Bioavailability and Analysis of Vitamins in Foods:
Every country in the world is concerned with the nutritional status of its population and in utilizing its natural food resources in the most effective way possible. Surveys based on food intakes and food compositional data are being conducted with the object of establishing recommended intakes of v...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Boston, MA
Springer US
1998
|
| Schlagworte: | |
| Online-Zugang: | UBR01 Volltext |
| Zusammenfassung: | Every country in the world is concerned with the nutritional status of its population and in utilizing its natural food resources in the most effective way possible. Surveys based on food intakes and food compositional data are being conducted with the object of establishing recommended intakes of vitamins. These recommendations are constantly being changed as new knowledge comes to light. Analytical techniques using physicochemical and microbiological methods have been largely developed to determine the total vitamin content of a food commodity or diet using the most rigorous extraction method commensurate with the stability of the vitamin. The extraction procedures frequently involve prolonged heating of suitably prepared food samples at extremes of pH to liberate vitamins from chemically bound forms in the food matrix or to remove a preponderance of fat from fatty foods. For several vitamins the data obtained by these means grossly overestimate the nutritional value of the food because the human digestive system fails to liberate bound vitamin forms for subsequent absorption by the intestine. This statement is borne out by reports of vitamin deficiency in situations where the dietary supply of vitamin is adequate on the basis of conventional analysis. Various research labora tories are directing their effort toward the estimation of bioavailable vitamin, i. e. the proportion of vitamin in the food which is available for utilization by the body. So far, few data have been published and there are many gaps in the knowledge required to interpret experimental results |
| Beschreibung: | 1 Online-Ressource (XII, 569 p. 14 illus) |
| ISBN: | 9781489934147 |
| DOI: | 10.1007/978-1-4899-3414-7 |
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| 100 | 1 | |a Ball, G. F. M. |e Verfasser |4 aut | |
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| 520 | |a Every country in the world is concerned with the nutritional status of its population and in utilizing its natural food resources in the most effective way possible. Surveys based on food intakes and food compositional data are being conducted with the object of establishing recommended intakes of vitamins. These recommendations are constantly being changed as new knowledge comes to light. Analytical techniques using physicochemical and microbiological methods have been largely developed to determine the total vitamin content of a food commodity or diet using the most rigorous extraction method commensurate with the stability of the vitamin. The extraction procedures frequently involve prolonged heating of suitably prepared food samples at extremes of pH to liberate vitamins from chemically bound forms in the food matrix or to remove a preponderance of fat from fatty foods. For several vitamins the data obtained by these means grossly overestimate the nutritional value of the food because the human digestive system fails to liberate bound vitamin forms for subsequent absorption by the intestine. This statement is borne out by reports of vitamin deficiency in situations where the dietary supply of vitamin is adequate on the basis of conventional analysis. Various research labora tories are directing their effort toward the estimation of bioavailable vitamin, i. e. the proportion of vitamin in the food which is available for utilization by the body. So far, few data have been published and there are many gaps in the knowledge required to interpret experimental results | ||
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| 650 | 4 | |a Protein Science | |
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Datensatz im Suchindex
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| author | Ball, G. F. M. |
| author_facet | Ball, G. F. M. |
| author_role | aut |
| author_sort | Ball, G. F. M. |
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| dewey-full | 614 613 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 614 - Forensic medicine; incidence of disease 613 - Personal health & safety |
| dewey-raw | 614 613 |
| dewey-search | 614 613 |
| dewey-sort | 3614 |
| dewey-tens | 610 - Medicine and health |
| discipline | Medizin |
| doi_str_mv | 10.1007/978-1-4899-3414-7 |
| format | Electronic eBook |
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| id | DE-604.BV046145397 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-10T08:36:27Z |
| institution | BVB |
| isbn | 9781489934147 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-031525582 |
| oclc_num | 1119001378 |
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| physical | 1 Online-Ressource (XII, 569 p. 14 illus) |
| psigel | ZDB-2-SME ZDB-2-SME_1990/2004 ZDB-2-SME ZDB-2-SME_1990/2004 |
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| spelling | Ball, G. F. M. Verfasser aut Bioavailability and Analysis of Vitamins in Foods by G. F. M. Ball Boston, MA Springer US 1998 1 Online-Ressource (XII, 569 p. 14 illus) txt rdacontent c rdamedia cr rdacarrier Every country in the world is concerned with the nutritional status of its population and in utilizing its natural food resources in the most effective way possible. Surveys based on food intakes and food compositional data are being conducted with the object of establishing recommended intakes of vitamins. These recommendations are constantly being changed as new knowledge comes to light. Analytical techniques using physicochemical and microbiological methods have been largely developed to determine the total vitamin content of a food commodity or diet using the most rigorous extraction method commensurate with the stability of the vitamin. The extraction procedures frequently involve prolonged heating of suitably prepared food samples at extremes of pH to liberate vitamins from chemically bound forms in the food matrix or to remove a preponderance of fat from fatty foods. For several vitamins the data obtained by these means grossly overestimate the nutritional value of the food because the human digestive system fails to liberate bound vitamin forms for subsequent absorption by the intestine. This statement is borne out by reports of vitamin deficiency in situations where the dietary supply of vitamin is adequate on the basis of conventional analysis. Various research labora tories are directing their effort toward the estimation of bioavailable vitamin, i. e. the proportion of vitamin in the food which is available for utilization by the body. So far, few data have been published and there are many gaps in the knowledge required to interpret experimental results Public Health Protein Science Nutrition Biochemistry Lebensmittel (DE-588)4034870-2 gnd rswk-swf Vitamin (DE-588)4063635-5 gnd rswk-swf Vitamin (DE-588)4063635-5 s Lebensmittel (DE-588)4034870-2 s DE-604 Erscheint auch als Druck-Ausgabe 9780412780905 Erscheint auch als Druck-Ausgabe 9781489934154 https://doi.org/10.1007/978-1-4899-3414-7 Verlag URL des Erstveröffentlichers Volltext |
| spellingShingle | Ball, G. F. M. Bioavailability and Analysis of Vitamins in Foods Public Health Protein Science Nutrition Biochemistry Lebensmittel (DE-588)4034870-2 gnd Vitamin (DE-588)4063635-5 gnd |
| subject_GND | (DE-588)4034870-2 (DE-588)4063635-5 |
| title | Bioavailability and Analysis of Vitamins in Foods |
| title_auth | Bioavailability and Analysis of Vitamins in Foods |
| title_exact_search | Bioavailability and Analysis of Vitamins in Foods |
| title_full | Bioavailability and Analysis of Vitamins in Foods by G. F. M. Ball |
| title_fullStr | Bioavailability and Analysis of Vitamins in Foods by G. F. M. Ball |
| title_full_unstemmed | Bioavailability and Analysis of Vitamins in Foods by G. F. M. Ball |
| title_short | Bioavailability and Analysis of Vitamins in Foods |
| title_sort | bioavailability and analysis of vitamins in foods |
| topic | Public Health Protein Science Nutrition Biochemistry Lebensmittel (DE-588)4034870-2 gnd Vitamin (DE-588)4063635-5 gnd |
| topic_facet | Public Health Protein Science Nutrition Biochemistry Lebensmittel Vitamin |
| url | https://doi.org/10.1007/978-1-4899-3414-7 |
| work_keys_str_mv | AT ballgfm bioavailabilityandanalysisofvitaminsinfoods |