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Articles by Amit Kumar
Total Records ( 3 ) for Amit Kumar
  Amit Kumar , Richa Kaushik , Ekta Varshney , Anjana Kashyap and Manoj Kumar Kashyap
  The present study was designed to a systematic screening for the potential isolates of P. chrysogenum from Indian soils (Haridwar and Dehradun districts of Uttaranchal state) and their antibacterial activity (quantitative and qualitative analysis). Total 329 soil isolates of P. chrysogenum were isolated from 120 collected soil samples (Agricultural, Garden and Road soil) from Haridwar (40.12%) and Dehradun (59.87%) districts during the months of May-June and September-October, 2002. All P. chrysogenum soil isolates showed remarkable antibacterial activity against S. epidermidis (MTCC-435) as test strain. Besides this penicillin G production by P. chrysogenum isolates was found with a total positivity from Haridwar (87.39%) and Dehradun (89.78%). Finally, these isolates were confirmed for penicillin G production by HPLC. We observed that agricultural soil is a major source for potential isolates of P. chrysogenum as compared to garden and road soils.
  Anu Rahal , Mahima , Amit Kumar Verma , Amit Kumar , Ruchi Tiwari , Sanjay Kapoor , Sandip Chakraborty and Kuldeep Dhama
  At present, almost every third person in the society is under stress and having chronic disorders like diabetes, arthritis, allergy, cardiovascular disease, fatigue and even cancer. Recently, there is decline in the physical and mental capabilities along with the social values. So this certainly should raise the alarms as to why such deterioration is taking place in the society or what are the changes in the lifestyle that might have a role direct/indirect in evolution of such changes? Vegetable is an immense store of active chemical compounds and considered as the cheapest and most easily available sources of carbohydrate, fiber, proteins, vitamins, minerals and amino acids. The intake of green and leafy vegetables lowers the risk of chronic diseases, cardiovascular diseases, anemia, cancer, oxidative stress, diabetes, weight gain etc. In recent time, vegetables have also been identified as safe and economic expression system for producing the recombinant proteins including the vaccines against many infectious diseases like hepatitis B, malaria, rotavirus, HIV, Helicobacter pylori, pestedes petits ruminants etc. However, besides the beneficial effect, contaminated and raw vegetables harbors pesticide residues and many pathogenic microbes viz., norovirus, Salmonella, E. coli, Shigella, Listeria monocytogens and also prove to be an excellent source of disease outbreaks. The present review highlights the phytonutrients and neutraceuticals in fruits and vegetables; their medicinal and health benefits for humans and their domestic as well as companion animals along with their fruitful practical applications and perspectives like bioreactor for producing vaccine along with the methods that can increase their nutritional benefits.
  Amit Kumar , Richa Kaushik , Anjana Kashyap and Manoj Kumar Kashyap
  The present study designed to investigate the antibacterial activity of honey obtained from different state of India. A total of 10 honey samples (five from Uttaranchal state and five from Uttar Pradesh state) were investigated for their antibacterial activity against antibiotic resistant bacterial isolates of S. epidermidis and E. coli using the disc diffusion method. Marked variations were observed in the antibacterial activity of different sample of honey. Three (60%) of the five Uttaranchal samples and two (40%) of the five Uttar Pradesh samples showed excellent antibacterial activity against gram-positive and gram-negative bacteria. Both Uttaranchal state and Uttar Pradesh state honey samples possess in vitro antibacterial activity against antibiotic resistant isolates of S. epidermidis and E. coli bacteria at 400 uL/disc quantity of 60% concentration (v/v).
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