Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola
Publication type: Journal Article
Publication date: 2022-06-01
scimago Q1
wos Q1
SJR: 1.215
CiteScore: 9.3
Impact factor: 6.2
ISSN: 00218561, 15205118
PubMed ID:
35649262
General Chemistry
General Agricultural and Biological Sciences
Abstract
Due to the ever-increasing demand for healthy and safe food, much attention has been gained by natural food colorants. This study showed the culture fluid extract of the fungus Aspergillus cavernicola VKM F-906 to contain red pigment and monasnicotinic acid (MNA) in predominant amounts. The structure of the pigment corresponded to cis-cavernamine (red pigment, RP). Two tautomers, NH and OH forms, in rapid equilibrium were present in a solution of RP. The critical factors for RP to form were the presence of NH4+ salt and pH 6.3-6.5. In vitro experiments showed that MNA was synthesized from RP as a result of chemical transformations without the participation of enzymes. In this case, the main influence on the reaction rate is exerted by the pH of the medium, which is associated with the keto-enol tautomerism of RP in solution. The culture broth extract and MNA exhibited antifungal activity against Fusarium fungi.
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Антипова Т. В. et al. Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola // Journal of Agricultural and Food Chemistry. 2022. Vol. 70. No. 23. pp. 7122-7129.
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Антипова Т. В., Zhelifonova V., Zaitsev K. V., Zherebker A., Baskunov B., Oprunenko Y. F. Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola // Journal of Agricultural and Food Chemistry. 2022. Vol. 70. No. 23. pp. 7122-7129.
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TY - JOUR
DO - 10.1021/acs.jafc.2c01952
UR - https://pubs.acs.org/doi/10.1021/acs.jafc.2c01952
TI - Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola
T2 - Journal of Agricultural and Food Chemistry
AU - Антипова, Т. В.
AU - Zhelifonova, Valentina
AU - Zaitsev, K V
AU - Zherebker, Alexander
AU - Baskunov, Boris
AU - Oprunenko, Yuri F.
PY - 2022
DA - 2022/06/01
PB - American Chemical Society (ACS)
SP - 7122-7129
IS - 23
VL - 70
PMID - 35649262
SN - 0021-8561
SN - 1520-5118
ER -
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@article{2022_Антипова,
author = {Т. В. Антипова and Valentina Zhelifonova and K V Zaitsev and Alexander Zherebker and Boris Baskunov and Yuri F. Oprunenko},
title = {Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola},
journal = {Journal of Agricultural and Food Chemistry},
year = {2022},
volume = {70},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://pubs.acs.org/doi/10.1021/acs.jafc.2c01952},
number = {23},
pages = {7122--7129},
doi = {10.1021/acs.jafc.2c01952}
}
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Антипова, Т. В., et al. “Formation of Azaphilone Pigments and Monasnicotinic Acid by the Fungus Aspergillus cavernicola.” Journal of Agricultural and Food Chemistry, vol. 70, no. 23, Jun. 2022, pp. 7122-7129. https://pubs.acs.org/doi/10.1021/acs.jafc.2c01952.