Helichrysum plicatum
Helichrysum plicatum · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Helichrysum plicatum is a remarkable botanical species frequently utilized for its diverse biological activities. Scientific investigations have highlighted the potent antibacterial properties found within its flower parts. These therapeutic effects are largely attributed to key chemical constituents, including apigenin, kaempferol, naringenin, and quercetin. Researchers have demonstrated the efficacy of both essential oils and ethanol extracts derived from the plant against pathogens such as Escherichia coli and Listeria monocytogenes. Consequently, this plant represents a significant subject of interest for developing natural antimicrobial agents.
- Synonyms
- Not available
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Not available
- Plant Parts
- Flower
Classification
Taxonomy
Helichrysum plicatum belongs to the diverse kingdom Plantae, showcasing the vast complexity of the natural world. Within this broad category, it is classified under the class Equisetopsida, marking its place among the flowering plants. It further falls into the order Asterales, a group known for its distinct botanical characteristics. As a member of the genus Helichrysum, it shares specialized traits with its close evolutionary relatives. Finally, this species is firmly rooted in the Asteraceae family, where it joins a massive array of composite flowers.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helichrysum |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Helichrysum plicatum is a resilient species primarily distributed throughout the temperate regions of Asia. Its natural habitat spans a diverse range of landscapes, stretching from the Caucasus and Transcaucasus to the heart of Western Asia. Within this vast territory, the plant can be found thriving in the unique environments of Iran and Iraq. It also maintains a significant presence across the Levant, specifically within the Lebanon-Syria region. Furthermore, its established range extends into the varied terrains of Türkiye, illustrating its wide ecological footprint.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Helichrysum plicatum is characterized by its distinct herbaceous growth form. This plant typically reaches a maximum height of 0.55 meters, though it can grow as small as 0.1 meters. Such variability in stature allows it to adapt effectively to its environment.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Helichrysum plicatum demonstrates significant antibacterial activity, making it a valuable component in natural preservative formulations. Recent research has highlighted its potential when blended with essential oils from parsley and oregano to combat bacterial contamination in dairy products. Specifically, the plant's oil contains key compounds like α-pinene and γ-curcumene that contribute to its antimicrobial efficacy. Studies utilizing mixture design have shown that combining these oils in precise ratios can effectively target pathogens such as Listeria monocytogenes and Escherichia coli. These findings, supported by computational simulations, suggest that H. plicatum is a promising natural candidate for enhancing food safety and shelf life.
Compounds
Helichrysum plicatum is a plant rich in various bioactive compounds, most notably a diverse range of polyphenols. Scientific analysis through HPLC identification has confirmed that the flower extracts contain several key aglycones, including apigenin, naringenin, and kaempferol. Furthermore, the plant contains quercetin, which often appears in its glycosylated form within the extracts. These specific phenolic constituents are highly significant due to their strong correlation with the plant's antioxidant and cytotoxic activities. Understanding this chemical composition is essential for developing advanced encapsulation systems to preserve these valuable bioactive properties.
Conditions
Helichrysum plicatum demonstrates significant biological versatility, as its extracts can reduce contractions induced by BaCl2 at concentrations of 3-900 microM. The plant also exhibits antioxidant properties, which were confirmed through its performance in the DPPH radical scavenging assay. In terms of antimicrobial potential, the essential oil of this species shows efficacy against the bacterium Escherichia coli. Furthermore, the extracts possess cytotoxic activity against various human cancer cell lines, specifically targeting HeLa cells. Finally, the plant displays significant effectiveness in treating K562 cells, particularly when using extracts obtained with 100% ethyl acetate.
Preparations
Helichrysum plicatum is prepared as essential oils to explore their antibacterial potential against foodborne pathogens like Listeria monocytogenes and Escherichia coli. Chemical analysis of these essential oils identifies major compounds such as α-pinene, γ-curcumene, and neryl acetate. Additionally, Helichrysum plicatum is prepared as an ethanol extract from its flowers to investigate medicinal properties. This specific ethanol extract has demonstrated a significant relaxant effect on isolated rat ileum contractions. These diverse preparations highlight the plant's utility in both antimicrobial preservation and pharmacological studies.
Parts used
Helichrysum plicatum is a notable plant species primarily utilized for the medicinal and functional properties of its flowers. Research indicates that extracts derived from these flowers contain high levels of polyphenols, which can be effectively preserved through advanced spray-drying encapsulation techniques. Beyond preservation, the flower extracts demonstrate significant biological activities, including antioxidant and antiradical capabilities. Studies have also highlighted their pharmacological potential, specifically showing a relaxant effect on isolated intestinal contractions. Furthermore, certain flower extracts exhibit moderate cytotoxic activity against various human cancer cell lines, driven by their rich phenolic content.