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Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads

Niizawa, Ignacio et al · Elsevier Science · 2019

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Author / responsible party
Niizawa, Ignacio et al
Publisher
Elsevier Science
Year
2019
ISSN
0141-8130
ISSN
0141-8130
Language
English

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Nowadays, consumers are more conscious about healthier products consumption benefits. Astaxanthin obtained from the microalgae Haematococcus pluvialis represents a natural ingredient for the nutraceutical and functional food industries. It is claimed that astaxanthin has much stronger antioxidant activity than vitamin E and β-carotene, providing different health benefits. However, the unstable structure of the molecule limits its application in functional foods development. Therefore, the present study evaluates the effect of five independent formulation and process variables for natural astaxanthin oleoresin encapsulation using an external ionic gelation technique. Response surface methodology can be used for studying the effect of several factors at different levels and their influences on each other, which overcomes the shortcoming of the traditional orthogonal method. The results showed that alginate and CaCl2 concentrations have a significant effect on particles size obtained, while alginate/oleoresin ratio and surfactant concentration greatly influence the astaxanthin oleoresin release rate. In vitro studies under simulated intestinal conditions showed that astaxanthin oleoresin release process can be described by Hopfenberg model. Three mathematical models were obtained for predicting particle size, astaxanthin release rate and encapsulation yield under different process conditions, providing a platform for microencapsulation technology optimization for healthy food design. Fil: Niizawa, Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina Fil: Espinaco, Brenda Yanina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina

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APA 7

Niizawa, I. E. A. (2019). Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads. http://hdl.handle.net/11336/106805

MLA

Niizawa, Ignacio et al. "Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads." 2019. http://hdl.handle.net/11336/106805.

Chicago

Niizawa, Ignacio et al. 2019. "Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads.". http://hdl.handle.net/11336/106805.

Harvard

Niizawa, I. E. A. 2019, Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads, Elsevier Science, available at: http://hdl.handle.net/11336/106805 [Accessed 7 Aug. 2026].

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Title
Natural astaxanthin encapsulation: Use of response surface methodology for the design of alginate beads
Author / contributors
Niizawa, Ignacio et al
Publisher
Elsevier Science
Publication year
2019
ISSN
0141-8130
ISSN
0141-8130
Language
English

Subjects

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ASTAXANTHIN; HAEMATOCOCCUS PLUVIALIS; ENCAPSULATION; ALGINATE BEADS; SURFACE RESPONSE METHODOLOGY; RELEASE MODEL; https://purl.org/becyt/ford/2.11; https://purl.org/becyt/ford/2
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