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本帖最后由 topran 于 2010-3-12 00:43 编辑
有拍必回
"As a result of numerous consumer complaints of dizziness and nausea, Promofoods requested that eight million cans of tuna be returned for testing last year. Promofoods concluded that the cans did not, after all, contain chemicals that posed a health risk. This conclusion is based on the fact that the chemists from Promofoods tested samples of the recalled cans and found that, of the eight chemicals most commonly blamed for causing symptoms of dizziness and nausea, five were not found in any of the tested cans. The chemists did find that the three remaining suspected chemicals are naturally found in all other kinds of canned foods."
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In this artical , Promofoods claims that their product known as tuna can contains no health risk ,even though it has been complainted by plenty of consumer due to dizziness and nausea. To justify it conclusion , Promofoods points out that recalled sample cans only contain three suspected chemicals and these three is wildly existed in canned foods. However , based on such dubious evidence , this conclusion is unconvincing in following aspects .
First of all, the test study is based on the recalled cans, without further information to describe sample collected method , we can not know the sample for test can behalf all tuna cans . The possibility that the recalled cans is different batch of cans which cause dizziness and nausea can not be excluded. And through the article , we can not find any information about the size of sample size or other details , just based on the existed information , the test experiment is not reasonable enough to be trusted .
Second , even if we assume that the sample for test study was collected by reasonable method and the samples can represent the whole batches of product well. But through the article , we still know that there were three kinds of chemicals had been found in tuna can . Even though Promofoods claims that these three chemical were naturally found in all other canned food , there is no information to tell it is legal for other can food to contain these three chemicals .Maybe the other can food company was on the same track with Promofoods , maybe they were complained by consumer as well and recalled their product too. So the other food added these three chemicals in cans can not be the excuse for Promofoods to follow. And no information in this article point out the quantity of the usage for these three chemicals .It is possible that Promofood did not obey the limitation of usage amount and excessive usage could cause serious health risk like dizziness and nausea. Without any detail information , we can not be convinced by the result of study.
Last but not least , even if we ignore the above logic blemish , the conclusion can not stand firm and solid due to the rest 5 kinds of chemicals blaming for cause symptom of dizziness and nausea . From provided information ,we just know that these 5 kinds of chemicals not existed in the tested samples , but we can not rule out the possibility that they can be found out in the non-sample set . By this point , we can not accepted that the tuna can of Promofoods was free of health risky component .
To sum up , the conclusion that the Promofoods company was out of responsibility for the dizziness and nausea symptom complained by consumer is unpersuasive as it stands . To support this conclusion ,the Promofoods need to provide more detail information about sample collected method and test procedure , what’s more , they also need to give specific information about usage amount and legal item to explain that existence of three chemicals is reasonable. And rule out the possibility that the rest 5 chemical were contained by non-sample set. |
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