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QUANTITATIVE COMPOSITION OF NATURAL AND TECHNOLOGICALLY ALTERED VEGETABLE AROMAS. CRYOCONCENTRATION OF A DILL EXTRACT.

[In German. / En allemand.]

Author(s) : SCHREIER P., DRAWERT F., HEINDZE I.

Type of article: Article

Summary

VARIOUS SOLVENTS WERE TESTED FOR THE EXTRACTION OF VOLATILE DILL COMPONENTS: WATER, ACETIC ACID AT 10 AND 50%, WATER-ETHANOL (90/10) AND A 1% ASCORBIC ACID WATER SOLUTION. 10% ACETIC ACID IS SUITABLE FOR THE CRYOCONCENTRATION OF THE DILL EXTRACT IN A PILOT PLANT. IDENTIFICATION, BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY, OF VOLATILE COMPONENTS OF THE EXTRACT AND ICE. LOSSES OF TERPENIC HYDROCARBONS WERE OBSERVED DURING CRYOCONCENTRATION. THEY RESULT FROM RESPONSES TO HYDRATION, CATALYSED BY THE ACETIC ACID.

Details

  • Original title: [In German. / En allemand.]
  • Record ID : 1982-1234
  • Languages: German
  • Source: Z. Lebensm.-Unters. -Forsch. - vol. 172 - n. 4
  • Publication date: 1981
  • Document available for consultation in the library of the IIR headquarters only.

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