Microencapsulation by freeze-drying of potassium norbixinate and curcumin with maltodextrin : stability, solubility, and food application
Stability of potassium norbixinate and curcumin by microencapsulation with maltodextrin DE20 and freeze-drying was evaluated as a function of exposition to light, air, different pH, water solubility, and in food applications. The best results were obtained with microencapsulated potassium norbixinate 1:20, which, when vacuum-packed and in the presence of natural light, showed color retention of 78%, while microencapsulated curcumin 1:20 showed color retention of 71%. Differential scanning calorimetry and thermogravimetry provided an indication of interaction between colorants and maltodextrin. Photoacoustic spectroscopy (PAS) showed that free and microencapsulated colorants exhibited high rates of absorption throughout the measured spectral region. This work evidenced that the freeze-drying process is favorable for microencapsulation of curcumin by maltodextrin, providing improved solubility to the microencapsulated colorant. Both microencapsulated colorants showed relevant results for use in a wide range of pH and food applications. The PAS technique was useful for the evaluation of the stability of free and microencapsulated colorants.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2013 |
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| Erschienen: |
2013 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:61 |
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| Enthalten in: |
Journal of agricultural and food chemistry - 61(2013), 4 vom: 30. Jan., Seite 955-65 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sousdaleff, Mirian [VerfasserIn] |
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| Links: |
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| Themen: |
36-88-4 |
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| Anmerkungen: |
Date Completed 15.07.2014 Date Revised 19.11.2015 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/jf304047g |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM223597643 |
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| 245 | 1 | 0 | |a Microencapsulation by freeze-drying of potassium norbixinate and curcumin with maltodextrin |b stability, solubility, and food application |
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| 500 | |a Date Completed 15.07.2014 | ||
| 500 | |a Date Revised 19.11.2015 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Stability of potassium norbixinate and curcumin by microencapsulation with maltodextrin DE20 and freeze-drying was evaluated as a function of exposition to light, air, different pH, water solubility, and in food applications. The best results were obtained with microencapsulated potassium norbixinate 1:20, which, when vacuum-packed and in the presence of natural light, showed color retention of 78%, while microencapsulated curcumin 1:20 showed color retention of 71%. Differential scanning calorimetry and thermogravimetry provided an indication of interaction between colorants and maltodextrin. Photoacoustic spectroscopy (PAS) showed that free and microencapsulated colorants exhibited high rates of absorption throughout the measured spectral region. This work evidenced that the freeze-drying process is favorable for microencapsulation of curcumin by maltodextrin, providing improved solubility to the microencapsulated colorant. Both microencapsulated colorants showed relevant results for use in a wide range of pH and food applications. The PAS technique was useful for the evaluation of the stability of free and microencapsulated colorants | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Food Coloring Agents |2 NLM | |
| 650 | 7 | |a Polysaccharides |2 NLM | |
| 650 | 7 | |a Carotenoids |2 NLM | |
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| 700 | 1 | |a Medina Neto, Antonio |e verfasserin |4 aut | |
| 700 | 1 | |a Nogueira, Ana Cláudia |e verfasserin |4 aut | |
| 700 | 1 | |a Marcolino, Vanessa Aparecida |e verfasserin |4 aut | |
| 700 | 1 | |a Matioli, Graciette |e verfasserin |4 aut | |
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