IMPACT OF HYDROTHERMAL ISOLATION METHOD ON THE RECOVERY OF FENUGREEK SEED HEMI-CELLULOSE ANALYZED THROUGH FTIR-DSC-SEM INTERPRETATIONS

Abstract

Natural Herbal components like seeds mucilages, exudates, gums, polysaccharides, celluloses, hemicelluloses, starch, etc. are now a day’s exploited as excipients. Literature reveals medicinal, nutraceutical and pharmaceutical uses of fenugreek seed hemicelluloses in dosage form design. Hemicelluloses like galactomannans are water-soluble polysaccharides highly susceptible to hydrolysis either by acidic conditions or by uncontrolled hydrothermal processes. Chances of breakdown of intact polymeric polysaccharides chains into oligosaccharides, disaccharides, monosaccharide, etc. increases. Conversion into basic sugar units may also take place leading to changes in the polymeric behavior of the intact structures. So, in the present research percentage hemicellulose recovery is determined by invasive, indirect method in terms of basic glucose units. FTIR-SEM-DSC analysis was found to be useful characterization tools to interpret and support the recovery details of the hemicellulose isolates. Finally, it is concluded that the method of isolation of any natural component either hemicellulose, cellulose, etc. targeted to be utilized as excipient entity in dosage form design should be strictly optimized because there are numerous factors in processing which may convert these intact high molecular weight polysaccharide polymeric structures into low molecular weight of monomer units which ultimately may lead to alterations in the functional performance of these structures. INTRODUCTION: Various useful plants legumes contain mainly glucans (starches and cellulose), hemicelluloses, and sugars as carbohydrates. Many Legume trees exude gums whereas legume seeds additionally have galactomannans and amyloid as endosperm reserve polysaccharides 1 . All these polysaccharides, gums, celluloses, hemicelluloses, starches are now a day’s exploited as pharmaceutical excipients.