Matsyavatar: A Modern Outlook of a Mythological Tale

Das, Jayashree; Banerjee, Pradipta

doi:10.5958/2319-1198.2015.00011.1

Cited by 3 publications

(1 citation statement)

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“…India ranks as the third largest producer of fish in the world and fifth in terms of export of processed fish products. However, processing of fish generates enormous amounts of waste—approximately 0.3 million tons per annum (Adibi, ; Das & Banerjee, ). Although majority of fish waste is recycled to use as animal feed or glue, a considerable amount is dumped as landfill leading to leaching of chemicals and foul odor along with environmental hazard issues such as reduced oxygen levels, smothering of living organisms, and introduction of non‐native and invasive species to the ecosystem of the dumping area (Arvanitoyannis & Kassaveti, ; US EPA, ).…”

Section: Introductionmentioning

confidence: 99%

Utilization of marine industry waste derived collagen hydrolysate as peroxide inhibition agents in lipid‐based food

Das

Dey

Chakraborty

et al. 2017

J Food Process Preserv

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Marine industry waste is rich in the extracellular structural protein collagen, excised fragments of which are known to display numerous physiological activities. This study aims at screening waste derived collagen hydrolysates for their utility as peroxide inhibitors in lipid‐based food and cytoprotective agents via cell culture. Collagen was isolated from Pacu and Rohu waste by acid dissolution and salt precipitation. The purified collagen samples were analyzed through electrophoresis, spectral, and elution pattern and confirmed to be of Type‐I. The hydrolysates exhibited a molecular weight around 5 kDa and were found to be in random conformation. The hydrolysates substantially decreased peroxidation levels by 80–90% in linoleic acid model and were equally effective in market available products: cod liver oil and mustard oil. Cell culture assays showed that the hydrolysates were not toxic and capable of increasing cell survival rate by scavenging lipid peroxides generated in situ. Practical applications Peroxidation of lipid‐based food products leads to decreased quality, low benefit‐to‐cost ratio, and imparts harmful effects on consumption, thus requiring synthetic antioxidants to be added to the food. Synthetic oxidation inhibitors currently used carry the risk of carcinogenicity, making the search for natural, nontoxic, and biocompatible peroxide inhibitors a research hotspot. Collagen hydrolysates are bioactive, nontoxic, immune‐compatible, provide added nutritional benefits on consumption and as seen in this study, can be mass isolated from marine industrial wastes making them the perfect functional food additive to be replacing synthetic antioxidants. The utilization of waste would reduce pollution, add substantial value to a common industrial waste and remove the cost of peroxide inhibitor synthesis leading to decrease in the food price and increased shelf life.

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Section: Introductionmentioning

confidence: 99%

Utilization of marine industry waste derived collagen hydrolysate as peroxide inhibition agents in lipid‐based food

Das

Dey

Chakraborty

et al. 2017

J Food Process Preserv

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Recycling fish skin for utilization in food industry as an effective emulsifier and foam stabilizing agent

Kumar

Singh

Chakraborthy

et al. 2018

Turkish Journal of Biochemistry

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Background Indian fish industry produces a staggering amount of waste every year part of which is dumped as landfill leading to pollution. Objective This study aims to extract collagen from fish skin, a major component of this waste, hydrolyze it and use the hydrolysate as emulsifiers to increase the shelf life of food products. Materials and methods Collagen was purified from the skin of Catfish, Mullet and Indian Salmon were characterized through infrared and diffraction studies. The samples were hydrolyzed enzymatically. The hydrolysates were assayed for emulsifying, foam stabilizing and hemolytic properties. Results The samples displayed an electrophoretic and infrared spectral profile corresponding to that of collagen type I. X-ray diffraction patterns revealed the presence of triple helix and traces of phosphate. The hydrolysates (6 kDa) exhibited the highest emulsion at 2.74±0.20 m2/g (for 57.00±0.50 min) and foam stability in the range of 75–78%, respectively. The hydrolysates were able to stabilize drug and food formulations successfully and two of the samples exhibited less than 3% toxicity as determined through hemolytic assay. Conclusion Collagen hydrolysates from fish skin, a common fish industry waste, were found to be bioactive and non-toxic making them suitable replacements for synthetic emulsifiers.

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Biomimetic synthesis of nanocrystalline hydroxyapatite from sharkskin collagen

Banerjee

DasJayashree²,

TripathiShuchita

2018

Bioinspired, Biomimetic and Nanobiomaterials

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Hydroxyapatite (HA) ceramics have gained popularity as bone-grafting materials due to their excellent biocompatibility. However, chemically synthesized HA lacks a strong load-bearing capacity as required by bones. An alternative solution is to grow HA crystals by biomimetic mineralization of collagen under laboratory conditions. Marine industry wastes such as skin and bones, generally dumped in landfill, provide an alternative cheap source of collagen. This study was undertaken to utilize the recovered collagen from sharkskin, generally discarded as waste, as a substrate for growing nanocrystalline HA. Hammerhead sharkskin collagen was isolated, characterized and identified as type I. The biomimetic growth of HA was induced by subjecting the purified collagen to optimal mineralization condition with an in vitro nucleation solution. Fourier transform infrared spectroscopy and X-ray diffraction studies revealed the formation of HA after 21 d of incubation. The dimensions of the crystals were determined to be in the nanoscale range by scanning electron microscopy and atomic force microscopy. Osteoblasts displayed significantly higher adhesion and differentiation compared to Vero cells on dishes coated with HA crystals. The size, crystallinity and cellular interaction of biomimetically grown HA indicated that sharkskin could offer an ideal alternative substrate for nucleating bone growth in vivo.

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Matsyavatar: A Modern Outlook of a Mythological Tale

Cited by 3 publications

References 0 publications

Utilization of marine industry waste derived collagen hydrolysate as peroxide inhibition agents in lipid‐based food

Utilization of marine industry waste derived collagen hydrolysate as peroxide inhibition agents in lipid‐based food

Recycling fish skin for utilization in food industry as an effective emulsifier and foam stabilizing agent

Biomimetic synthesis of nanocrystalline hydroxyapatite from sharkskin collagen

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