Shafi Ahmed

ORCID: 0000-0002-9217-8871
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Research Areas
  • Phytochemicals and Antioxidant Activities
  • Microbial Inactivation Methods
  • Essential Oils and Antimicrobial Activity
  • Advanced Chemical Sensor Technologies
  • Microencapsulation and Drying Processes
  • Aquaculture Nutrition and Growth
  • Heavy Metals in Plants
  • Listeria monocytogenes in Food Safety
  • Food Drying and Modeling
  • Pineapple and bromelain studies
  • Pesticide Residue Analysis and Safety
  • Postharvest Quality and Shelf Life Management
  • Proteins in Food Systems
  • Food Science and Nutritional Studies
  • Manufacturing Process and Optimization
  • Identification and Quantification in Food
  • Vibrio bacteria research studies
  • Heavy metals in environment
  • Nanocomposite Films for Food Packaging
  • Medicinal Plants and Neuroprotection
  • Garlic and Onion Studies
  • Asthma and respiratory diseases
  • Cassava research and cyanide
  • Livestock and Poultry Management
  • Reproductive biology and impacts on aquatic species

Tokyo University of Marine Science and Technology
2022-2024

Shahjalal University of Science and Technology
2014-2021

Bangladesh Livestock Research Institute
2012-2016

Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir
2013-2014

Engineering Systems (United States)
2005

University of Khartoum
1996

Shrimp and Crab, important sources of protein, are currently being adversely affected by the rising industrialization, which has led to higher levels heavy metals. The goal this study was evaluate health risks contamination associated with nine metals (Cd, Pb, Cu, Cr, Zn, Ni, As, Al, Fe) in two species shrimp (Macrobrachium rosenbergii Metapenaeus monoceros) one crab (Scylla serrata) that were collected from Khulna, Satkhira, Bagerhat areas Bangladesh. Inductively coupled plasma-optical...

10.1016/j.toxrep.2023.05.001 article EN cc-by-nc-nd Toxicology Reports 2023-01-01

This study aimed to investigate the effects of combined ultrasound and osmotic pretreatment conditions on drying kinetics antioxidant properties, such as total phenolic content (TPC), flavonoid (TFC), vitamin C content, DPPH radical scavenging activity, dried Citrus macroptera (Satkara) fruits. The fruit slices were immersed in 10% aqueous solutions sucrose (S), glucose (G), fructose (F) followed by an treatment (40 kHz) for 10, 20, or 30 min. samples then a convective oven at 50, 60, 70 °C...

10.3390/pr13020384 article EN Processes 2025-01-31

Marine phospholipids (PLs) rich in ω-3 polyunsaturated fatty acids (PUFAs) have drawn keen interest recently among the researchers and consumers, could be assumed as amazing compounds for pharmacological roles. Due to containing PUFAs, marine PLs are highly prone oxidation conventional extractions accomplished by incorporation of organic solvents, exposure atmospheric oxygen, high temperature. Considering this, supercritical carbon dioxide (SC-CO2) extraction process is recommended many...

10.1016/j.jff.2021.104448 article EN cc-by-nc-nd Journal of Functional Foods 2021-03-27

Recently, the demand for natural antioxidants in food manufacturing has increased significantly because of possible toxicity synthetic antioxidants. In this context, research work was performed to evaluate potentiality seed (seed with kernel) and pulp (edible portion: peel) Syzygium claviflorum serve as The free radical scavenging capacity S. extracts evaluated by 2,2′-azino-bis (3-ethylbenzothiazolin)-6-sulfonic acid (ABTS), 1,1-Diphenyl-2-picrylhydrazyl (DPPH) assays. DPPH ABTS assays...

10.1016/j.jafr.2021.100203 article EN cc-by-nc-nd Journal of Agriculture and Food Research 2021-08-30

Consuming vegetables is linked to health benefits. Onion flower stalk (OFS) a green vegetable with mild onion flavor and widely consumed in South Asia. The objectives of this study were evaluate understand the effect boiling time (5, 10, 15, 20 minutes at 100°C) on physicochemical, bioactive compounds, antioxidant activity OFS. After boiling, moisture content pH increased, whereas total soluble solids, water activity, titratable acidity, ascorbic acid decreased increasing time. fresh OFS was...

10.1016/j.jafr.2024.101219 article EN cc-by-nc-nd Journal of Agriculture and Food Research 2024-05-20

Abstract This paper reports the effects of four popular cooking methods viz. grilling, boiling, frying, and microwaving on proximate nutritional compositions freshwater mud eel (FWME) muscle. The moisture content raw FWME muscle was 74.45%, which similar in boiled products but lower grilled, fried, microwaved ( p ≤ .05). protein cooked muscles varied between 14.49% 21.28%. There were found 20 different fatty acids palmitic acid most abundant one with an amount 26.51%–29.70% muscles....

10.1002/fsn3.1920 article EN cc-by Food Science & Nutrition 2020-10-05

People in Bangladesh are traditionally used to consume mainly black tea. However, some tea manufacturing companies now producing green tea, though a small scale. To create new knowledge as well awareness about the consumption of present study was carried out compare and available based on their bioactive compounds antioxidant activity. A total eight brands two were bought from supermarkets. Total phenolics, tannin, flavonoids, caffeine content measured compounds, activity evaluated by using...

10.26656/fr.2017.5(3).491 article EN cc-by Food Research 2021-05-16

In present study, fruit juice has been produced in different ratio of pineapple and orange juice. Juices were pasteurized at 97oC for 5 mins stored 35 days PET bottles refrigerated temperature. The TSS pH the types found range 7.73 to 8.53 4.33 4.53 respectively. Maximum acidity (0.785%) vitamin C (37.1 mg/100 ml) sample A (in a 1:1). Aerobic plate count was within (92 x 106 233x 106) cfu/ml. blends subjected chemical sensory evaluation one week interval five weeks storage time. analysis...

10.3329/jesnr.v7i1.22175 article EN Journal of Environmental Science and Natural Resources 2015-02-12

The risk of degenerative diseases decreases with the consumption high antioxidant containing fruits. This study aimed to analyze proximate composition and activity pulp seed Syzygium cumini. Proximate was determined by following AOAC method. Minerals heavy metals were analyzed using a flame photometer an atomic absorption spectrometer. In-vitro evaluated phosphomolybdenum, ferrous ion chelating ability assay reducing power methods. In analysis contained significantly (p<0.05) greater...

10.26656/fr.2017.4(5).162 article EN cc-by Food Research 2020-06-16

Random amplified polymorphism DNA (RAPD) technique was applied to detect genetic similarity between seven local chicken strains selected for eggs and meat production in Bangladesh. Conservation improvement strategies ought be based on proper characterization association with phenotypic characterization. White Leghorn, Rock, Rhode Island Red, Barred Plymouth Rock fall under recognized strain Hilly, Deshi Necked Neck native bird group. Based four oligonucleotide primers, the eggproducing...

10.3329/jbau.v9i2.10989 article EN Journal of the Bangladesh Agricultural University 2012-06-27

Keropok lekor a fish-based sausage is popular traditional food item in Terengganu state, Malaysia. This study aimed to develop new flavor and taste of keropok lekor. Common spices such as cumin, coriander, cinnamon, cardamom, bay leaf, nutmeg, clove, onion, ginger, garlic were used A total 5 samples, including two original three developed samples prepared. also evaluated the proximate composition raw (Original developed). The results analysis showed significant difference (p<0.05) all...

10.26656/fr.2017.3(6).050 article EN cc-by Food Research 2019-05-05

A total 20 (sixteen female and four male) growing rabbits aged 120 days have been distributed at each farmer’s level in 5 location of Bangladesh; F1 (Dhaka-Pollobi), F2 (Savar-Parbotinagor), F3 (Magura-Boralidhaho), F4 (Magura-Pannandualli), F5 (Magura-Radhanagor) to know the production response cost effectiveness under intensive rural condition. The were reared their own arrangement. Age sexual maturity, age first kidding, percentage does kidded, gestation period, litter size, weaning...

10.3329/bjlr.v19i1-2.26432 article EN Bangladesh Journal of Livestock Research 2016-01-21

Trichogramma cacoeciae Marchal and T. embryophagum Hartig were cold stored (6°C) in their pupal stages for 75 days. Biological parameters like per cent emergence, parasitism longevity of F 1 progeny both the species studied at an interval 5 days compared with untreated control. Negative correlations emergence (r= -0.93 -0.94), -0.88 r= -0.83) -0.89 -0.73) observed respectively. Overall found better statistically significant than . Regression model each parameter has also been established....

10.18311/jbc/2014/14946 article EN Journal of Biological Control 2014-09-01
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