This rancid oil incident in Taiwan is the largest and most widespread incident in 2019
On the mainland, there was disclosure of rancid oil as early as 2010.
In 2010, Professor He Dongping from the School of Food Science and Engineering of Wuhan Institute of Technology in Hubei Province disclosed that the total annual consumption of animal and vegetable oils in the country is about 22.5 million tons, and the actual production of edible animal and vegetable oils is less than 20 million tons. It is speculated that every year There are 2 million to 3 million tons of rancid oil returned to the table. In other words, according to the proportion, mainland Chinese compatriots eat an average of 3 million tons of rancid oil every year [9].
A survey conducted by Guangdong media speculates that Sichuan cuisine, Hunan cuisine and other restaurants in the Pearl River Delta mostly use sour water and oil.
A chef who has worked in many restaurants in Foshan claimed that the use of rancid water and oil in restaurants has become an open secret
The 2014 Taiwanese sour water and oil incident is a series of food safety incidents The well-known lard brand Qiangguan Enterprise Co., Ltd. was seized by Taiwan's prosecutorial police investigation system for purchasing rancid oil (including waste cooking oil and re-cooked oil) from underground factories such as Guo Liecheng in Pingtung and others for profiting from millions of dollars in price differences. Hong Kong Jinbaoyun Trading Company's "feed oil" is then made into fragrant lard, which is sold to well-known brands such as Weichuan, Want Want, Uni-President Supermarket, FamilyMart, Weiwang, Chimei Food, Shengxiangzhen, Food Master (85 degrees C), Black Bridge, etc. Businesses, down to food stalls, bakeries, Chinese and Western catering and restaurants, are all affected [4], and the number of people who have eaten sour food is even more difficult to estimate. Later, it was revealed that hundreds of tons of problematic cooking oil had flowed into the market. Mid-Autumn Festival moon cakes, pineapple cakes and other foods may have been contaminated, affecting all places on both sides of the Taiwan Strait.