Rapport
Tissue cultures derived from apical orthotropic stem segments of Coffea arabica have been established and caffeine production as well as growth parameters were analyzed in function of time. The cultures synthesized relatively high amounts of caffeine compared with generally low in vitro formation of other secondary plant substances. The total content was between 1.0 and 1.6 related to dry weight and corresponds to the caffeine concentration in a coffee bean. We found a positive correlation between callus growth and caffeine formation. In addition we studied the influence of various factors on cafeeine production, i.e. light, phytohormones, media volume and caffeine concentration in the media
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Paris (Francia)
1979
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| Subjects: | COFFEA ARABICA, CULTIVO DE TEJIDOS, CAFEINA, FRUTO, RAMAS ORTOTROPICAS, GRANOS, |
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KOHA-OAI-BVE:756282020-02-03T21:43:04ZRapport 69250 Frischkmecht, P.M. 47288 Baumann, T.W. 130547 Wanner, H. 3169 Association Internationale du Café, París (Francia) 33928 8. Colloque Scientifique International sur le Cafe Abidjan (Costa de Marfil) 28Nov-3Dic 1977 Paris (Francia)1979Tissue cultures derived from apical orthotropic stem segments of Coffea arabica have been established and caffeine production as well as growth parameters were analyzed in function of time. The cultures synthesized relatively high amounts of caffeine compared with generally low in vitro formation of other secondary plant substances. The total content was between 1.0 and 1.6 related to dry weight and corresponds to the caffeine concentration in a coffee bean. We found a positive correlation between callus growth and caffeine formation. In addition we studied the influence of various factors on cafeeine production, i.e. light, phytohormones, media volume and caffeine concentration in the mediaTissue cultures derived from apical orthotropic stem segments of Coffea arabica have been established and caffeine production as well as growth parameters were analyzed in function of time. The cultures synthesized relatively high amounts of caffeine compared with generally low in vitro formation of other secondary plant substances. The total content was between 1.0 and 1.6 related to dry weight and corresponds to the caffeine concentration in a coffee bean. We found a positive correlation between callus growth and caffeine formation. In addition we studied the influence of various factors on cafeeine production, i.e. light, phytohormones, media volume and caffeine concentration in the mediaCOFFEA ARABICACULTIVO DE TEJIDOSCAFEINAFRUTORAMAS ORTOTROPICASGRANOS |
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CR |
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COFFEA ARABICA CULTIVO DE TEJIDOS CAFEINA FRUTO RAMAS ORTOTROPICAS GRANOS COFFEA ARABICA CULTIVO DE TEJIDOS CAFEINA FRUTO RAMAS ORTOTROPICAS GRANOS |
| spellingShingle |
COFFEA ARABICA CULTIVO DE TEJIDOS CAFEINA FRUTO RAMAS ORTOTROPICAS GRANOS COFFEA ARABICA CULTIVO DE TEJIDOS CAFEINA FRUTO RAMAS ORTOTROPICAS GRANOS 69250 Frischkmecht, P.M. 47288 Baumann, T.W. 130547 Wanner, H. 3169 Association Internationale du Café, París (Francia) 33928 8. Colloque Scientifique International sur le Cafe Abidjan (Costa de Marfil) 28Nov-3Dic 1977 Rapport |
| description |
Tissue cultures derived from apical orthotropic stem segments of Coffea arabica have been established and caffeine production as well as growth parameters were analyzed in function of time. The cultures synthesized relatively high amounts of caffeine compared with generally low in vitro formation of other secondary plant substances. The total content was between 1.0 and 1.6 related to dry weight and corresponds to the caffeine concentration in a coffee bean. We found a positive correlation between callus growth and caffeine formation. In addition we studied the influence of various factors on cafeeine production, i.e. light, phytohormones, media volume and caffeine concentration in the media |
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| topic_facet |
COFFEA ARABICA CULTIVO DE TEJIDOS CAFEINA FRUTO RAMAS ORTOTROPICAS GRANOS |
| author |
69250 Frischkmecht, P.M. 47288 Baumann, T.W. 130547 Wanner, H. 3169 Association Internationale du Café, París (Francia) 33928 8. Colloque Scientifique International sur le Cafe Abidjan (Costa de Marfil) 28Nov-3Dic 1977 |
| author_facet |
69250 Frischkmecht, P.M. 47288 Baumann, T.W. 130547 Wanner, H. 3169 Association Internationale du Café, París (Francia) 33928 8. Colloque Scientifique International sur le Cafe Abidjan (Costa de Marfil) 28Nov-3Dic 1977 |
| author_sort |
69250 Frischkmecht, P.M. |
| title |
Rapport |
| title_short |
Rapport |
| title_full |
Rapport |
| title_fullStr |
Rapport |
| title_full_unstemmed |
Rapport |
| title_sort |
rapport |
| publisher |
Paris (Francia) |
| publishDate |
1979 |
| work_keys_str_mv |
AT 69250frischkmechtpm rapport AT 47288baumanntw rapport AT 130547wannerh rapport AT 3169associationinternationaleducafeparisfrancia rapport AT 339288colloquescientifiqueinternationalsurlecafeabidjancostademarfil28nov3dic1977 rapport |
| _version_ |
1756058084404363264 |