Fish Based Fortified Foods- A Glimpse Towards Future Potential: OAJBS Publishers
Fish Based Fortified Foods- A Glimpse Towards Future Potential by Asit K Saha in Open Access Journal of Biomedical Science
Fish
is an important source of good quality protein and lipid contents for most
parts of the world. It is considered as an excellent supplementary food item to
meet the requirements of essential amino acids (particularly lysine) for us. It
also contains good lipids (such as triglycerides, phospholipids, cholesterol
and cholesteryl esters) and fat-soluble vitamins (A, D and E) either in small
or large percentage (in cod, halibut and shark). Fish contains SFA (saturated
fatty acids), MUFA (monounsaturated fatty acids), PUFA (polyunsaturated fatty
acids), EPA (ω-3 eicosapentaenoic acid), DHA (ω-3 decosahexaenoic acid) and ω-6
arachidonic acid. So, to avoid coronary disease among men it has been recommended
to have the intake in the diet at least 2 to 3 serving times per week [1]. The
presence of TMAO (trimethylamine oxide), high content of NPN (non-protein
nitrogen), variable lipid content with high degree of unsaturation and high
amount of ω-3 fatty acids, low carbohydrate content with high pH (=6), termed
as “low-acid food” (as pH≥4.5). The combined total amount of ammonia, TMA and
DMA is called total volatile base nitrogen (TVBN). The freshness of fish is
identified by TVBN, since it is an indicator of fish detoriation [2] and also
the detection of mercury (Hg) is essential for final fish products. Present
work aims to prepare fortified foods which contain different macro and
micronutrients in one product easily at a competitive cost. To get the desired
nutrients, successive blending of sterilized fishes with aloe vera and kiwi
fruit pulp was performed followed by adding flours proportionately to reduce
moisture load for vacuum drying and hence the process cost.
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