Central Food Technological Research Institute
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Mango-alginate gels: Characterization by objective and subjective attributes
No full textThe formation of mango-alginate gels with four independent variables like mango juice (50–92 g/100 g), sodium
alginate (3–5 g/100 g), glucono-δ-lactone (1.5–2.5 g/100 g) and calcium orthophosphate (1.5–2.5 g/100 g) was
designed by employing a second order central composite rotatable design. The response functions studied are
compressive textural parameters (maximum stress and Young’s modulus), sensory parameters (hardness, and
springiness), rate of syneresis of mango gel and the power law model parameters like rigidity constant (k) and
degree of concavity (n). The experimental results relating to the independent variables and response functions
fitted well and show a correlation coefficient (r) value 0.773 and 0.996 (significant at p ≤ 0.01). The rigid gel
texture reduces and yields very soft mango gel as the concentration of mango juice increases. As increase in the
gelling agent concentration of 3–5 %, increases the elasticity and rigid textural property. The results of the
optimization study show a wide variation in textural and sensory properties. A good mango gel can be set with a
firm texture is a desirable product while very hard texture and high adhesive characteristics are undesirable
Characterization of fatty acid composition of healthy and diseased coral mucus released from host and/or endosymbiont for their possible role in coral health
No full textCoral mucus serves as a barrier, protecting corals from a variety of biotic and abiotic stresses. Coral mucus contains all
essential nutrients including carbohydrates, amino acids and fatty acids (FA). Although fatty acids, an essential nutrient,
have been extensively studied in coral tissue and endosymbionts, their presence in coral mucus has been poorly under-
stood. Besides, there is no clear study on the coral tissue or endosymbiont as a key contributor to their release of fatty
acids into the mucus, and their potential function in disease and healthy states. Thus, the present study examined the fatty
acid profiles of diseased and healthy Acropora sp. and Porites sp. mucus. The study reveals that mucus contains FAs, and
Palmitic acid, a precursor fatty acid, was the most common mucus fatty acid found in both corals. However, there were
also differences in FAs between Porites sp. and Acropora sp., and as well as healthy and diseased mucus, indicating that
any biotic or abiotic stress affects the diversity and occurrence of mucus fatty acids. Furthermore, the FAs in mucus was
similar to that of heterotrophic coral tissue FAs rather than endosymbionts. As a result, our study not only contributes
to a better understanding of mucus FAs potential role as indicators of coral health and symbiotic association, but it also
indicates the probable source of these FAs
Identification of isoflavones and quantification of aglycone forms in health supplements.
No full textGreen Extraction and Characterization of Bioactive Compounds from Black Turmeric (Curcuma caesia Roxb.)
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