Okara extract as a potential platform for micronutrients encapsulation in food fortification

Micronutrients malnutrition is one of the major public health challenges in the world, particularly in developing countries. Various strategies have been established to address this problem. Food fortification is one of the most effective, cost-efficient, and sustainable strategies, which involves t...

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Main Author: Theniko, Nasya Martin
Other Authors: Loo Say Chye Joachim
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2020
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Online Access:https://hdl.handle.net/10356/136705
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-1367052023-03-04T15:35:29Z Okara extract as a potential platform for micronutrients encapsulation in food fortification Theniko, Nasya Martin Loo Say Chye Joachim School of Materials Science and Engineering joachimloo@ntu.edu.sg Engineering::Materials::Biomaterials Micronutrients malnutrition is one of the major public health challenges in the world, particularly in developing countries. Various strategies have been established to address this problem. Food fortification is one of the most effective, cost-efficient, and sustainable strategies, which involves the addition of micronutrients to common staple foods to maintain or improve the quality of one’s diet. However, micronutrients are not stable by themselves and encapsulation with a stable and digestible material is needed. One potential materials for encapsulation is Okara, a nutritionally rich by-product generated during tofu and soymilk production processes. Unlike other alternatives—such as hydrogenated oils, alginate, tapioca, etc.—that have been previously investigated for micronutrients encapsulation, okara usage for micronutrients encapsulation is a novel avenue which remains unexplored. Thus, the objective of this study was to investigate an effective extraction method for okara processing and develop an encapsulation system for β-carotene. The efficacy of extraction process was investigated in varying acidic/alkaline conditions, followed by two different drying methods; freeze-drying and spray-drying. The extracts were tested with FTIR, TGA, DSC, and SEM analysis for material characterization and the extracts were then used to encapsulate β-carotene. A highly acidic condition (pH 2) was observed to be the most effective for the okara-polysaccharide extraction. Bachelor of Engineering (Materials Engineering) 2020-01-10T07:45:48Z 2020-01-10T07:45:48Z 2019 Final Year Project (FYP) https://hdl.handle.net/10356/136705 en application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Materials::Biomaterials
spellingShingle Engineering::Materials::Biomaterials
Theniko, Nasya Martin
Okara extract as a potential platform for micronutrients encapsulation in food fortification
description Micronutrients malnutrition is one of the major public health challenges in the world, particularly in developing countries. Various strategies have been established to address this problem. Food fortification is one of the most effective, cost-efficient, and sustainable strategies, which involves the addition of micronutrients to common staple foods to maintain or improve the quality of one’s diet. However, micronutrients are not stable by themselves and encapsulation with a stable and digestible material is needed. One potential materials for encapsulation is Okara, a nutritionally rich by-product generated during tofu and soymilk production processes. Unlike other alternatives—such as hydrogenated oils, alginate, tapioca, etc.—that have been previously investigated for micronutrients encapsulation, okara usage for micronutrients encapsulation is a novel avenue which remains unexplored. Thus, the objective of this study was to investigate an effective extraction method for okara processing and develop an encapsulation system for β-carotene. The efficacy of extraction process was investigated in varying acidic/alkaline conditions, followed by two different drying methods; freeze-drying and spray-drying. The extracts were tested with FTIR, TGA, DSC, and SEM analysis for material characterization and the extracts were then used to encapsulate β-carotene. A highly acidic condition (pH 2) was observed to be the most effective for the okara-polysaccharide extraction.
author2 Loo Say Chye Joachim
author_facet Loo Say Chye Joachim
Theniko, Nasya Martin
format Final Year Project
author Theniko, Nasya Martin
author_sort Theniko, Nasya Martin
title Okara extract as a potential platform for micronutrients encapsulation in food fortification
title_short Okara extract as a potential platform for micronutrients encapsulation in food fortification
title_full Okara extract as a potential platform for micronutrients encapsulation in food fortification
title_fullStr Okara extract as a potential platform for micronutrients encapsulation in food fortification
title_full_unstemmed Okara extract as a potential platform for micronutrients encapsulation in food fortification
title_sort okara extract as a potential platform for micronutrients encapsulation in food fortification
publisher Nanyang Technological University
publishDate 2020
url https://hdl.handle.net/10356/136705
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