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Chemical Constituents of Acroptilon repensBog'liq ilmiy axborot 7 son 2024 1 removedChemical Constituents of Acroptilon repens.
Alkaloids: Alkaloids represent a class of nitrogen-
containing organic compounds exhibiting a wide array of pharmacological characteristics. Ingestion of
Acroptilon repens may result in exposure to alkaloids like pyrrolizidine alkaloids, which are recognized for
their toxic effects on herbivores and humans when consumed in large amounts. The presence of pyrrolizidine
alkaloids is frequently linked to plant defense strategies against herbivory. Phenolic Compounds: Phenolic
compounds serve as secondary metabolites crucial for plant defense against various stressors including
pathogens, UV radiation, and oxidative damage.
Acroptilon repens is believed to harbor phenolic acids (e.g., caffeic acid, chlorogenic acid), flavonoids
(e.g., quercetin, kaempferol), and tannins. These constituents are characterized by antioxidant, anti-
inflammatory, and antimicrobial properties, potentially contributing to the allelopathic effects of the plant.
Terpenoids: Terpenoids, or isoprenoids, constitute a diverse group of compounds originating from isoprene
building blocks.
Acroptilon repens has the capacity to synthesize terpenoids like sesquiterpenes and diterpenes. Certain
terpenoids identified in Russian Knapweed may exhibit insecticidal or allelopathic attributes, influencing its
ecological dynamics.
Flavonoids, a subset of phenolic compounds, display a wide spectrum of biological functions.
Acroptilon repens may contain flavones, flavonols, flavanones, and other derivatives of flavonoids. These
components play a role in the plant's pigmentation, UV shielding, and defense mechanisms against
pathogens and herbivores. Glycosides: Glycosides are compounds comprising a sugar moiety (glycone)
linked to a non-sugar moiety (aglycone).
Acroptilon repens could potentially house glycosides with diverse pharmacological properties,
including cardiac glycosides, cyanogenic glycosides, and saponins. These compounds may exhibit medicinal
attributes or serve as protective measures against herbivores and pathogens.
Essential oils are volatile substances synthesized by plants, often possessing distinct fragrances and
medicinal qualities. Acroptilon repens has the ability to generate essential oils containing components like
monoterpenes, sesquiterpenes, and their derivatives. Extracts of essential oils from Russian Knapweed may
demonstrate antimicrobial, anti-inflammatory, or insecticidal effects [5,6,7].
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