Publications by authors named "N S Njinga"

The need to explore the abundance of natural products cannot be overemphasized particularly in the management of various disease conditions. In traditional medical practice, has been widely adopted in the management of various inflammatory disorders. The objective of this investigation was to isolate the bioactive principles from the stem-bark and root of and assess the anti-inflammatory () activity of both the crude extracts and the isolated compounds.

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Article Synopsis
  • Hydroquinone, mercury, and arsenic were analyzed in skin-lightening cosmetics purchased from various stores in Ilorin, Nigeria, due to their hazardous health effects with long-term exposure.
  • The analysis used UV-spectrophotometry for hydroquinone and atomic absorption spectrophotometry for mercury and arsenic, with results showing varying levels of these substances in all samples tested.
  • Most samples exceeded safe limits, with only three containing permissible levels of hydroquinone; the study emphasizes the need for regular monitoring of these harmful chemicals in cosmetics sold in Nigeria.
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Background: Food and herbal usage of (HS) is attaining improved global relevance and acceptance without recourse to its potential toxic effects. This study investigated the safety profile of acute, sub-acute, sub-chronic administrations and diuretic potential of aqueous extract of calyces (AEHSC).

Method: Acute oral toxicity, sub-acute and sub-chronic toxicity as well as diuretic studies were carried out on HS.

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Aims: Plant extracts have long been used for the ethnomedical treatment of diabetes, microbial infections and as a source of antioxidant. This study was aimed at investigating the antidiabetic, antioxidant, and antimicrobial activities of the n-hexane and ethyl acetate extract of leaves (TBL) as associated with the ethnobotanical knowledge of the local people of Nigeria.

Main Methods: The phytochemical composition of the n-hexane and ethyl acetate extract of the leaves of were determined following standard procedures in literature, and it's inhibitory activities against α-glucosidase enzyme.

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