Abstract
Interaction of semi-refined carrageenan with other food hydrocolloids in different ratio and their rheological, physicochemical and some functional characteristics were evaluated in the present study. Gel strength and viscous synergism index (Iv) were measured and used to analyze their interaction level. Kappa carrageenan had good synergistic effect with cassia, LBG, guar, HPMC and konjac and antagonistic effect with xanthan, alginate, CMC and agar. Only Iota carrageenan in the range of 60:40 with kappa showed neutral effect. A blend of SRC with konjac / LBG can be made for good gel strength whereas konjac / GG for good viscosity. Therefore, SRC can be used in place of refined carrageenan in some food applications.
Highlights
Hydrocolloids are a heterogeneous group of long chain polysaccharides and proteins
Due to best internal absorption, the bioavailability of less water soluble drugs increases even though it passes through oral way (Constantinides, 1995; Bates et al, 1975).Absorption in the gastrointestinal tract is improved by a small droplet size been found (Toguchi et al, 1990)
Xanthan gum and carboxyl methyl cellulose play the main role in the soups, ketchup and gravies (Sahin et al, 2004)
Summary
Hydrocolloids are a heterogeneous group of long chain polysaccharides and proteins. When it fuses with water, it forms colloid which is between a true solution and suspension. Hydrocolloids offer food formulators a strong value proposition, based on a unique synergy with other hydrocolloids and protein. Depending upon their origin, hydrocolloids can be classified as Natural, Semi-synthetic and Synthetic. The application of nanotechnology to the food sector focus on color, taste, texture, sensory attributes and stability during shelf life It improves the thermal stability, water solubility and oral bioavailability of functional compounds (McClements et al, 2009) Nano emulsions derived from the natural hydrocolloids act as colloidal drug carriers for pharmaceutical applications. In the food industry, combined hydrocolloids and their formulation have been proven successfully at the various industrial products during and after processing Their properties mostly depend on individual hydrocolloid properties. The objective of present study was to investigate the interaction of Semi-Refined Carrageenan (E407a) with nano sized dosage of some mood hydrocolloids and their physiochemical, functional and rheological properties
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