Biotechnologische Erzeugung von Aromastoffen: II. PA-Lagerung zur Kompensation von Aromaverlusten bei der Gefriertrocknung von Bananenscheiben

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Authors

  • Ralf G. Berger
  • Friedrich Drawert
  • Hubert Kollmannsberger

External Research Organisations

  • Institut für Lebensmitteltechnologie und analytische Chemie, Freising-Weihenstephan
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Details

Translated title of the contributionBiotechnological production of flavour compounds - II. PA-storage for the compensation of flavour losses in freeze-dried banana slices
Original languageGerman
Pages (from-to)169-171
Number of pages3
JournalZeitschrift für Lebensmittel-Untersuchung und -Forschung
Volume183
Issue number3
Publication statusPublished - Sept 1986
Externally publishedYes

Abstract

The flavour compounds of fresh and freeze-dried banana slices were concentrated by solvent extraction and investigated by gas chromatography/mass spectrometry. While many compounds show good retention in the starchy matrix, the highly volatile carboxylic esters show losses from 50 to 80%. Compensating for the losses of the isopentyl esters - compounds of special sensory importance - bananas were submitted to the biotechnological process of PA (=precursor atmosphere) - storage prior to dehydration. A considerable flavour accumulation in the fruit tissue is achieved by using natural metabolic pathways. As a result a quality improved dry product - containing a similar amount of isopentyl esters as the fresh fruit - is obtained.

ASJC Scopus subject areas

Cite this

Biotechnologische Erzeugung von Aromastoffen: II. PA-Lagerung zur Kompensation von Aromaverlusten bei der Gefriertrocknung von Bananenscheiben. / Berger, Ralf G.; Drawert, Friedrich; Kollmannsberger, Hubert.
In: Zeitschrift für Lebensmittel-Untersuchung und -Forschung, Vol. 183, No. 3, 09.1986, p. 169-171.

Research output: Contribution to journalArticleResearchpeer review

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abstract = "The flavour compounds of fresh and freeze-dried banana slices were concentrated by solvent extraction and investigated by gas chromatography/mass spectrometry. While many compounds show good retention in the starchy matrix, the highly volatile carboxylic esters show losses from 50 to 80%. Compensating for the losses of the isopentyl esters - compounds of special sensory importance - bananas were submitted to the biotechnological process of PA (=precursor atmosphere) - storage prior to dehydration. A considerable flavour accumulation in the fruit tissue is achieved by using natural metabolic pathways. As a result a quality improved dry product - containing a similar amount of isopentyl esters as the fresh fruit - is obtained.",
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