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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kálmán, G. Recseg, K. Gáspár, M. Réczey, K. |
| Description | Author Affiliation: Kálmán G ( Department of Agricultural Chemical Technology, Budapest University of Technology and Economics, Szt. Gellért tér 4, H-1111 Budapest. ergely_kalman@mkt.bme.hu) |
| Abstract | The corn wet milling process produces a 10% (w/w of the processed corn) byproduct called corn fiber, which is utilized worldwide as a low-value feedstock for cattle. The aim of this study was to find a higher value use of corn fiber. The main fractions of corn fiber are: 20% starch, 40% hemicellulose, 14% cellulose, and 14% protein. Extraction of the highly valuable, cholesterol-lowering corn fiber oil is not feasible owing to its low (2% w/w) concentration in the fiber. The developed technology is based on simple and inexpensive procedures, like washing with hot water, dilute acid hydrolysis at 120 degrees C, enzymatic hydrolysis of cellulose, screening, drying, and extraction. The main fractions are sharply separated in the order of starch, hemicellulose, cellulose, lipoprotein, and lignin). The lipoprotein fraction adds up to 10% of the original dry corn fiber, and contains 45% corn fiber oil, thus yielding more oil than direct extraction of the fiber. It is concluded that the defined method makes the extraction of the corn fiber oil economically feasible. The fractionation process also significantly increases the yield of cholesterol-lowering substances (sterols and sterolesters). At the same time clear and utilizable fractions of monosaccharides, protein, and lignin are produced. |
| File Format | HTM / HTML |
| ISSN | 02732289 |
| Issue Number | 1-3 |
| Volume Number | 131 |
| e-ISSN | 15590291 |
| Journal | Applied Biochemistry and Biotechnology |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2006-03-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Discipline Biotechnology Cellulose Isolation & Purification Conservation Of Natural Resources Methods Lignin Lipoproteins Plant Extracts Chemistry Starch Zea Mays Chemical Fractionation Industrial Waste Prevention & Control Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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