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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kim, Jong-Yea Huber, Kerry C. |
| Description | Author Affiliation: Kim JY ( School of Food Science, University of Idaho, P.O. Box 442312, Moscow, ID 83844, USA. Electronic address: jongkim@kangwon.ac.kr.); Huber KC ( School of Food Science, University of Idaho, P.O. Box 442312, Moscow, ID 83844, USA. Electronic address: huberk@byui.edu.) |
| Abstract | Starch-ß-carotene composites were generated by drop-wise addition of ethanol comprising varying ß-carotene contents (5, 10, or 20mg) into starch pastes (1, 3, or 5% w/v) to improve water-dispersibility and stability of ß-carotene. The mean diameter of the composites was less than 900 nm, allowing particles to be homogeneously dispersed in aqueous media for over two weeks without sedimentation. X-ray diffraction and differential scanning calorimetry analysis confirmed the composite mainly consisted of Vh-amylose, amorphous starch matrices, and starch-ß-carotene ordered structures. Both amorphous matrices and Vh-amylose structures in the composite were readily digested within 20 min in vitro digestion, while highly ordered structures, which melted between 132 and 159 °C, exhibited inhibited and/or delayed enzymatic digestion. As more ß-carotene was incorporated into the composite, the ß-carotene content of the ordered structure was increased. Formation of starch-ß-carotene composites also appeared to enhance the stability of ß-carotene against chemical oxidation. |
| File Format | HTM / HTML |
| ISSN | 01448617 |
| Journal | Carbohydrate Polymers |
| Volume Number | 136 |
| e-ISSN | 18791344 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-01-20 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry__semicolon__materials Discipline Science Amylose Chemistry Capsules Chemical Synthesis Beta Carotene Hydrolysis Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Materials Chemistry Polymers and Plastics |
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