<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In honey, the content of proteins, including the enzymes, is relatively low and has a minor nutritive significance. On the other hand, the proteins, including the enzymes, are usually used as honey quality evaluation parameters. This is because protein content and enzyme activities vary regarding the botanical origin of the honey. Since the results of protein content, glucose-oxidase, and acid phosphatase, for honeys produced in Croatia, are not available, four of the most abundant honey types produced in Croatia (black locust, sage, chestnut, and honeydew honey) are characterised according to the protein and proline content and enzyme activities. The characterisation was done to determine specificities and contribute to the characterisation of unifloral honeys. Dark honey types (honeydew and chestnut honey) had a higher proline content, and diastase, invertase, and glucose-oxidase activity than lighter sage and black locust honey. Black locust honey has a naturally low enzyme activity and showed the highest acid phosphatase activity among the analysed honey types, while honeydew honey, otherwise known to possess high proline content and enzyme activity, had a low protein content comparable to black locust honey. Statistically significant correlations were obtained between all analysed parameters, with the exception of acid phosphatase activity.</p></abstract>

In honey, the content of proteins, including the enzymes, is relatively low and has a minor nutritive significance. On the other hand, the proteins, including the enzymes, are usually used as honey quality evaluation parameters. This is because protein content and enzyme activities vary regarding the botanical origin of the honey. Since the results of protein content, glucose-oxidase, and acid phosphatase, for honeys produced in Croatia, are not available, four of the most abundant honey types produced in Croatia (black locust, sage, chestnut, and honeydew honey) are characterised according to the protein and proline content and enzyme activities. The characterisation was done to determine specificities and contribute to the characterisation of unifloral honeys. Dark honey types (honeydew and chestnut honey) had a higher proline content, and diastase, invertase, and glucose-oxidase activity than lighter sage and black locust honey. Black locust honey has a naturally low enzyme activity and showed the highest acid phosphatase activity among the analysed honey types, while honeydew honey, otherwise known to possess high proline content and enzyme activity, had a low protein content comparable to black locust honey. Statistically significant correlations were obtained between all analysed parameters, with the exception of acid phosphatase activity.

Croatian produced unifloral honey characterized according to the protein and proline content and enzyme activities

Faculty of Food Technology, Osijek, Croatia

Journal of Apicultural Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

In honey, the content of proteins, including the enzymes, is relatively low and has a minor nutritive significance. On the other hand, the proteins, including...

Croatian produced unifloral honey characterized according to the protein and proline content and enzyme activities

Published Online: Jun 03, 2016

Page range: 39 - 48

Received: Jun 18, 2015

Accepted: Jan 13, 2016

DOI: https://doi.org/10.1515/jas-2016-0005

Keywords
Croatia, enzyme activity, honey, proline content, protein content

© by Ivana Flanjak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Croatian produced unifloral honey characterized according to the protein and proline content and enzyme activities

Published Online: Jun 03, 2016

Page range: 39 - 48

Received: Jun 18, 2015

Accepted: Jan 13, 2016

DOI: https://doi.org/10.1515/jas-2016-0005

KeywordsCroatia, enzyme activity, honey, proline content, protein content

© by Ivana Flanjak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Croatia, enzyme activity, honey, proline content, protein content