GC-MS of Allium sativum (Garlic) and Gongronema latifolium (Utazi) plant extracts and inhibition of post-harvest fungi in cocoyam
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Abstract
The research elaborated the significantly used the Gas Chromatography-Mass Spectrometry Analysis technique for detecting the phytochemical constituents in Allium sativum (Garlic) and Gongronema latifolium (Utazi) extracts that made them a good potent antifungal activity and useful for quality control. The phytochemical constituents of G. latifolum are identified as phytol, phthalic acid, oleic acid, octasiloxane and octadecadienol while Benezeneacetaldehyde, Diallyldisulphide, Disulfane, p-Benzoquinone and Octanoic acid were found in A. sativum. The presence of these compounds justified the use of some plant parts for various elements in antifungal and can be advised as a plant of phytopharmaceutical and industrial importance. UV-VIS techniques were assessed the UV visibility in G. latifolium extract. The absorption peaks of plant extracts’ UV-VIS spectra were shown to be 202, 204, 209, 224, 226, 228, 230, 234, 236, 238, 241, 282, 404, 503, 535, 608 and 666 nm, with absorption values of 10.000, 10.000, 5.449, 10.000, 5.635, 6.771, 5.671, 10.000, 10.000, 6.524, 10.000, 10.000, 0.814, 0.098, 0.085, 0.075 and 0.292, respectively while UV-VIS profile of A. sativum extract was collected at wavelengths ranging from 202 to 281 nm. Peaks were seen at 202, 205, 214, 217, 220, 222, 227, 230, 233, 236, 238, 247, 250, 254, 256, 259, 261, 264, 266, 269, 274, 276, 278 and 281 nm with absorption values of 4.694, 4.596, 10.000, 10.000, 5.013, 4.936, 4.573, 4.623, 4.647, 4.704, 4.666, 5.076, 6.038, 10.000, 10.000, 10.000, 10.000. 5.682, 5.494, 6.553, 10.000, 10.000, 10.000 and 5.447 respectively. The antifungal activities of these plant extracts were expressed to inhibit Aspergillus niger, Penicillium citrinum, Fusarium solani, Rhizopus stolonifera, and Mucor piriformis isolated from stored cocoyam tubers.
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