The ability of three Pleurotus species (P. florida LCJ 65, P. ostreatus LCJ 183 and P. sajorcaju LCJ 184) was compared for the decolourization of bromophenol blue, brilliant green and methylred using by solid and liquid medium. All three Pleurotus species were effective in decolourizing the dyes on potato dextrose agar plate. During quantitative decolourization experiments, the absorption spectrum of the dye solution showed a steady decrease in decolourization with the increase in the days of incubation. The decolourization efficiency varied for species to species and it was found that P. sajorcaju LCJ 184 effectively decolourized the selected dyes by 85-98%. In present study, different factors (dye concentration, inoculums size, pH, static and shaking culture conditions) influencing the ability of Pleurotus species to decolourize three different dyes is documented and the result proposes P. florida LCJ 65 and P. sajorcaju LCJ 184 as potential strains for decolourization ofbromophenol blue, brilliant green and methylred dye.
Henckelia incana is an endemic medicinal plant used for the treatment of fever and skin allergy. In the present study shoot regeneration was evaluated on Murashige and Skoog's (MS) medium supplemented with auxins, Indole-3-acetic acid (IAA), Indole-3- butyric acid (IBA), 1-Naphthaleneacetic acid (NAA), 2, 4-Dichlorophenoxyacetic acid (2, 4-D) and cytokinins, 6-Benzylaminopurine (BAP) and Kinetin (Kn) at concentrations of 0.5, 1.0, 2.0, 3.0, 4.0 and 5.0 mgl(-1). MS medium with IBA (18.08), NAA (17.83) and IAA (17.58) at 0.5 mgl(-1) concentrations showed efficient regeneration. Regenerated shoots were rooted on half-strength MS medium with and without 0.5 mgl(-1) IBA or NAA. The plantlets were successfully hardened in rooting trays (peat, vermiculite and sand) and transferred to field mileu. The genetic fidelity of in vitro raised plants was assessed by using three different single primer amplification reaction (SPAR) markers namely random amplified polymorphic DNA (RAPD), inter-simple sequence repeat (ISSR) and direct amplification of mini-satellite DNA region (DAMD). The results consistently demonstrated true-to-true type propagation. This is the first report of in vitro propagation and establishment of true-to-true type genetic fidelity in H. incana.
Submission of an original paper with copyright agreement and authorship responsibility.I (corresponding author) certify that I have participated sufficiently in the conception and design of this work and the analysis of the data (wherever applicable), as well as the writing of the manuscript, to take public responsibility for it. I believe the manuscript represents valid work. I have reviewed the final version of the manuscript and approve it for publication. Neither has the manuscript nor one with substantially similar content under my authorship been published nor is being considered for publication elsewhere, except as described in an attachment. Furthermore I attest that I shall produce the data upon which the manuscript is based for examination by the editors or their assignees, if requested.Thanking you.
Submission of an original paper with copyright agreement and authorship responsibility.I (corresponding author) certify that I have participated sufficiently in the conception and design of this work and the analysis of the data (wherever applicable), as well as the writing of the manuscript, to take public responsibility for it. I believe the manuscript represents valid work. I have reviewed the final version of the manuscript and approve it for publication. Neither has the manuscript nor one with substantially similar content under my authorship been published nor is being considered for publication elsewhere, except as described in an attachment. Furthermore I attest that I shall produce the data upon which the manuscript is based for examination by the editors or their assignees, if requested.Thanking you.
Background: Rheum emodi been used traditionally to treat diabetes in India. This study was designed to elucidate the action of R. emodi (Rhizome) ethanolic extract (75%) and its isolated compounds like emodin and chrysophanol on alloxan-induced diabetic rats to check the anti-diabetic efficacy. To access acute toxicological and histopathological study to evaluate the anti-diabetic efficacy of R. emodi. Method: Experimental rats were grouped into seven and each group consisting of 6 rats. 75% ethanolic extract and its compounds emodin and chrysophanol were given for 30 days. Results: The experimental rats were sacrificed on 30 days by cervical dislocation. Parameters like renal profile and lipid parameters were determined. As well as histopathological changes in diabetic rat’s liver, kidney and pancreas were studied. The 75% ethanolic extract of R. emodi (EE-ReR) fed orally to diabetic rats, resultant in a decline in the fasting blood glucose, total cholesterol, free fatty acids, creatinine, urea, and a rise in the insulin levels were observed almost normal range in the rats fed with the extract. Histopathological studies of pancreas, kidney, and liver in diabetic rats revealed that the treated group of rats showed regeneration of islets cells to almost as normal. Acute toxicological studies revealed that the extract is safe up to 2000mg/kg bw of extract feed orally. Conclusion: These findings are suggestive of a possible protective and prevent damage to the internal organs played by the R. emodi and its compounds like emodin and chrysophanol compounds and elevate insulin production during high blood glucose levels without any acute toxicologically effect.
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