PurposeThis review aims to provide synoptic documentation on acclaimed anecdotal plant-based remedies used by Latin America and the Caribbean (LAC) communities to manage COVID-19. The theoretical approaches that form the basis for using the anecdotally claimed phytotherapies were reviewed against current scientific evidence.Design/methodology/approachIn this paper plant-based remedies for managing COVID-19 were searched on social and print media to identify testimonies of people from different communities in LAC countries. Information was extracted, evaluated and reviewed against current scientific evidence based on a literature search from databases such as Journal Storage (JSTOR), Excerpta Medica Database (EMBASE), SpringerLink, Scopus, ScienceDirect, PubMed, Google Scholar and Medline to explore the scientific basis for anecdotal claims.FindingsA total of 23 medicinal plants belonging to 15 families were identified as phytotherapies used in managing COVID-19 in LAC communities.Originality/valueThe plant-based remedies contained valuable phytochemicals scientifically reported for their anti-inflammatory, antiviral, antioxidant and anticancer effects. Anecdotal information helps researchers investigate disease patterns, management and new drug discoveries. The identified acclaimed plant-based remedies are potential candidates for pharmacological evaluations for possible drug discovery for future pandemics.
Aim and Objective: The concurrent use of herbal products with orthodox medicine is on the rise with the risk of herb-drug interaction that could be beneficial or harmful to the body. Paracetamol (acetaminophen) is an anti-pyretic and analgesic drug metabolized by CYP2E1 to give the major hepatotoxin, N-acetyl-p-benzoquinone imine (NAPQI). Denik cleanserâ is an oral herbal preparation from plants part of Occimum grattissimum, Colocynthis citrullus, Khaya ivorensi. The aim of this study was to evaluate the hepatotoxic effects triggered by Denikâ and paracetamol co-administration in rats. The study sought to mimic conventional usage of Denik cleanserâ followed by ingestion of paracetamol, a likely scenario given the popularity of both compounds. Method: Twenty animals were randomly assigned to four groups, the first group (control) received 0.3 mL distilled water, 2nd group received paracetamol 100 mg/kg, 3rd group received Denik cleanserâ2 mL/kg while the 4th group received both paracetamol and Denik cleanserâ at 100 mg/kg and 2 mL/kg daily for 3 days after which biochemical and histological analysis were carried out. Results: From histological analysis revealed that rats that received Denikâ-only and Denikâ/paracetamol (concomitantly) showed markedly distorted liver architecture compared to control indicating toxicity. Similarly, the biochemical analysis results showed a significant (p<0.05) increase in AST and ALT for the Denikâ/paracetamol group compared to the control group indicating a hepatotoxic event. A non-significant increase in ALP and GGT were also observed in the Denik cleanserâ + paracetamol group. Enhanced metabolism of paracetamol by Denik cleanserâ to NAPQI (hepatotoxic metabolite) is indicated as possible mechanism. Conclusion: The results of this study demonstrated the in vivo potential for a herb/drug interaction involving paracetamol and Denik cleanserâ resulting in liver injury.Therefore, caution is strongly advised against its casual, non-medically supervised usage. Peer Review History: Received: 3 November 2022; Revised: 7 December; Accepted: 9 January 2023, Available online: 15 January 2023 Academic Editor: Dr. Nuray Arı, Ankara University, Turkiye, ari@ankara.edu.tr Received file: Reviewer's Comments: Average Peer review marks at initial stage: 5.5/10 Average Peer review marks at publication stage: 7.0/10 Reviewers: Dr. Sangeetha Arullappan, Universiti Tunku Abdul Rahman, Malaysia, sangeetha@utar.edu.my Prof. Hüsniye Kayalar, Ege University, Turkey, husniyekayalar@gmail.com Similar Articles: CO-ADMINISTRATION OF GOKO HERBAL CLEANSER AND PARACETAMOL: A HERB-DRUG INTERACTION STUDY IN-VITRO ANTIOXIDANT, LIPID PEROXIDATION INHIBITION AND LIPID PROFILE MODULATORY ACTIVITIES OF HB CLEANSER®BITTERS IN WISTAR RATS
Exposures to heavy metals and metalloids have been associated with decreased fecundity and fertility in couples conceiving via assisted reproduction. Heavy metals and metalloids can alter the homeostasis of critical hormones controlling sexual maturation by binding to critical hormones and receptors. This may disrupt the time course of sexual maturation directly or indirectly affecting reproductive competence in males and females. The present review aims to provide a summarized overview of associations between heavy metal exposure, reproductive concerns, and IVF outcomes. A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) in Google Scholar, Scopus, EMBASE and PubMed databases. Initial search produced 1,351 articles from which 30 articles were eligible to be included in the systematic review. From our results, 16 articles reported associations between selected heavy metals and IVF outcomes, while 14 articles summarized the role of heavy metals in reproductive concerns. For the studies on IVF outcomes, different human samples were examined for heavy metals. Heavy metals and metalloids (Pb, Hg, Cd, Cr, Mn, As) correlated negatively with oocyte fertilization/pregnancy rates in hair, follicular fluid, serum, urine and seminal plasma samples, while Cd and Hg in whole blood samples showed no associations. For the studies on reproductive concerns, high levels of heavy metals/metalloids were implicated in the following conditions: infertility (Cd, Pb, Ba, U), spontaneous abortion/miscarriage (Pb, Cd, Sb), congenital heart disease (Al, Mg, Cd), PCOS (As, Cd, Hg, Pb), endometriosis (Pb) and uterine leiomyomata (Hg). Taken together, the results of our study suggest that the impact of heavy metals and metalloids exposure on reproductive health may contribute to the failure rates of in vitro fertilization.
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