Publication: Phytochemical and agronomic evaluation of selected niyog-niyogan (Combretum indicum (L) DeFilipps) accessions of the Philippine biorepository network
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Date
2024-05
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Don Mariano Marcos Memorial State University- North La Union Campus
Abstract
C. indicum is an important but understudied medicinal plant in the Philippines that
is often misidentified in the literature and has limited utilization due to the side effects of
its seeds.
This study evaluated the two preselected C. indicum accessions of the PBN
regarding the phytochemical and agro-morphological traits of the leaves as a potential
alternative to the seeds as a vermifuge to select a taxonomically verified reference
germplasm. Qualitative characterization and quantitative evaluation were adopted, and t-
test was used to check differences between the two accessions, with significance evaluated
at a 95% confidence level.
Flavonoids, saponins, and tannins were detected, and similar levels of antioxidant
activity were evaluated in both accessions. Accession 2018-221 was selected as the
suitable candidate based on its significantly lower ash (8.90(0.09)%) and crude fiber
content (15.02(0.11)%) and its larger (average leaf area – 29.29(11.13)cm2) and heavier
leaves, (average fresh weight – 0.44(0.16)g, oven-dried weight – 0.14(0.06)g).
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Bartolome, M.C.B. (2024). Phytochemical and agronomic evaluation of selected niyog-niyogan (Combretum indicum (L) DeFilipps) accessions of the Philippine biorepository network. [Unpublished Undergraduate Thesis, Don Mariano Marcos Memorial State University- North La Union Campus, Bacnotan, La Union].