Search Results

You are looking at 1 - 10 of 14 items for

  • Author or Editor: M. Borbély x
  • Refine by Access: All Content x
Clear All Modify Search

In this study we examined the proline content of 143 honey samples with different flower origin. Some of the samples originated from commercial trade, the others came directly from beekeepers. We measured the proline content of beekeepers’ honeys and the received results were compared to the results of commercial honeys. The effects of added sugar products and heating on the quality parameters were also studied.

Restricted access
Restricted access
Acta Mathematica Hungarica
Authors:
Shigeki Akiyama
,
Tibor Borbély
,
Horst Brunotte
,
Attila Pethő
, and
Jörg M. Thuswaldner

Summary We are concerned with families of dynamical systems which are related to generalized radix representations. The properties of these dynamical systems lead to new results on the characterization of bases of Pisot number systems as well as canonical number systems.

Restricted access

Cylindrospermopsin (CYN) is an alkaloid type cytotoxic metabolite produced by several cyanobacterial species, which caused human illnesses. The occurrence of CYN has been mostly associated with tropical and subtropical cyanobacteria, but recently it is appearing in several countries, all over the world. We analyzed CYN concentration and polyketide synthase/peptide synthetase (PKS /PS) genes, important parts of the gene cluster responsible for the CYN biosynthesis, in 14 isolated/collected Cylindrospermopsis raciborskii and Aphanizomenon ovalisporum strains originated mostly from Hungary. CYN and PKS /PS genes were detected in Aphanizomenon ovalisporum strains isolated from Spain (of our isolation) and isolated in Israel (IL C-164), but the Hungarian isolate from the hyposaline Lake Szelidi had a lack of production capacity. In the Hungarian samples of C. raciborskii, we found no CYN and PKS /PS genes content comparing to CYN producer C. raciborskii AQS originated from Australia.

Restricted access