نوع مقاله: مقاله پژوهشی
نویسندگان
ندارد
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسنده [English]
Technological achievements of today’s world have improved human being’s comfort while
depreciated their tranquility. Apart from the nutritious complications which are currently
concerned by the academic associations, another problem dealt with canned beverages is their
quality control in time of exitting the production saloon and then packaging in the factory
.through this phase, a safe product may be contaminated by microbial , physical and even
chemical risks . These pollutants might enter consumers’ bodies in time of consumption. within
this research, 150 canned fizzy beverages and metal can fruit, juices from the city Tehran were
collected; (25 ones collected out of the supermarkets having fridge, 25 out of off-road
wholesellers, 50 out of the manufacturing plants and 50 out of the restaurants inside Tehran.)
these samples were moved to the food microbiological laboratory for the microbial test and total
count.
The survey was done in 2 ways. First. The smeared swap was moved to the broth areas. In the
second approach, the swap was taken to the broth inside.tripticase media And after 24-48 hours
of incubation, 0.1ml of the sample was spread on the area. The numbers of fully grown colonies
inside the sealed cans of fruit juices and fizzy beverages after the incubation were as follow : 4
colonies before opening the cans , 6 colonies on the edges of cans after consumption and 7
colonies on the edge of the can after consumption which totally demonstrate lack of a biding by
the safety tips to the manufactured product after it gets out of the factory leading to poisoning
the consumer after all .
In the second phase of the research, the nano-antibacterial stopples to protect 25 other canned
beverages added to the final product from the last factory’s packaging were used. They sensibly
reduced the microbial load and made it reach to zero.
کلیدواژهها [English]
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