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Сравнительный анализ состава свободных аминокислот некоторых видов рода Stellaria L

Сравнительный анализ состава свободных аминокислот некоторых видов рода Stellaria L

Abstract

4 вида рода Stellaria (семейство Caryophyllaceae) анализировались на содержание свободных ами-нокислот методом обращенно-фазовой высокоэффективной жидкостной хроматографии (ВЭЖХ) после дериватизации фенилизотиоцианатом. Идентификация и оценка содержания производилась в сравнении со стандартными образцами исследуемых соединений. Качественный и количественный анализ 20 аминокислот был проведен для надземной части Stellaria media, Stellaria dichotoma, Stellaria nemorum и Stellaria holostea. Количественное содержание индивидуальных аминокислот было выявлено в пределах от 0,002 до 0,5 мг/г (в пересчете на сухое сырье); суммарное содержание аминокислот было максимальным у сырья звездчатки вильчатой, а минимальное – у звездчатки дубравной. Согласно экспериментальным данным в надземной части звездчатки средней накапливаются аспарагин, глутамин, пролин, аргинин, цистин+цистеин, триптофан, в звездчатке вильчатой – аспарагин, аргинин, триптофан; в надземной части звездчатки дубравной – пролин, а в звездчатке ланцетовидной – аргинин, пролин, глутамин, аланин.

Four species of the Stellaria genus (Caryophyllaceae family) have been analyzed for their free amino acid content using reversed-phase high-perfomance liquid chromatography (HPLC) after derivatization with phenylisothio-cyanate. Identification and estimation has been performed with comparing to authentic standards. Qualitative and quantitative analyses of 20 amino acids has been performed for the aerial part of Stellaria media, Stellaria dichotoma, Stellaria nemorum and Stellaria holostea. The estimated content of individual amino acids ranged from 0,002 to 0,50 mg/g (dry weight); the sum of all measured substances reached up to 2,3 mg/g for Stellaria dichotoma and was the lowest for Stellaria nemorum. According to the experimental data the most abundant amino acids for the aerial part of Stellaria media are asparagine, glutamine, proline, arginine, cystin+cysteine, tryptophan, for Stellaria dichotoma are asparagine, glutamine, tryptophan, for Stellaria nemorum – proline, for Stellaria holostea – arginine, proline, glutamine, alanine.

Keywords

КАЧЕСТВЕННОЕ И КОЛИЧЕСТВЕННОЕ ОПРЕДЕЛЕНИЕ, ФЕНИЛИЗОТИОЦИАНАТ, ВЭЖХ, СВОБОДНЫЕ АМИНОКИСЛОТЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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