Zobrazeno 1 - 10
of 34
pro vyhledávání: '"V. I. Deineka"'
Publikováno v:
Тонкие химические технологии, Vol 12, Iss 6, Pp 32-38 (2017)
The method of reversed-phase HPLC with diode-array and mass-spectrometric detection was explored to determine the qualitative composition of red cabbage anthocyanins. Mono- and diacylated derivatives of cyanidin-3,5-diglycosides with a complex struct
Externí odkaz:
https://doaj.org/article/351d52706571471fac2606e46b0a9ea6
Publikováno v:
Тонкие химические технологии, Vol 11, Iss 3, Pp 58-63 (2016)
Spray-dried forms of anthocyanins were prepared in a maltodextrin matrix. The anthocyanins were extracted by maceration of elderberry fruits in 0.1 M HCl followed by extract filtration through a paper filter. The extract was partially purified by sol
Externí odkaz:
https://doaj.org/article/fbde48d5ea6d4d288dc520021af1776f
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2015 (2015)
The influence of exchange of HCOOH (System 2) by phosphoric acid (System 1) for acidification of the “acetonitrile–water” mobile phases for reversed-phase HPLC of anthocyanins was investigated in the framework of relative retention analysis. Th
Externí odkaz:
https://doaj.org/article/9cf609443675472ea430b57129d09a4c
Publikováno v:
Journal of Analytical Chemistry. 78:63-67
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53ec3f2281bcaf535c42191688061ad4
https://doi.org/10.1134/s1061934822110053
https://doi.org/10.1134/s1061934822110053
Publikováno v:
Russian Journal of Physical Chemistry A. 96:1768-1772
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22416b17b4ea00e90dcc26d8a1a78359
https://doi.org/10.1134/s0036024422080076
https://doi.org/10.1134/s0036024422080076
Autor:
E. Yu. Oleinits, I. A. Sukhodolov, A. V. Konstantinovich, V. I. Deineka, I. P. Blinova, L. A. Deineka
Publikováno v:
Proceedings of Universities. Applied Chemistry and Biotechnology. 12:121-129
We assess the level of anthocyanins and phenolic acids accumulated in the leaves of lettuce cultivars grown hydroponically and in the open ground. In addition, the antioxidant activity of the cultivars under study was determined. The plant material w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c24b49ce6620af90a7e27c28509dae8
https://doi.org/10.21285/2227-2925-2022-12-1-121-129
https://doi.org/10.21285/2227-2925-2022-12-1-121-129
Publikováno v:
Russian Journal of Physical Chemistry A. 95:1729-1734
A study is performed of the effect of composition of the mobile phases of acetonitrile–formic acid/phosphoric acid–water systems and the concentrations of acetonitrile and acid have on the chromatographic behavior of anthocyanins under the condit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff1ced4f69be0c44b187205512f97f11
https://doi.org/10.1134/s0036024421080094
https://doi.org/10.1134/s0036024421080094
Publikováno v:
Journal of Analytical Chemistry. 76:939-945
A possibility of replacing acetonitrile for methanol in mobile phases containing an organic modifier, 10 vol. % of formic acid (pH regulator), and water in the separation of anthocyanins by reversed-phase HPLC on a C18 stationary phase (Symmetry®C18
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13b633c32e71579bb0e9dcf206ace6ba
https://doi.org/10.1134/s1061934821060022
https://doi.org/10.1134/s1061934821060022
Publikováno v:
Russian Journal of Physical Chemistry A. 95:799-805
The effect of acylation of anthocyanins with acetic acid on the chromatographic retention is evaluated. It is shown that the absence of correlations between the experimental data on the retention of substances and the CLOGP data is explained, in some
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0529bf813c5d10c765161a31dabc8265
https://doi.org/10.1134/s0036024421040038
https://doi.org/10.1134/s0036024421040038
Publikováno v:
Journal of Analytical Chemistry. 76:196-203
A method for the determination of the composition of carotenoids of tomato fruits of different colors is proposed using a combination of spectrophotometry and chromatography. An explanation of the elution order of mono-cis-isomers of lycopene under t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4f48256e95f25fd5cd61a9fea08d119
https://doi.org/10.1134/s1061934820120060
https://doi.org/10.1134/s1061934820120060