samples w
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DPPH • method in the case of the
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of them identified as gallic acid (
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TGA of the two polymeric samples sh
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The addition of the green tea extra
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this liquid. Catechins, the most po
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Table 3.4. Concentration of four id
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matrices. Kinetically, the release
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values (shown in Figure 3.6). As ca
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ACKNOWLEDGEMENTS The authors acknow
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Contaminants Part a-Chemistry Analy
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Artículo 4 ACTIVE ANTIOXIDANT PACK
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1. INTRODUCTION Active packaging wi
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groups. Catechins are the principal
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aluminum cups were filled with 7 g
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was performed by immersion in brine
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Table 4.1. Concentration of antioxi
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The second and biggest process for
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incorporating antioxidants although
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and the hydroxyl groups of the poly
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Figure 4.4. Experimental data and t
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Figure 4.6. Partition (K) and diffu
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process. No reliable D values could
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was more efficient in the initial a
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ACKNOWLEDGEMENTS The authors acknow
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López-de-Dicastillo, C., Catalá,
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3.2. DESARROLLO DE MATERIALES PARA
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ABSTRACT Current developments in ac
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complexes, entrapping all or part o
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2. MATERIALS AND METHODS 2.1. Chemi
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applicable EC directives (European
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Orangeburg, USA). The concentration
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2.8. Statistical analysis One-way a
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from the films was carried out by d
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literature on this material (Aucejo
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depression differed, being wider wi
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presence of glycerol in the sample
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addition of βCD increased the diff
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Aproximately 90% of the α-pinene a
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EVOH with glycerol is highly plasti
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Grob, K., Biedermann, M., Scherbaum
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Artículo 6 FOOD APPLICATIONS OF AC
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1. INTRODUCTION Active packaging is
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The aim of this work was to use the
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The transparency of the films was d
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2.4. Monitoring oxidation by-produc
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Figure 6.1 shows the profile of K/S
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within the active matrix has a prot
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of peanuts (Han et al., 2008). In t
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generated by oxidation of frying oi
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factors of the compounds were simil
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Analysis, and Packaging Influences,
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Artículo 7 DEVELOPMENT OF ACTIVE P
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1. INTRODUCTION The development of
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2. MATERIALS AND METHODS 2.1. Chemi
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column (4.6 x 150 mm, 5 µm particl
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To simulate the conditions of a con
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matches the case of a migration pro
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was higher and PVOH sensitivity to
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PVOH*.CD and PVOH.CD*, indicating a
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As can be seen, the spectra of the
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Table 7.2 Thermal properties of the
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degradation band of the pure βCD (
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(PVOH.CD)* 9.6 ± 1.1 b,x 38.3 ± 2
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4. CONCLUSIONS Water resistant poly
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Lopez-de-Dicastillo, C., Gallur, M.
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4. CONCLUSIONES 1. Se han obtenido
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8. Según los resultados derivados