Gutter oil has become such a business in China, which is being done on a large scale. Despite being illegal, gutter oil or saliva oil is used secretly. From street vendors to some cheap hotels, everyone uses this oil a lot. Gutter oil is mostly used for spicy food, so that people do not understand its taste. The Chinese government has banned the use and extraction of gutter oil, for which there is also a provision of punishment. But still its business is going on in full swing. How is…
Read MoreHow is gutter oil extracted? How harmful is it for health
