doubtful ingredient on food :

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► http://www.muslimconsumergroup.com/e-numbers_list.html?panna=6

 

[Arfatzafar]

Yes, it's extremely necessary on us to know what we consume whether it's halal or haram. As per the shariah what we consume, affects us.even if we are not sure of the food being it haram or halal in this case we should abstain from consumption.