The results of a BPA concentration analysis of 54 SNU Graduate School of Health and Mart Calculator, If you touch it with a lotion, it will absorb better.
The concentration of Bisphenol A (BPA), the environmental hormone, is doubling just by touching the receipt with bare hands, according to a study. Although it is a research paper that was conducted by the Mart Calculator, consumers are also advised to be cautious as they are exposed to receipts in their daily lives.
BPA is one of the environmental hormones that can disrupt the endocrine system when it enters the human body. They are mainly raw materials such as plastics, epoxy, and resins used in water bottles, sporting goods, and coating materials of cans. Adults who weigh 60 kilograms are allowed to consume 3 . per day.
Professor Choi Kyung-ho of the Graduate School of Health at Seoul National University (SNU) said on Monday, " We measured the concentration of Bisphenol A in urine according to the treatment of thermal paper on 54 middle-aged female cashies with an average of 11 years. "
Thermal paper used in a mart is a form of paper that has a fine combination of dye and developer. Usually, if you go through a head that applies heat to a transparent but printed part, the dye and the phenomenicant combine to undergo a chemical reaction, and only the parts affected by the heat change into black light.
The research team compared the concentration of Bisphenol A urine in the same period as when the calculator was not wearing gloves and handled the receipt for two consecutive days.
As a result, the concentration of Bisphenol A in urine, which was handled with bare hands during work, was 0.92, which is 2.04 times higher than 0.45 before work. On the other hand, the concentration of Bisphenol A when working with gloves was 0.51 before work and 0.47 after work.
The study also observed the correlation between Bisphenol A and diabetes. A calculator with high levels of Bisphenol A that are exposed to a receipt has high levels of insulin resistance as well as high levels of hunger.
Professor Choi Kyung-ho explained that the research result shows that a cashier who treats receipts professionally can almost reduce the exposure of BPA by wearing gloves.
The risk dispute over Bisphenol A receipts is not what happened yesterday. Studies have shown that touching a receipt with lotion on one's hands can be absorbed better, and that if the bisphenol is absorbed through the hand, it will stay in the body longer.
Because of this, BPS receipts that replace BPA were introduced at some companies. However, research team explains that even if it is not BPA, Bisphenol's receipts are found to have similar levels of risk.
" The problem is that it is difficult to reduce the risk to the human body just by replacing the BPA component, " Choi said.
As smartphones are replacing receipts these days, it is desirable to dispose of them immediately, even if they are inevitable, rather than receiving paper receipts after buying them.
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