CONTENT OF HARMFUL CHEMICAL COMPOUNDS THAT MAY PERSIST IN PLUM SPIRITS

In Bosnia and Herzegovina plum spirits are often made in small quantity production batches, involving pot still alembic vessels. In many cases the producer will utilize plums still retaining their stone during the fermentation process which results in important contributions to the overall complexit...

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Published inScientific Study & Research. Chemistry & Chemical Engineering, Biotechnology, Food Industry Vol. 23; no. 4; pp. 307 - 320
Main Authors Spaho, Nermina, Blesić, Milenko, Kurtović, Mirsad, Borovac, Berina
Format Journal Article
LanguageEnglish
Published Bacau Universitatea "Vasile Alecsandri" din Bacau 01.12.2022
Alma Mater Publishing House "Vasile Alecsandri" University of Bacau
Subjects
Acetaldehyde
Acids
Alcohol
Alcoholic beverages
Aroma
Beverages
By products
Carcinogens
Chemical compounds
Cultivars
Dehydrogenases
Distillation
distillation fractions
Ethanol
Fermentation
Fruits
Furfural
Hydrocyanic acid
Metabolites
Methanol
plum spirits
Plums
Sensory perception
Skin
Bosnia-Hercegovina
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Summary:In Bosnia and Herzegovina plum spirits are often made in small quantity production batches, involving pot still alembic vessels. In many cases the producer will utilize plums still retaining their stone during the fermentation process which results in important contributions to the overall complexity of final spirit aroma. Plum spirits are characterized by an intense fruity aroma. However, these spirits can also contain some harmful compounds. In this study were determined the concentration of the methanol and hydrocyanic acid (HCN) that are toxic and acetaldehyde and furfural that are harmful just if they are present in higher concentration. Plum spirits were obtained using three plum variety: Pozegaca, Stanley and Bilska rana (Buchler). The behavior of these major harmful compounds was followed during distillation, with their respective contents measured in the heads, hearts, and tails fractions. The most abundant compound was methanol, which is concentrated in the heart fraction, reaching a maximum value of 9668 mg·L-1 absolute alcohol, in the heart fraction of Bilska rana spirit. The concentration of HCN and furfural was influenced by the plum cultivar, the spirits made from the Stanley cultivar contained higher concentrations of these two compounds. The concentrations of harmful compounds are seen not to exceed the allowed limit if an adequate fraction of the heart and tail fractions are removed.
ISSN:1582-540X