Research Journal of Pharmacognosy and Phytochemistry

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Pharmacognostic, Physicochemical and Phytochemical Investigation of Leaves of Duranta repens Linn


Affiliations
1 St. John Institute of Pharmacy and Research Vevoor, Manor Road, Palghar 401404., India
2 Bombay College of Pharmacy, Kalina, Santacruz (E), Mumbai 400 098., India
     

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Objective: The study was designed to investigate pharmacognostic characteristic of Duranta repenes Linn. (Verbenaceae) Leaves, a critical plant in the Indian system of medicine.

Methods: The macroscopy, microscopy, physiochemical analysis and fluorescence study of dried leaves powder and other WHO suggested parameters of standardization were carried out.

Results: Leaves are simple with petioles, ovate to oblong-ovate, with serrate margin and cute apex. Leaf venation indicates brachidodrome; pinnate. The leaf surface demonstrates the anisocytic sort stomata, veins, vein islet and vein termination. Transverse section of leaf demonstrates the epidermis layer covered with cuticle and vascular bundles (xylem and phloem) in the midrib region. The mesophyll region is separated into palisade and light parenchyma cells with raphides of calcium oxylate crystals. Epidermis shows presence of Uniseriate, unicellular covering trichomes. Segments of collenchymas was observed in midrib towards epidermis or aligned to epidermis.

Conclusions: It can be presumed that the pharmacognostic profile of the Duranta repenes Linn might be supportive in creating standards for quality, purity and sample identification.


Keywords

Duranta repens, Verbenaceae, Microscopical Characters, Phytochemical Screening.
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  • Pharmacognostic, Physicochemical and Phytochemical Investigation of Leaves of Duranta repens Linn

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Authors

V. Puri Abhijeet
St. John Institute of Pharmacy and Research Vevoor, Manor Road, Palghar 401404., India
N. Ansari Yunus
St. John Institute of Pharmacy and Research Vevoor, Manor Road, Palghar 401404., India
A. Puri Priti
Bombay College of Pharmacy, Kalina, Santacruz (E), Mumbai 400 098., India

Abstract


Objective: The study was designed to investigate pharmacognostic characteristic of Duranta repenes Linn. (Verbenaceae) Leaves, a critical plant in the Indian system of medicine.

Methods: The macroscopy, microscopy, physiochemical analysis and fluorescence study of dried leaves powder and other WHO suggested parameters of standardization were carried out.

Results: Leaves are simple with petioles, ovate to oblong-ovate, with serrate margin and cute apex. Leaf venation indicates brachidodrome; pinnate. The leaf surface demonstrates the anisocytic sort stomata, veins, vein islet and vein termination. Transverse section of leaf demonstrates the epidermis layer covered with cuticle and vascular bundles (xylem and phloem) in the midrib region. The mesophyll region is separated into palisade and light parenchyma cells with raphides of calcium oxylate crystals. Epidermis shows presence of Uniseriate, unicellular covering trichomes. Segments of collenchymas was observed in midrib towards epidermis or aligned to epidermis.

Conclusions: It can be presumed that the pharmacognostic profile of the Duranta repenes Linn might be supportive in creating standards for quality, purity and sample identification.


Keywords


Duranta repens, Verbenaceae, Microscopical Characters, Phytochemical Screening.

References