Share

RESEARCH ON THE APPLICABILITY OF FREEZE-CONCENTRATION FOR THE EXTRACTION OF AROMA COMPOUNDS FROM APPLE JUICE PRIOR TO GAS CHROMATOGRAPHIC ANALYSIS.

[In Italian. / En italien.]

Author(s) : DI CESARE L. F.

Type of article: Article

Summary

THE LIMITS WERE STUDIED OF THE APPLICABILITY OF FREEZE-CONCENT RATION VS VACUUM DISTILLATION ON GOLDEN DELICIOUS APPLE AROMA CONCENTRATION. IN THE FIRST TEST, TWO METHODS WERE COMPARED USING A MODEL SOLUTION HAVING AN INITIAL CONCENTRATION 1 PER THOUSAND OF TOTAL AROMA COMPOUNDS. BOTH METHODS PRODUCED A SIMILAR RECOVERY OF 93%. IN THE SECOND TEST, THE TWO METHODS WERE COMPARED USING A MODEL SOLUTION 2 PER THOUSAND OF INITIAL CONCENTRATION. THE TOTAL AROMA RECOVERY BY FREEZE-CONCENTRATION WAS 75 VS 90% OF VACUUM DISTILLATION DUE TO THE FACT THAT THE MODEL SOLUTION WAS TOO HIGHLY CONCENTRATED FOR THE SATISFACTORY RECOVERY OF AROMA BY FREEZE-CONCENTRATION.

Details

  • Original title: [In Italian. / En italien.]
  • Record ID : 1989-1046
  • Languages: Italian
  • Source: Atti IVTPA - vol. 9
  • Publication date: 1986
  • Document available for consultation in the library of the IIR headquarters only.

Links


See other articles in this issue (12)
See the source

Indexing