Curcuma angustifolia

Curcuma angustifolia · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Curcuma angustifolia is a versatile plant species that holds significant potential for biological applications, particularly when utilizing its leaf components. Through the extraction of leaf essential oil and oil from waste leaves, researchers can harness potent bioactive compounds such as Curzerenone, Eucalyptol, and Geranyl-p-cymene. These specific chemicals allow the plant preparations to function effectively as a repellent and antimicrobial agent. Studies have demonstrated their efficacy in managing various conditions involving pathogens like Escherichia coli, Pseudomonas aeruginosa, and Salmonella enterica, even in the presence of Hydrogen Peroxide. Consequently, this plant offers a sustainable approach to controlling microbial growth and managing environmental stressors.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Zingiberaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Curcuma angustifolia is a versatile plant known by several different names across various cultures and languages. In English-speaking contexts, it is frequently referred to by its common name, East Indian arrowroot. Moving into different linguistic traditions, the species is also identified as ostryż wąskolistny. In certain regional dialects, the plant carries the specific names tikor or tikur. These diverse monikers reflect the widespread botanical importance and global presence of this unique species.

Sources: Catalogue of Life (COL)

Taxonomy

Curcuma angustifolia belongs to the vast kingdom Plantae, representing the diverse life found throughout the natural world. Within this kingdom, it is classified under the class Equisetopsida, establishing its fundamental botanical structure. It further falls under the order Zingiberales, which connects it to a specific lineage of flowering plants. This species is a member of the genus Curcuma, a group known for its unique morphological characteristics. Finally, it is nested within the family Zingiberaceae, highlighting its close evolutionary ties to other ginger-related plants.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Zingiberales
Family Zingiberaceae
Genus Curcuma

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Curcuma angustifolia exhibits a diverse geographic range that spans across various regions of the Asian continent. In temperate zones, the species can be found throughout China, including the Southeast region. Its tropical distribution is equally significant, primarily centering around the Indian Subcontinent. Within this subtropical belt, the plant thrives in specific areas such as Assam, Bangladesh, and Nepal. Ultimately, the widespread presence of this species in India further highlights its extensive ecological footprint across Asia.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Curcuma angustifolia is a self-supporting herb characterized by its compact growth form. This plant maintains a modest stature, reaching a maximum height of only 0.4 meters. Its structural simplicity makes it a distinct and easily identifiable species within its environment.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Curcuma angustifolia offers a promising natural solution for pest management through the use of its leaf essential oils. Research indicates that these oils, which are often extracted from discarded plant waste, exhibit significant repellent activity against major stored product insects. Specifically, when test insects are exposed to various concentrations of the oil, they display noticeably high repellency rates. Beyond simple deterrence, the oil also demonstrates effective contact and fumigant toxicities against species such as the cigarette beetle and red flour beetle. Ultimately, these findings suggest that C. angustifolia can serve as a safe and efficient botanical pesticide without harming the germination of stored seeds.

Compounds

Curcuma angustifolia is a medicinal herb belonging to the Zingiberaceae family that offers significant potential for sustainable pest management. Research into the essential oils extracted from its waste leaves reveals a complex chemical profile. Specifically, the oil contains key constituents such as curzerenone, which serves as a major component of its chemical makeup. Furthermore, the presence of geranyl-p-cymene and eucalyptol contributes to the biological efficacy of the extract. These identified compounds work together to provide effective insecticidal and repellent properties against various stored product pests.

Conditions

Curcuma angustifolia leaf essential oils demonstrate significant antioxidant potential by treating the ABTS and DPPH free radical sources. The plant also exhibits antibacterial properties, specifically through its ability to treat the Gram-negative bacterium Escherichia coli. Furthermore, the essential oils serve as an effective botanical pesticide against various stored product insects. This insecticidal activity includes the ability to treat Callasobruchus chinensis and Lasioderma serricorne through contact, fumigant, and repellent mechanisms.

Preparations

Curcuma angustifolia is prepared as leaf essential oil through the process of hydrodistillation. This specific oil is extracted from leaves that are typically discarded as waste following the harvesting of the plant's rhizomes. By utilizing these waste leaves, researchers can produce an oil that serves as a potential biopesticide. The resulting Curcuma angustifolia oil demonstrates significant insecticidal properties against various stored grain pests. Consequently, transforming these discarded leaves into essential oil provides an effective way to repurpose plant waste for pest management.

Parts used

Curcuma angustifolia possesses leaves that have traditionally been viewed primarily as agrowaste during the extraction of rhizome oils. However, recent research highlights the significant value of these leaves as a sustainable source for essential oils. By analyzing the leaf essential oil of Curcuma angustifolia, scientists identified key chemical components such as eucalyptol, curzerenone, and α-curcumene. These findings suggest that the plant's foliage holds much more pharmacological potential than previously recognized. Ultimately, valorizing these leaf wastes offers a promising way to utilize the full biological capacity of the species.