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The volatiles of two new strawberry cultivars, “Annelie” and „Alaska Pioneer”, obtained by backcrossing of cultivated strawberries with wild strawberries, fragaria vesca, rügen and fragaria virginiana

Die flüchtigen Verbindungen zweier neuer Kulturerdbeeren „Annelie” und „Alaska Pioneer”, gewonnen durch Kreuzung von Kulturerdbeeren mit zwei wilden Erdbeeren, Fragaria vesca, Rügen und Fragaria virginiana

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Zusammenfassung

Die flüchtigen Aromastoffe zweier neuer Kulturerdbeerarten, „Annelie” und „Alaska Pioneer”, wurden gaschromatographisch-massenspektrometrisch bestimmt. Diese neuen Arten wurden durch Kreuzung von Kulturerdbeeren mit zwei Wildformen gewonnen. Die Isolierung der flüchtigen Komponenten wurde entweder durch Extraktion oder durch Adsorption auf Tenax durchgeführt. Mit der letztgenannten Methode war es möglich, nur die leichtflüchtigen Komponenten zu bestimmen. Die Aromen der beiden untersuchten Erdbeerarten waren stärker als die der Kulturerdbeeren. Die wichtigsten Aromakomponenten der beiden Erdbeerarten waren Hexan- und Butansäureäthylester, 2,5-Dimethyl-4-methoxy-3(2H)furanon undtrans-2-Hexenal. Die Gesamtmenge der flüchtigen Aromastoffe war bei „Annelie” erheblich höher als bei „Alaska Pioneer”.

Summary

The volatile components of two new strawberry cultivars, “Annelie” and “Alaska Pioneer”, were studied by gas chromatography-mass spectrometry. The cultivars were obtained by backcrossing cultivated strawberries with wild strawberries. The volatiles were isolated by solvent extraction and by adsorption on Tenax. Only a few of the volatiles could be isolated by the latter method. The aromas of both types of berry investigated were stronger than that of cultivated strawberries. The most important volatile compounds of both new varieties were found to be ethyl hexanoate, ethyl butanoate, 2,5-dimethyl-4-methoxy-3(2H)furanone andtrans-2-hexenal. The total amount of volatile components in the cultivar “Annelie” was higher than in “Alaska Pioneer”.

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Hirvi, T., Honkanen, E. The volatiles of two new strawberry cultivars, “Annelie” and „Alaska Pioneer”, obtained by backcrossing of cultivated strawberries with wild strawberries, fragaria vesca, rügen and fragaria virginiana. Z Lebensm Unters Forch 175, 113–116 (1982). https://doi.org/10.1007/BF01135046

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