1. The result of using the borax test kit shows that there is no borax in the 80 samples tested;
2. Among the 80 samples examined, 7 samples were found to contain ammonia gas, about 9%, which may be derived from ammonium bicarbonate (Ammonium Bicabonate) or baking ammonia (helping to make Thai fried dough sticks fluffy);
3. 21 samples were randomly selected from 80 samples to test for repeated use of frying oil. The results of using the polar substance detection kit showed that no polar substances were found in the tested samples.
Supakij, director of the Medical Bureau, continued to say that because Thai fried dough sticks are high-starch foods that are deep-fried at high temperatures, they may contain acrylamide. This is because asparagine and reducing sugars occur during high-temperature heating. Maillard ( Maillard reaction). According to toxicology studies, if high-dose acrylamide is taken, it will cause neurotoxicity. The International Agency for Research on Cancer (IARC) claims that it is a substance that can cause human cancer. Therefore, a liquid chromatography/triple quadrupole mass spectrometer (LC-MS/MS) was used to analyze the content of acrylamide in 25 Thai-style fried dough sticks. The test result is:
1. The content of acrylamide in the tested sample is:0.04-0.48 mg/kg;
2. The total average content of acrylamide in the tested samples is:0.20 mg/kg;
3. There are 3 types of Thai fried dough stick samples:crispy mini fried dough sticks, fluffy fried dough sticks and brand fried dough sticks. The content of acrylamide in these three types of Thai fried dough sticks are:0.31 mg/kg, 0.09 mg/kg and 0.05. mg/kg.
Supakij, director of the Medical Bureau, added that the content of acrylamide in Thai fried dough sticks was compared with the data of acrylamide risk assessment in Thai foods (such as fried banana chips, fried taro, French fries, etc.) in 2011. The results are:
1. The content of acrylamide in Thai fried dough sticks is similar to that in fried taro. The average content of acrylamide in fried taro is 0.14 mg/kg;
2. The content of acrylamide in Thai-style fried dough sticks is lower than the content of acrylamide in French fries. The average content of acrylamide in French fries is 0.71 mg/kg.
Supakij, director of the Medical Bureau, finally stated that Thai-style fried dough sticks sold in Bangkok and nearby areas are safe and no borax or polar substances have been found. It was also detected that the content of acrylamide in Thai fried dough sticks is still at a safe consumption level compared with the 2011 risk assessment data of acrylamide in Thai food. If ammonium bicarbonate is used moderately when frying at high temperature, the substance will completely evaporate, leaving no odor in Thai fried dough sticks, and will not harm the health of consumers. But excessive use of ammonium bicarbonate, ammonia gas can irritate the throat. Therefore, for your health and safety, you should avoid inhaling ammonia, and you should not consume Thai fried dough sticks continuously every day. If you buy Thai-style fried dough sticks, you should pay attention to the color of the frying oil used by the merchant, and choose foods rich in protein to eat together.
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