Danger of recycled cooking oil

Life & Style Desk

There is a huge volume of imported dangerous recycled cooking oil in circulation now in Bangladesh. How to determine if cooking oil is recycled oil.
1: place your cooking oil in the fridge for about 2 hours, if there is whitish bubbles or foam, you know then it is made from recycled oil waste materials. We need to spread the news to our loved ones.
2: Put a clove of garlic when about to fry, if the garlic turns red, that means the toxic level of recycled Oil is very high. Garlic will remain white if the oil is of good quality.