Tropical Plant Research

Tropical Plant Research

An International Journal by Society for Tropical Plant Research

ISSN (E): 2349-1183 ISSN (P): 2349-9265
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2023, VOLUME 10 ISSUE 2Pages: 53-59

Solvents extraction of secondary plant metabolites from Prosopis juliflora (Sw.) DC. and annihilated fermentation on plant residues

Bandla Srinivas* and Om Hari Chaturvedi
*ICAR-Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, India
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Abstract:
The study evaluated cellular, cell wall, and secondary plant metabolites (SPM) composition in solvent extract residues of stem, leaves, fruits, and pods of Prosopis juliflora (Mesquite) and, their effect on the anaerobic fermentation in vitro. SPMs from different parts were extracted with 0.5 M HCl and 0.5 M NaOH, absolute acetone, and methanol. Dissolved solutes were more on methanol followed by acetone and 0.5 M HCl and least on 0.5 M NaOH. A significant difference in cell (P< 0.01) and, cell wall constituents (P< 0.01), nitrogen fractions (P< 0.01) and SPMs viz., total extractable tannins, alkaloids, glucosinolates, and hydrocyanic acid (HCN) was observed in the residues. Residues of leaves, fruits, and to the less extent the stem, were positive to cyanogenic glucosides. Despite better nutritional composition of solvent residues of leaves and fruits, anaerobic fermentation was annihilated due to the presence of SPM. Although anaerobic fermentation in vitro was absent on fresh fruits, oven drying resulted in comparable IVGP and reduced SPMs observed on naturally dried pods. The study concluded that SPMs recovery was better in methanol and Mesquite leaves were rich in SPM among all other plant parts and lethal to microbes thus, the leaf extracts from the weed could be explored to antimicrobial effect.
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