Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris)
This article proposes a new way to improve the protein quality of the common bean (Phaseolus vulgaris). It is based on the natural variability found in the different types of phaseolin, its main storage protein (40 50% of the total protein). Despite the fact that it is deficient in methionine conten...
| Autores principales: | , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2010
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| Acceso en línea: | https://hdl.handle.net/10568/43939 |
| _version_ | 1855516029372858368 |
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| author | Montoya Marmolejo, Carlos Aníbal Lalles, JP Beebe, Stephen E. Leterme, P |
| author_browse | Beebe, Stephen E. Lalles, JP Leterme, P Montoya Marmolejo, Carlos Aníbal |
| author_facet | Montoya Marmolejo, Carlos Aníbal Lalles, JP Beebe, Stephen E. Leterme, P |
| author_sort | Montoya Marmolejo, Carlos Aníbal |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | This article proposes a new way to improve the protein quality of the common bean (Phaseolus vulgaris). It is based on the natural variability found in the different types of phaseolin, its main storage protein (40 50% of the total protein). Despite the fact that it is deficient in methionine content, phaseolin still represents the main source of that amino acid in the seed. More than 40 genetic variants, differing in subunit number (2 6) and molecular weight (40 54 kDa) have been analyzed. The similarity of the amino acid composition among phaseolins, suggests that a nutritional improvement cannot be expected from that side. Conversely, important variation in phaseolin susceptibility to proteolysis (ranging from 57% to 96% after cooking) has been observed, increasing the theoretical availability of methionine by up to 37%. Therefore, breeding programs based on highly-digestible phaseolin types could lead to the production of beans with higher protein quality. |
| format | Journal Article |
| id | CGSpace43939 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2010 |
| publishDateRange | 2010 |
| publishDateSort | 2010 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace439392024-06-26T10:18:04Z Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) Montoya Marmolejo, Carlos Aníbal Lalles, JP Beebe, Stephen E. Leterme, P This article proposes a new way to improve the protein quality of the common bean (Phaseolus vulgaris). It is based on the natural variability found in the different types of phaseolin, its main storage protein (40 50% of the total protein). Despite the fact that it is deficient in methionine content, phaseolin still represents the main source of that amino acid in the seed. More than 40 genetic variants, differing in subunit number (2 6) and molecular weight (40 54 kDa) have been analyzed. The similarity of the amino acid composition among phaseolins, suggests that a nutritional improvement cannot be expected from that side. Conversely, important variation in phaseolin susceptibility to proteolysis (ranging from 57% to 96% after cooking) has been observed, increasing the theoretical availability of methionine by up to 37%. Therefore, breeding programs based on highly-digestible phaseolin types could lead to the production of beans with higher protein quality. 2010-03 2014-10-02T08:32:58Z 2014-10-02T08:32:58Z Journal Article https://hdl.handle.net/10568/43939 en Limited Access Elsevier Montoya Marmolejo, Carlos Aníbal; Lallès, Jean-Paul; Beebe, Stephen E.; Leterme, Pascal. 2010. Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) . Food Research International (Canada) . Elsevier, 43:443-449. |
| spellingShingle | Montoya Marmolejo, Carlos Aníbal Lalles, JP Beebe, Stephen E. Leterme, P Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title | Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title_full | Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title_fullStr | Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title_full_unstemmed | Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title_short | Phaseolin diversity as a possible strategy to improve the nutritional value of common beans (Phaseolus vulgaris) |
| title_sort | phaseolin diversity as a possible strategy to improve the nutritional value of common beans phaseolus vulgaris |
| url | https://hdl.handle.net/10568/43939 |
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