Sheikh Nazrul Islam

ORCID: 0000-0003-1622-8088
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Research Areas
  • Antioxidant Activity and Oxidative Stress
  • Phytochemicals and Antioxidant Activities
  • Seed and Plant Biochemistry
  • Child Nutrition and Water Access
  • Stress Responses and Cortisol
  • Natural Antidiabetic Agents Studies
  • Tryptophan and brain disorders
  • Vitamin C and Antioxidants Research
  • Maternal Mental Health During Pregnancy and Postpartum
  • Phytochemistry and biological activity of medicinal plants
  • Advances in Cucurbitaceae Research
  • Food Security and Health in Diverse Populations
  • Agricultural risk and resilience
  • Moringa oleifera research and applications
  • Epoxy Resin Curing Processes
  • Agricultural Practices and Plant Genetics
  • Medicinal Plants and Neuroprotection
  • Noise Effects and Management
  • Food Waste Reduction and Sustainability
  • Food Chemistry and Fat Analysis
  • Nigella sativa pharmacological applications
  • Diet, Metabolism, and Disease
  • COVID-19 Impact on Reproduction
  • Fish Biology and Ecology Studies
  • Free Radicals and Antioxidants

University of Dhaka
2000-2024

Curtin University Sarawak
2016-2019

New England Research (United States)
1998

Columbia University
1994

Abstract Momordica charantia and Ipomoea aquatica leaves are two green leafy vegetables in Bangladesh that commonly consumed considering their characteristic taste abundant availability nature. The aim of this study was to determine the available bioactive phenolic constituents as well total flavonoid content (TFC), tannin (TTC), (TPC), antioxidant activity (TAA) DPPH radical scavenging (IC 50 ) ethanolic extracts M. (MCE) I. (IAE). HPLC–DAD UV–visible spectrophotometer were used compounds...

10.1186/s43014-023-00173-w article EN cc-by Food Production Processing and Nutrition 2024-03-05

This paper examines the reliability and validity of several hypothesized indicators socioeconomic status for use in epidemiologic research, particularly studies child health less developed world. Population-based surveys disability were completed Bangladesh Pakistan using standard questionnaires designed to measure four domains household status: wealth, housing, parental education occupation. Test-retest data indicate moderate excellent most both countries. Loadings from factor analyses...

10.1016/0277-9536(94)90192-9 article EN cc-by-nc-nd Social Science & Medicine 1994-05-01

Abstract Hydrogenated diamond like Carbon (H-DLC) is a promising lubricious coating that attracted great deal of interest in recent years mainly because its outstanding tribological properties. In this study, the nano-mechanical and -tribological properties range H-DLC films were investigated. Specifically, four kinds coatings produced on Si substrates pure acetylene, methane, 25% methane + 75% hydrogen, 50% hydrogen discharge plasmas using plasma enhanced chemical vapour deposition (PECVD)...

10.1017/jmech.2016.106 article EN Journal of Mechanics 2016-10-28

Indigenous people in Bangladesh's Chittagong hill regions use Curcuma longa and Zingiber officinale flowers their traditional meals due to vibrant color, exquisite flavor, fragrant perfume. The induction time of soybean oil enriched with the ethanolic extract flower (CFE), (ZFE), butylated hydroxytoluene (BHT) was compared determine effect on oxidation stability. study also measured bioactive polyphenolic components, total flavonoid (TFC), tannin (TTC), phenolic (TPC), antioxidant activity...

10.1016/j.fufo.2024.100338 article EN cc-by-nc-nd Future Foods 2024-03-23

Nowadays, more attention has been paid on wild plants as new source of natural antioxidants. Therefore, methanolic extracts 10 traditionally consumed leafy vegetables Bangladesh were analyzed for their total phenolic content (TPC) and free radical scavenging activity. Folin-Ciocalteu method followed by spectrophotometric measurement was used to quantify the TPC selected vegetables. Free activity examined utilizing 1,1-diphenyl-2-picryl-hydrazyl (DPPH) assay. Different concentrations plant...

10.5219/1107 article EN cc-by Potravinarstvo Slovak Journal of Food Sciences 2019-05-04

Asthma, a very serious health condition, results in morbidity and mortality that disproportionately affect children living inner-city areas the United States. The National Cooperative Inner-City Asthma Study examined variety of factors related to pediatric asthma. This article describes substudy developed brief three-dimensional scale, Caretaker Expectations Regarding Management Pediatric Scale, assess expectations caretakers with asthma regarding management condition. Modest evidence about...

10.1093/swr/22.1.51 article EN Social Work Research 1998-03-01

Background: Phenolics and carotenoids are natural antioxidants, which provide health benefits protect against degenerative chronic diseases. Utilization identification of foods with a high content these have received greater attention nowadays. Objective: The present study reports the total phenolics (TPC) (TCC) contents thirty-two selected unconventional vegetables growing in Bangladesh. In addition, they were also analyzed for their antioxidant potentials. Methods: Folin-Ciocalteu...

10.2174/1573401315666191209095515 article EN Current Nutrition & Food Science 2019-12-09

The present study was aimed at evaluating mineral contents, B-vitamins (B1, B2, B3, B6), vitamin C, total carotenoids content and carotene composition of unconventional vegetables, comprising 7 leafy 4 non-leafy, growing in Bangladesh. Investigated vegetables were found to have varied amount minerals (0.04 ± 0.01 786.41 6.37 mg/100 g), (0.06 1.05 0.13 g) C (5.23 0.81 59.01 2.23 g). findings also revealed that the selected plant samples exhibited diverse β-carotene ranging from 106.26 5.32...

10.1080/14786419.2020.1849198 article EN Natural Product Research 2020-11-20

Background: Polyphenolic compounds are known to provide health benefits and protect against degenerative chronic diseases. Utilization identification of foods with a high content these gaining greater attention nowadays. Objective: The present study reports the total phenolic (TPC), polyphenolic composition antioxidant activity (DPPH, FRAP TEAC) 10 commonly consumed leafy vegetables growing in Bangladesh. Materials Methods: samples were collected from different locations Bangladesh mixed...

10.2174/2213240607999200421144940 article EN Current Chromatography 2020-04-22

Background: Carotenoids are natural plant pigments and precursors of vitamin A, which provide a health benefit, protect against chronic degenerative diseases, contribute to immune functions. Utilization identification foods with high content carotenoids received greater attention nowadays. Objective: The present study was aimed at evaluating total (TCC) carotene composition unconventional leafy vegetables growing in Bangladesh. Materials Methods: samples were collected from different...

10.2174/2213240607999200731010929 article EN Current Chromatography 2020-07-31

A new 2-quinolone alkaloid, iso-oligophyline (1), and two very unusual C34 terpenoids, proposed names ravespanol (2) ravespanone (3), along with known compounds, β-sitosterol (4), methyl linoleate (5), were isolated from the leaf extract of Ravenia spectabilis engl. Methyl constitutes first report isolation this species. We have already reported atanine (6), oligophyline (7), ravenoline (8), arborinine (9) plant. Based on nuclear magnetic resonance (NMR) spectroscopy mass spectrometric...

10.1016/j.heliyon.2024.e34508 article EN cc-by-nc-nd Heliyon 2024-07-01

Introduction: Oxidative stress refers to the excessive production of reactive oxygen species (ROS) in cells and tissues antioxidant system cannot be able neutralize them. Imbalance this protective mechanism can lead damage cellular molecules such as DNA, proteins, lipids. Antioxidants ascorbic acid (vitamin C), carotenoids, polyphenols, thiols, scavenge free radicals. Functional food Nutraceutical contains antioxidants that inhibit oxidation. The present study was undertaken explore burden...

10.15406/mojfpt.2024.12.00313 article EN MOJ Food Processing & Technology 2024-09-27

Acute respiratory infection is a major cause of death for under-5 children in Bangladesh. We aimed to analyze the effect immunonutritional status, healthcare factors, and lifestyle on incidence acute among taking individual-level contextual-level risk factors into consideration.

10.1177/2050312120940533 article EN cc-by-nc SAGE Open Medicine 2020-01-01

Orange Fleshed Sweet Potatoes (OFSPs) is an excellent nutrition sensitive function food. It contains dense amount of carotene and also rich in proximate nutrients. A wide number cultivars OFSPs has been developed worldwide, particularly sub-Saharan Africa Asia. In Bangladesh, sixteen have developed. Carotene content the surpasses all plant food carotene. good energy yielding The could, therefore, be a potential dietary approach to address vitamin deficiency for undernourished indigent people.

10.30574/wjarr.2021.12.3.0520 article EN cc-by-nc-sa World Journal of Advanced Research and Reviews 2021-12-30

ABSTRACT Major depressive disorder (MDD) is a serious psychiatric but there are no reliable risk assessment tools for this condition. The actual reason affecting depression still controversial. It assumed that the dysregulated cytokines produced due to hyperactivation of immune system in depression. We aimed evaluate possible alteration and role serum interleukin-1β (IL-1β) tumor necrosis factor-α (TNF-α) MDD patients. diagnostic statistical manual mental disorders, 5 th edition was used...

10.1101/2020.10.04.20206508 preprint EN cc-by-nc medRxiv (Cold Spring Harbor Laboratory) 2020-10-06

Hypoglycemic property of four nutraceuticals named - black cumin, garlic, methi and karela has been investigated on an alloxan induced diabetic rat model. Glibenclamide was used as positive control normal saline negative control. Serum glucose levels rats were estimated by Glucose Oxidase method using a kit, it 4.33 ± 0.43 mmol/L 8.27 0.45mmol/L respectively. The grouped into six, which then treated with the two controls. Treatment given orally everyday for 28 days. level analysed every 7...

10.3329/dujps.v6i2.684 article EN cc-by-nc-nd Dhaka University Journal of Pharmaceutical Sciences 1970-01-01

The study was carried out to determine the womenempowerment,their role in household food security of districts Mymensingh division Bangladesh. also emphasized explore influence women empowerment status on security, consumption pattern. A total 200 from four selected (Mymensingh, Sherpur,Netrokona,Jamalpur) were interviewed for study.Most participants are bangali (98%) ethnicity; and follower Islam religion (95%). When respondents classified according their occupation, most them found be...

10.37506/ijphrd.v12i3.16080 article EN cc-by-nc-nd Indian Journal of Public Health Research & Development 2021-06-03
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