ANALISA KANDUNGAN FORMALIN PADA TAHU KUNING YANG DIPERJUALBELIKAN DI PASAR JOHOR KARYA WISATA KOTA MEDAN

Abstract

Yellow tofu is a type of tofu that has a yellow color that comes from turmeric water, contains high protein but is easily damaged, so it is not uncommon to add preservatives, such as formalin. Formalin is a substance that is prohibited by the government, as stated in the Indonesian Minister of Health Regulation No. 033 of 2012. Formalin can endanger human health because it can cause poisoning, such as silent disease, a disease whose effects will be felt for a long time. The purpose of this study was to determine the presence of formalin content in yellow tofu. This research is an observational analytic study. This research was conducted from November 2022 to June 2023 at the Toxicology Laboratory, Health Polytechnic Clinic of the Ministry of Health, Department of Medical Laboratory Technology, using 4 samples of yellow tofu which were traded in Pasar Johor, Karya Wisata, Medan. The qualitative method uses the KMnO4 test and the formalin test kit. Based on the results of a qualitative study of 4 yellow tofu samples, it was found that all negative samples contained formaldehyde, and were declared to fulfill the requirements of the Republic of Indonesia Minister of Health Regulation No. 033 of 2012 concerning food additives.