"The samples of Knorr Soupy Noodles, Horlicks Foodles Noodles and Ching's Hot Garlic Instant Noodles were picked up from a mall in the city in May last year for testing and its report was received about a fortnight ago," the Food Safety Officer of Barabanki district, Sanjay Singh, said.
The samples were sent to government Food Analysis Lab in Lucknow where it was found that "total ash of the tastemaker exceeds the maximum prescribed limits ... Hence the samples are sub-standard," Singh said.
Notices were sent to all the three companies a week ago giving them a month's time to make an appeal, he said.
No immediate comments were received from the companies.
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To a question, Singh said the report did not mention the health hazards caused by ash content higher than prescribed limits.
Interestingly, the UP Food Safety Department in May last had found high lead content and presence of taste enhancer monosodium glutamate (MSG) in samples of Maggi noodles.
Nestle had then pulled the product off shelves.
The instant noodle brand made a comeback in November after passing tests at three government labs, after which the Bombay High Court removed the ban.