What type of study is this?

This is a In Vitro Study study.

Evaluation of Antioxidant Activity of Methanol Extract of Neem Leaves (Azadirachta indica) Using DPPH, ABTS, and FRAP Methods

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In vitro assessment reveals strong antioxidant potential in neem leaves, highlighting flavonoids and phenolics as key contributors.

The methanol extract of neem leaves showed strong antioxidant activity in the DPPH assay with an IC₅₀ value of 54.91 ppm.
Phytochemical analysis confirmed the presence of flavonoids, phenolics, alkaloids, and terpenoids in the extract, indicating rich secondary metabolites.
Antioxidant activity assessment utilized DPPH, ABTS, and FRAP methods, with no IC₅₀ values determinable in ABTS and FRAP assays at concentrations up to 1000 ppm.
The findings suggest that neem leaves could provide a natural source of antioxidants, enhancing our understanding of their health benefits.

Aini et al. (2025) studied this question.

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View Full Paper

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Authors

In vitro assessment reveals strong antioxidant potential in neem leaves, highlighting flavonoids and phenolics as key contributors.

The methanol extract of neem leaves showed strong antioxidant activity in the DPPH assay with an IC₅₀ value of 54.91 ppm.
Phytochemical analysis confirmed the presence of flavonoids, phenolics, alkaloids, and terpenoids in the extract, indicating rich secondary metabolites.
Antioxidant activity assessment utilized DPPH, ABTS, and FRAP methods, with no IC₅₀ values determinable in ABTS and FRAP assays at concentrations up to 1000 ppm.
The findings suggest that neem leaves could provide a natural source of antioxidants, enhancing our understanding of their health benefits.

Aini et al. (2025) studied this question.

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