Vikash Chandra Roy

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Verified

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• Ph.D. in Food Science and Technology
• Professor (Associate) at Hajee Mohammad Danesh Science and Technology University

This study focused on the valorization of the roots of Saccharina japonica (brown algae) using subcritical water extraction (SSE) and hot water extraction (SHW). The quantities of bioactive compounds from both extracts were also analyzed. The antioxidant and α-glucosidase inhibitory activities of these extracts were evaluated under various extracti...

The study aimed to identify the optimal subcritical water extraction (SWE) parameters for phlorotannin (marine polyphenols) from Ecklonia stolonifera using response surface methodology (RSM). The reaction temperature, time, and the solid-to-solvent ratio were optimized, and the best extraction conditions were 198.5°C, 36.21 min, and 12.23 g/mL, res...

This study focused on extracting anthocyanin (AC) from purple sweet potato (PSP; Pyrus communis (L.) Lam) using ultrasound-assisted natural deep eutectic solvents (NADES) and incorporating them into biodegradable smart packaging. The effects of water content (40–60%), ultrasound power (40–60%), and extraction time (15–45 min) were optimized using t...

This paper presents an eco-friendly approach to recovering phospholipids (PLs) from the Conger myriaster head (CMH) via supercritical carbon dioxide (SC–CO2) extraction using ethanol as a cosolvent. The lipidomic profile and biological activities of the extracted PLs were investigated. Purity assessments, PL composition analysis, and fatty acid pro...

Marine organisms are an important source of bioactive compounds, among which marine carotenoids have garnered attention for their health benefits. Hundreds of carotenoids are extracted from different natural biomass; among them marine carotenoids always have special appeal due to their unique properties. This review discusses recent literature on m...

Environmental pollution is a significant problem due to the improper disposal of plastics and shrimp shells outdoors. Therefore, the synthesis of biodegradable film from waste materials is highly important. The novelty of this research lies in the extraction of protein hydrolysates and chitosan from shrimp shells, as well as the fabrication of biod...

Though gelatin emulsifying properties have been intensively studied, how low-molecular-weight (LMW) fish gelatin affects astaxanthin (AST)-loaded fish oil emulsion stability remains elusive. In this study, subcritical water hydrolysis (SWH)-modified LMW fish gelatin (SWHG) was produced from 110 °C to 180 °C and used to enhance the AST steadiness in...

This study aimed at the consecutive extraction of neutral and polar lipids (phospholipids) from skipjack tuna (Katsuwonus pelamis) byproducts using an entrainer (ethanol) combination of green extraction system supercritical carbon dioxide. The head, viscera, and skin of tuna fish were subjected to extraction. The highest proportion of lipids was ob...

This study assessed the effectiveness of fatty acid methyl esters (FAME) derived from skipjack tuna (Katsuwonus pelamis) head and viscera oil as a potential antimicrobial agent. The oil was extracted using lipase esterification and Soxhlet extraction methods. The functional pork sausage was then prepared with sodium alginate embedded with fish oil...

This work aims to prepare the functional extracts from Undaria pinnatifida sporophyll using a consecutive green extraction methodology known as supercritical carbon dioxide (SC-CO2) along with subcritical water extraction (SWE). For the SC-CO2 extraction, a variable pressure from 20 to 30 MPa was applied at a constant temperature of 50 °C and compa...

In this study, the smart food packaging films from subcritical water-modified native oat starch (NOS) were developed using betalain from beetroot as a pH biosensor was studied. NOS was modified by SCW at varying temperatures; henceforth modified oats starch (MOS) was designated as MOS@115, MOS@130, MOS@145, MOS@160, MOS@175, and MOS@190. FTIR, XRD,...

This research aimed to valorize brewery spent grain (BSG) using subcritical water hydrolysis (SWH) modified by six different natural deep eutectic solvents (DES) and determining their bipotentialities. DES-induced SWH BSG hydrolysates showed the highest sugar content 46.63 ± 2.10 mg glucose, protein 228.08 ± 5.52 mg BSA, total flavonoids 22.87 ± 0....

Fishery production is exponentially growing, and its by-products negatively impact industries' economic and environmental status. The large amount of bioactive micro-and macromolecules in fishery by-products, including lipids, proteins, peptides, amino acids, vitamins, carotenoids, enzymes, collagen, gelatin, chitin, chitosan, and fucoidan, need to...

Bioactive compounds were extracted from the brown seaweed Ecklonia stolonifera using subcritical water hydrolysis, a green extraction technique to valorize raw biomass. The reaction temperature for the hydrolysis ranged between 120 °C and 220 °C and the products were compared with those obtained by methanol extraction. Reaction temperature played a...

This study aimed to apply protein-rich red algal (Pyropia yezoensis) hydrolysates to formulate functional food using spray drying techniques. Four wall materials (WMs), namely gelatin, whey protein, starch, and dextrin, were used to observe the physicochemical properties and comparative efficiency in spray drying powders (SDP) formation. The effici...

In this study, we characterized the bioactive properties of three important brown seaweed species, Sargassum thunbergii, Undaria pinnatifida, and Saccharina japonica, by subcritical water extraction (SWE), as these species are well known for their beneficial health effects. Their physiochemical properties, including potential antioxidant, antihyper...

Supercritical carbon dioxide (SC-CO2) extraction and subcritical water hydrolysis were utilized to extract the polyunsaturated fatty acid (PUFA) enriched edible oils and amino acid rich hydrolysates from head and viscera of yellow corvina (YC). The omega-3 fatty acid content in the SC-CO2 extracted head oil (SHO) and viscera oil (SVO) was 7.62% and...

Gelatin/carrageenan (Ge/Car) active packaging films incorporated with turmeric essential oil (TEO) encapsulated in zein nanoparticles (ZNP) were developed. The efficacy of these active packaging films and their antimicrobial properties were also investigated to ensure their practical application. Three different types of nanocomposite films (Ge/Car...

Oligochitosan (OC) from shrimp shells derived chitosan was prepared using subcritical water hydrolysis (SWH) and their physicochemical and bio-functional properties were observed in this study. Reaction time of SWH was varied from 15 min to 60 min and the temperature from 140 °C to 170 °C. Gel permeation chromatography (GPC) confirmed that the mole...

Peoples can readily and affordably obtain small indigenous fish species (SIS), with a maximum length of 25 cm, that can be found in niches in small bodies of water (such as canals, ponds, wetlands, streams, etc.). SIS contribute valuable and significant macro-and micronutrients in Bang-ladesh. SIS are excellent suppliers of vitamins and minerals. T...

Among various types children's health challenges, Neuroblastoma is the most serious solid neoplasm forming outside the cranium. S. niphonius is a valuable edible fish that has been widely used for a meal. In this study, we obtained phospholipid extract from the bone of S. niphonius with the supercritical CO2 extraction method and tested anticancer...

Among various types children’s health challenges, Neuroblastoma is the most serious solid neoplasm forming outside the cranium. S. niphonius is a valuable edible fish that has been widely used for a meal. In this study, we obtained phospholipid extract from the bone of S. niphonius with the supercritical CO 2 extraction method and tested anticancer...

This study investigated the effect of sequential extraction techniques and pretreatment methods in enhancing the recovery of high‐value products from spent coffee ground. Supercritical carbon dioxide (SC‐CO2) deoiling was performed to recover non‐polar lipids, and subcritical water (SCW) hydrolysis of deoiled spent coffee ground (SCG) was conducted...

Green extraction methodologies using supercritical carbon dioxide (SC-CO2) and subcritical water were used to valorize Conger myriaster skin (CMS). The omega-3 fatty acid content in CMS oil extracted using SC-CO2 was 18.62 ± 0.08%, and vitamin A, D, E, and K2 contents were 467.38 ± 0.46 μg/100 g, 8.31 ± 0.02 mg/100 g, 143.42 ± 4.61 mg/100 g, and 1....

The present work aims to prepare and stabilize quercetin (Q) loaded zein colloidal nanoparticles using κ-carrageenan (KC) as a stabilizer. Antisolvent precipitation method was used to fabricate the zein-KC colloidal nanoparticles at pH 5.0. The findings revealed that the newly prepared Q-loaded zein-KC complex colloidal particles had spherical shap...

Successful modification of chitosan (CS) film using magnetic-silica nanocomposite to encapsulate turmeric essential oil (TEO) obtained by super critical CO2 extraction for enhanced preservation of surimi was performed. TEO exhibited antioxidant and antibacterial activities against Bacillus cereus. The core magnetic nanoparticles (MNPs) were capped...

Japanese Spanish mackerel (JSM) (Scomberomorus niphonius) is a marine fish species containing health-beneficial polyunsaturated fatty acids (PUFAs). In the present study, the quality of JSM by-products oils extracted by supercritical CO2 (SC-CO2) and organic solvent extraction was compared in terms of physico-chemical properties of the oils. Eicosa...

The present investigation was carried out to determine the proximate composition of shidal and to learn more about the traditional fermenting process. Shidal is a fermented fisheries product made from small indigenous species. Darkina (Esomus danricus) and punti (Puntius sophore) were used for shidal preparation. Fresh fish samples were collected,...

In this study, polysaccharides from oyster mushrooms (Pleurotus ostreatus) were extracted using subcritical water (SW) from 120 °C to 200 °C. Polysaccharides obtained at the selected condition that gave the highest yield of the polymer were used for chemical modification. Results showed that SW at 180 °C recovered the highest amount of polysacchari...

This study investigates the interaction of fish oil-protein and phenolic-rich green tea extract on the physico-chemical quality, lipid oxidation and bacteriostatic properties of different treatments of surimi gel incorporated with fish oil (FO) and Pseuderanthemum palatiferum freeze-dried powder (PFP). The incorporation of 3–6% FO, and 100–200 mg P...

The cover image is based on our original article 'Edible oil extracted from anchovies using supercritical CO2: Availability of fat-soluble vitamins and comparison with commercial oils' https://doi.org/10.1111/jfpp.15441.

This study investigated the in vitro bioactivities of extracts obtained from viscera, spines, shells, and gonads of Stomopneustes variolaris using subcritical water extraction (SWE) at 110°C, 150°C, 190°C, and 230°C and Soxhlet extraction. The highest amounts of phenolics (22.68±0.05 mg GAE/g), flavonoids (27.11±0.10 mg RE/g), and proteins (40.25±0...

In this study, oil was extracted from anchovies using supercritical carbon dioxide (SC‐CO2). Additionally, a comparative experiment was conducted with organic solvent‐extracted anchovy oil and commercial fish oil. Omega‐3 fatty acid contents were found to be 32.10±0.45 to 32.15±0.38% for anchovy fish oil. The results of the acid value and the perox...

The following are available online at www.mdpi.com/1660-3397/19/3/137/s1, Table S1. Proximate composition of lyophilized Atrina pectinata powder; Figure S1. Schematic diagram of laboratory scale subcritical water hydrolysis system used in this experiment; Figure S2. Chromatogram of total amino acids from the raw A. pectinata powder; Figure S3. Chro...

The recovery of amino acids and other important bioactive compounds from the comb penshell (Atrina pectinata) using subcritical water hydrolysis was performed. A wide range of extraction temperatures from 140 to 290 °C was used to evaluate the release of proteins and amino acids. The amount of crude protein was the highest (36.14 ± 1.39 mg bovine s...

The present work focuses on astaxanthin (ASX) extraction from shrimp wastes using ultrasound-assisted (UAE) natural deep eutectic solvents (NaDESs) and the utilization of ASX-rich NaDES extracts (ASX-NaDESs) for preparing biodegradable active packaging. The effects of hydrogen bond donor (HBD)/ acceptor (HBA) molar ratio, ultrasound amplitude, extr...

Sea urchin gonads are a high-priced delicacy across Southeast Asia. These gonads make up a small portion of the total body mass of sea urchins. The remaining parts, like the shells, spines and viscera are discarded as waste. Recent research has used conventional extraction techniques to demonstrate the bioactive potential of these sea urchin byprod...

Every year, a large amount of by‐products produced by fish processing industries is discarded or used for less profitable purposes. In this study, we will describe a technique for producing high‐quality, edible oil from the viscera of yellowtail fish (Seriola quinqueradiata) which can be served as a source of omega polyunsaturated fatty acids. Yell...

In the present study, astaxanthin (ASX)-enriched oil extracted from Tiger shrimp waste, Peneaus monodon, and Japanese Spanish mackerel, Scomberomous niphonius, skin in concurrent extraction by supercritical carbon dioxide and quality properties of the oil was evaluated. The extraction condition was optimized by response surface methodology to obtai...

The research work was conducted to assess the incidence of Salmonella and Escherichia coli (E. coli) contamination in different fish farms and fish markets of Dinajpur district of Bangladesh. The level of incidence of Salmonella contamination was greater in scum samples (93.8%) and for E. coli the higher contamination found in water samples (81.3%)...

Every year a large amount of by-products produced by fish processing industries are dumped or used for less productive purposes. This study prescribe a technique for production of good quality edible oil from yellowtail (Seriola quinqueradiata) viscera to valuate this wastes and also serve as a source for omega3 polyunsaturated fatty acids. Several...

Efficacy of turmeric (Curcuma longa) and neem (Azadirachta indica) or repelling dry fish insects (Dermestes sp. adult and larva) was investigated on the basis of their repellency rate, storage quality, sensory attributes of turmeric and neem treated dry fish and their cooked products. Pesticides prepared from turmeric and neem, were used in the for...

This objectives of the study was conducted on various quality attributes of three important fish species viz. Boal(Wallago attu), Chital(Notopteruschitala), Ayr(Mystus aor).The mean moisture changes during fresh and frozen stored condition of three native species-Boal, Chital, Ayr was 79 ±0.45, 78 ± 0.12, 77 ± 0.34 and 75 ± 1.01, 73 ± 0.72, 74 ± 0....

p>A study was conducted to determine the level of contamination by indicator organisms ( Salmonella and Escherichia coli ) in shrimp ( Penaeus monodon ) farms, depots and processing plants of Cox’s Bazar, Khulna, Bagerhat and Satkhira districts of Bangladesh using conventional technique of bacterial isolation and identification. The results of this...

Traditional fish drying is affected by various problems. Blowfly infestation during drying period and insect infestation during storage period are the main problems associated with dried fish. In open sunlight five treatments T1-T5 of Bombay duck were produced and studied. Storage period was three months in two different condition polythene bag and...

Traditional fish drying is affected by various problems. Blowfly infestation during drying period and insect infestation during storage period are the main problems associated with dried fish. In open sunlight five treatments T1-T5 of Bombay duck were produced and studied. Storage period was three months in two different condition polythene bag and...

A study was conducted to determine the efficacy and performance of three most commonly drugs of Eon Animal Health Products Ltd, used almost all over in Bangladesh. The experiment was done in a polluted and derelict pond water situated in Bangladesh Agricultural University, Mymensingh. Three aqua drug such as JV Zeolite, Oxymax and Bio aqua-50 were...

The Study was conducted on the effects of antibiotic on bacterial flora under laboratory condition. Oxytetracycline (OTC), the most widely used antibiotic, was fed to the Mrigal (average body weight 25g) at the rate of 2g/kg through fish diet and bacterial content was estimated for a period of 20days.Total 8 aquariums were used, where 3 aquariums f...

ABSTRACT: The Study was conducted on the effects of antibiotic on bacterial flora under laboratory condition. Oxytetracycline (OTC), the most widely used antibiotic, was fed to the Mrigal (average body weight 25g) at the rate of 2g/kg through fish diet and bacterial content was estimated for a period of 20days.Total 8 aquariums were used, where...

Abstract :Effects of salt, chili and turmeric powder on the production of high quality dried fish products from Bombay duck (Harpodon nehereus) under open sun drying was investigated. Five different types of dried products (T 1 -T 5) were produced and studied. Moisture content in T 3 decreased more rapidly to below 16% within 28 hrs of drying compa...

Effects of salt, chili and turmeric powder on the production of high quality dried fish products from Bombay duck (Harpodon nehereus) under open sun drying was investigated. Five different types of dried products (T1-T5) were produced and studied. Moisture content in T3 decreased more rapidly to below 16% within 28 hrs of drying compared to those t...