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Articles by Md. Aminul Islam
Total Records ( 3 ) for Md. Aminul Islam
  Sudip Paul , Md. Sakib Hossen , E.M. Tanvir , Md. Aminul Islam , Rizwana Afroz , Istiyak Ahmmed , Moumoni Saha , Siew Hua Gan and Md. Ibrahim Khalil
  In this study, the antioxidant potential of Citrus macroptera fruit was compared between its pulp (CMPU) and peel (CMPE). The biochemical effects of an ethanol extract of CMPU were investigated on major organs, including the liver, kidney and pancreas. Male wistar rats (n = 24) were randomly divided into four groups, including Group I (control), Group II (250 mg kg–1), Group III (500 mg kg–1) and Group IV (1000 mg kg–1) and they were administered the extract for 28 days. The CMPE contained higher amounts of total polyphenols (620.91±7.75 mg), flavonoids (508.33±5.49 mg), tannins (585.99±4.46 mg) and protein (4.00±0.14 g) compared to the pulp (291.06±10.14, 145.02±0.36, 526.08±3.32 mg/100 g and 2.89±0.32 g/100 g, respectively). Similarly, CMPE also exhibited higher 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) scavenging activity and Ferric Reducing Antioxidant Power (FRAP) values than CMPU. However, the ascorbic acid content was higher in CMPU (120.83±0.0019 mg/100 g) than CMPE. In vivo studies confirmed that CMPU possessed a significant lipid lowering activity that occurred in a dose dependent manner and that it caused beneficial changes in several other biochemical parameters. Additionally, a significant diminution of lipid peroxidation in liver and kidney tissues was observed. It was concluded that C. macroptera possesses high antioxidant potential and is relatively safe. Its protective effects against various chronic diseases that are associated with oxidative stress should be further investigated.
  Md. Habibullah Bahar , Md. Aminul Islam , Md. Abdul Mannan and Md. Jashim Uddin
  The effect of five different botanical extracts-tobacco, neem, garlic, eucalyptus and mehogony-on aphid population on yard long bean was assessed in field, net-house and laboratory conditions at Khulna University, Bangladesh. Aphids were deliberately exposed to the above botanical extracts and then the numbers of live and dead aphids were counted. The botanical extracts showed significant effect on the numbers of live aphids. Tobacco leaf extract had inflicted consistently the maximum level of aphid mortality; about 74-90% of the aphids were killed by the treatment in different conditions. Killing about 53-64% of the aphids on treated plants, the extract of neem followed the extract of tobacco. Garlic extract showed similar performance to that of neem. Eucalyptus and mehogany reduced aphid population but differed among the field, net-house and laboratory conditions. Contrasting to the case with aphid numbers, the botanical extracts did not affect the most common and recognized predators, ladybird beetles in the laboratory. Botanical extracts had significant effects on yield of yard long beans. Tobacco extract treated plants produced the greatest number, amount and biomass of yard-long beans; the treatment was followed by neem and garlic. The latter two treatments did not show significant effect.
  Mohammad Zahir Raihan , Rosni Bakar and Md. Aminul Islam
  The main purpose of this study is to examine the importance of CSR education in Bangladesh. The attitudes of the selected teachers, students and bankers as to CSR education, factors influencing CSR principles and the facilitators for CSR initiative, the major challenges involved in CSR education and the probable measures in order to address the challenges have been investigated. The study was qualitative in nature. Hence, a survey on 90 respondents; 30 teachers, 30 students and 30 bankers were selectedto collect the data. Findings of the study confirmed that CSR education is of dire necessity especially for BBA and MBA students at university and university college levels. It is found that the attitudes of all the respondents have been positive towards CSR education. The study has also identified factors influencing CSR principles and the facilitators for CSR education initiatives such as responsiveness and involvement of the community, accountability of the community members in maintaining and continuing the interventions initiated by the academic agency is essential. Industry partners also play a vital role in achieving the community efforts. Collaborative partners help in mobilizing financial and other resources for the planned and organized CSR initiatives. The study has identified some important challenges involved in CSR education and probable suggestions to address the same. Therefore, it can be concluded that the findings of the study may be useful to the decision makers, policy makers and academicians and researchers in their respective areas.
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