CHEMICAL ANALYSIS ON THE SAFETY USE OF MORINGA OLEIFERA LEAVES
Safety use of moringa oleifera leaves.
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Keywords: Components; Extraction; Moringa oleifera; Safety; Separation; Structural analysis., Dr. Uju Felicity Onwudinjo (Ifiora) ujufelicity@gmail.com 17/02/2025 To The Editor-in-Chief Subject: Submission of manuscript for evaluation and publication in your reputed journal Dear Editor, I am pleased to submit a research article entitled “Chemical analysis on the safety use OF Moringa oleifera leaves” for evaluation and consideration for publication. The Corresponding author of this manuscript is Dr. Uju Felicity Onwudinjo (Nee Ifiora). Dr. Uju Felicity Onwudinjo (Ifiora) initiated the research, conducted the preliminary analysis, interpreted the data, and was responsible for writing and typing of the manuscript. This research is significant due to the increasing cases of cancer and kidney ailments in Nigeria, where Moringa oleifera leaves are commonly used for culinary and medicinal purposes. Our study identified the presence of N-2-fluorenylacetamide, a carcinogen, in the water extract of Moringa oleifera, along with isoheptadecanol and coumarin, which were detected in the chloroform extract. This highlights the need to assess the safety of Moringa oleifera leaves. I confirm that this manuscript has not been published and is not under consideration for publication in any other journal. I also assert that there are no conflicts of interest to disclose. This research was conducted from 2007 to 2019 as part of a Ph.D. project under the supervision of the late Prof. I. O. C. Ekejiuba at Nnamdi Azikiwe University, Awka, Anambra State, Nigeria. I look forward to your positive response. Sincerely, [Your Uju Felicity Onwudinjo]Abstract
In Nigeria, increased food insecurity and inflation led families to seek alternative sources of a healthy diet, leading to a rising percentage of homes using Moringa oleifera. The question is, how safe is this plant? Chloroform-extractable metabolites of the Moringa oleifera, family Moringaceae, order Brassicales, claimed to be efficacious in ethnomedicine, have been studied to separate, isolate, and identify metabolites in the extract. Fresh parts of Moringa plants were extracted with chloroform solvent equilibrated with water made basic to ensure the extraction of components of moderately polar characteristics. The components extracted were separated in the Gas Chromatograph (GC) and subsequently analyzed in the Mass Spectrometer (MS) using GC-MS instrumentation. The structure of the separated components was determined using MS spectra lines, and the structure was confirmed using the National Institute of Standards and Technology (NIST) Chemistry Webbook database. GC results indicated that twelve components were extracted from the leaves extract. N-2- fluorenyl acetamide, isoheptadecanol, and coumarol/coumarin were some of the extracts from the chloroform extracts. A characteristic compound of MO, benzyl isocyanate, was also extracted. N-2-fluorenyl acetamide identified in the chloroform extract is a potentially carcinogenic and mutagenic derivative. This raises concerns about the safety of using Moringa oleifera and advocates for the use of its water extract instead of the whole leaves.
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