Milk is an ideal food for all age groups. The current study was carried out to identify the microorganisms to assess the raw milk quality and the antibiotic resistance of those identified micro-organisms. Five raw milk samples along with two high treatment (UHT) milk samples from different locations of Noakhali district of Bangladesh were analysed. Bacterial isolation was performed by Nutrient Agar (NA) and MacConkey (MCA), Eiosin Methylene Blue (EMB) and Genital menital salt agar (GMSA). The isolates were then identified by Kliger’s Iron Agar (KIA) test, Motility Indole Urease (MIU) test, Catalase and Oxidase tests. Antibiotics resistance tests were done for 13 different antibiotics. Among all these samples, Maijdee Bazar (S4) contained the highest load as 1.87×106 and the UHT samples contained no bacterial contamination. E. coli covered 47.05% whereas Listeria, Bacillus and Yersinia were in the same percentage as 5.88% among all isolates. Salmonella and Staphylococcus were 23.53% and 11.76%, respectively. Listeria and Salmonella were resistant to five different antibiotics by 46.15% and 38.46% of multiple antibiotic resistance index (MRI), correspondingly. However, E. coli and Yersinia were resistant to three antibiotics namely, Rifampcin (RIF), Cefotaxime (CTX), Amoxycillin (AMX) by about 23% as MRI percentage. Bacillus and Staphylococcus both were resistant to Cefepime (CPM) by 7.69% of MRI. Hence, it can be concluded that Rifampcin and Cefepime were most common antibiotics which were resisted by most of the isolates. Therefore, hygiene aspect of these milk sources needs to be taken into consideration with high priority. Also, the antibiotics which are resisted by different organisms will be detrimental for public health aspects.
According to the Food and Agriculture Organization, mango represents 52% of global tropical fruit trade (Altendorf, 2019). Among Asian countries, India is one of the top mango producers, contributing 38% of global mango production. In Malaysia, mango production has increased up to 30% during 2012-2017 (Altendorf, 2019).After using the fruit flesh for jam, jelly, or juices, mango seeds are generally disposed of as waste (Jahurul, et al., 2014b). Depending on the variety, the mango kernel comprises 10%-25% of the whole fruit's weight and 45%-75% of the seed (Abdalla et al., 2007a).
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