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Skocz do pozycji: 1.

Tytuł:: Variability of composition of essential oil and coumarin compounds of Angelica archangelica L.
Autorzy:: Forycka, A.
Buchwald, W.
Powiązania:: https://bibliotekanauki.pl/articles/2048982.pdf
Data publikacji:: 2019
Wydawca:: Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:: Angelica archangelica
essential oil
coumarins
furanocoumarins
chemical composition
chemotaxonomy
olejek eteryczny
kumaryny
furanokumaryny
chemotaksonomia
skład chemiczny
Opis:: The medicinal and culinary properties of Angelica archangelica L. have been known and valued since the Middle Ages. Ingredients of essential oil and coumarins found in this plant are to a large degree responsible for its pharmacological activity. This study is a review of the literature of the most important biologically active compounds present in herbal raw materials: root (rhizome with roots) and angelica fruits. Research shows that the content of individual compounds of the essential oil and coumarin fraction is variable, which may point to a large intraspecific variation. Therefore, these compounds may be good markers for identifying taxa or chemotypes in chemotaxonomic research valuable for the herbal medicine and pharmaceutical industry.
Źródło:: Herba Polonica; 2019, 65, 4; 62-75
0018-0599
Pojawia się w:: Herba Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Developmental and chemical characteristics of Melittis melissophyllum L. in limited access of sunlight
Autorzy:: Szymborska-Sandhu, I.
Powiązania:: https://bibliotekanauki.pl/articles/2049054.pdf
Data publikacji:: 2020
Wydawca:: Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:: shading
developmental stage
seed viability
flavonoids
phenolic acids
coumarins
zacienienie
fazy rozwojowe
żywotność nasion
flawonoidy
kwasy fenolowe
kumaryny
Opis:: Introduction: Bastard balm grows in forests, in central and southeastern part of Europe. The herb of this species is rich in phenolics, mainly flavonoids, phenolic acids and coumarins. The plant is used in traditional European medicine, in digestive problems and for aromatizing tobacco and alcohol products. Objective: The purpose of this study was to determine the influence of shading on bastard balm development and the accumulation of phenolics in its herb, with special respect to coumarin as a quality marker of this raw material. Methods: The plants were cultivated in full sunlight, in 30% and 50% shade provided by shading nets. The herb was harvested from plants in the third year of vegetation, at four subsequent developmental stages and then subjected to chemical evaluation. In the raw material, the total contents of flavonoids, phenolic acids and coumarins was determined. The content of coumarin was analyzed using HPLC-DAD. Results: Plants grown in 30% shade produced the highest number of flowers and seeds. They produced the highest mass of herb at the beginning of the seed-setting stage. The plants grown in full sunlight revealed the highest content of flavonoids and phenolic acids, especially during flowering and at the beginning of the seed-setting stage. The mass of herb obtained by plants cultivated at deep (50%) shade was the lowest, however, the content of coumarin in these plants was the highest. Conclusion: The influence of shade on bastard balm was expressed by the herb mass and coumarin content increment. The plants thrived best in 30% shade, both in terms of flowering abundance and the mass of herb, whereas those from 50% shade were the richest in coumarin.
Źródło:: Herba Polonica; 2020, 66, 1; 1-8
0018-0599
Pojawia się w:: Herba Polonica
Dostawca treści:: Biblioteka Nauki

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