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This is a In Vitro Study study.

August 20, 2025Open Access

Microscopic anatomy and phytochemical profiling of Curcuma cotuana

VTVõ Văn ThiệpIndustrial University of Ho Chi Minh City NTNguyen Ngoc ThuanIndustrial University of Ho Chi Minh City HVHong Thien VanIndustrial University of Ho Chi Minh City

Key Points

The study reveals the first detailed micromorphological characteristics of Curcuma cotuana, enhancing knowledge of its anatomy.
Quantified bioactive compounds identified in leaf and rhizome extracts include flavonoids and phenolics, showing beneficial potential.
Observational analysis confirmed higher concentrations of total flavonoids in leaf extracts compared to rhizome extracts.
Phytochemical profiling may enable better understanding of health benefits associated with Curcuma cotuana extracts.

Abstract

Curcuma cotuana is a rare species belonging to the Zingiberaceae family. In present study, the micromorphological characteristics of the leaf sheath, leaf, root, root tuber and petiole of C. cotuana are reported for the first time. Additionally, phytochemical analysis confirmed that the leaf and rhizome extracts of the species contained various bioactive compounds, including phenolics, tannins, alkaloids, flavonoids, coumarins, saponins, steroids and terpenoids. Furthermore, the total flavonoids (TFC), total polyphenol content (TPC) and total triterpene content (TTC) of the leaf and rhizome extracts were quantified. The leaf extracts exhibited higher concentrations (TPC: 39.273 mg GAE/g DW, TTC: 41.831 mg OAE/g DW, TFC: 2.072 mg QE/g DW) compared to the rhizome extracts (TPC: 17.108 mg GAE/g DW, TTC: 4.226 mg OAE/g DW, TFC: 4.232 mg QE/g DW).

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