Persicaria odorata

Persicaria odorata · Accepted scientific name

Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆

Persicaria odorata is a versatile plant species widely recognized for the diverse therapeutic potential of its leaves. Scientific investigations into ethanolic leaf extracts have revealed that the plant possesses significant antibacterial, antifungal, and antioxidant activities. These biological properties are largely attributed to key chemical constituents, including caffeic acid (CA), catechin, flavonoids, and mangiferin (MG). By leveraging these bioactive compounds, the plant plays a crucial role in enhancing disease resistance and combating fungal infections. Consequently, studying its chemical profile offers valuable insights into developing natural solutions for managing various microbial threats.

Quick facts
Synonyms
Polygonum Odoratum
Common names
Not available
Family
Polygonaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Persicaria odorata is a versatile herb known by many different names across various culinary traditions. It is frequently referred to as Basilic chinois or Coriandre vietnamienne in certain regions. Many people also recognize this aromatic plant by its common name, Laksa, highlighting its importance in Southeast Asian cuisine. Depending on the local dialect, it may also be called Menthe vietnamienne to reflect its refreshing qualities. Finally, it is widely known as Rau ram, a name that connects it deeply to its cultural roots.

Sources: Catalogue of Life (COL)

Synonyms

Persicaria odorata is a fragrant plant commonly recognized by gardeners and botanists alike. While it is widely known by this name, it is also frequently identified by its synonym, Polygonum odoratum. This nomenclature shift reflects the evolving nature of botanical classification and scientific study. Understanding these different names is essential for anyone researching the specific characteristics of this species. Consequently, recognizing both terms ensures accuracy when discussing its medicinal or culinary uses.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Persicaria odorata is a member of the diverse kingdom Plantae. Within this vast biological realm, the plant is classified under the class Equisetopsida. It belongs to the order Caryophyllales, which helps define its evolutionary lineage. Further specialization places the species within the family Polygonaceae. Ultimately, it is identified by its specific genus, Persicaria.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Caryophyllales
Family Polygonaceae
Genus Persicaria

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Persicaria odorata is widely distributed throughout the temperate regions of Asia. In China, the plant can be found across a broad geographic range, spanning from the north-central provinces to the south-central and southeast areas. Its presence also extends to the tropical climate of Hainan island. Beyond mainland China, the species is naturally established in the Eastern Asian landscape of Japan. This diverse distribution highlights the plant's ability to thrive in various Asian environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Persicaria odorata is a charming herb characterized by its low-growing and self-supporting nature. This plant typically maintains a modest stature, often reaching a maximum height of only 0.2 meters. However, under certain conditions, it can expand to reach a height of up to 1 meter. Its compact growth form makes it a versatile addition to any garden landscape.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Persicaria odorata is a medicinal plant recognized for its diverse and potent biological activities. Research indicates that its ethanolic leaf extract possesses notable antioxidant capacity and significant antibacterial activity against selected pathogens. The plant's medicinal profile is further strengthened by its demonstrated antifungal properties, with various extracts showing fungicidal effects against different fungi. These therapeutic qualities are largely attributed to the presence of phytochemicals such as phenolics, flavonoids, quercetin, and catechin. Consequently, these combined activities suggest that the plant holds great potential as a natural additive for supporting health and disease resistance.

Compounds

Persicaria odorata is a medicinal plant recognized for its diverse and significant biological activities. Recent phytochemical profiling of its ethanolic leaf extract has confirmed the presence of beneficial flavonoids. High-performance liquid chromatography (HPLC) further verified that the plant specifically contains the bioactive compounds catechin and quercetin. These identified constituents are closely associated with the extract's notable antioxidant and antibacterial properties. Consequently, the presence of these phytochemicals supports the plant's potential use as a natural additive to enhance health and disease resistance.

Conditions

Persicaria odorata demonstrates significant medicinal potential through its notable antioxidant capacity and antibacterial activity against selected pathogens. The plant's extracts also exhibit fungicidal properties, with ethyl acetate extracts showing effectiveness against various fungi. Research indicates that dietary supplementation with this plant can enhance disease resistance and immune responses in fish. Furthermore, specific chloroform extracts of the plant have demonstrated cytotoxicity on African monkey kidney epithelial (Vero) cells. Together, these biological activities highlight the diverse therapeutic applications of Persicaria odorata.

Preparations

Persicaria odorata is prepared as an ethanolic leaf extract to investigate its phytochemical profile and biological activities. This specific ethanolic leaf extract has been utilized to evaluate antioxidant and antibacterial properties in aquaculture studies. Furthermore, the plant is prepared as leaves to facilitate the creation of various medicinal extracts. Research involving these leaf-based preparations includes testing hexane and ethyl acetate extracts for antifungal potential. These diverse preparation methods allow for the assessment of the plant's medicinal efficacy and cytotoxic effects.

Parts used

Persicaria odorata is a versatile medicinal plant that derives significant biological value from its leaves. Research into ethanolic leaf extracts has revealed a rich profile of phenolics and flavonoids, which contribute to strong antioxidant and antibacterial properties. These leaf extracts have demonstrated potential in aquaculture by improving disease resistance and supporting growth regulation in fish. Furthermore, various solvent extracts of the leaves exhibit potent fungicidal activities against multiple fungal species. Beyond its medicinal applications, the plant's leaves are also recognized for their nutritional value, containing essential minerals like calcium, magnesium, and manganese.