Abstract
Background and Aim:Meatballs are a processed product of animal origin that is consumed cooked, usually with chicken, beef, or pork as the main ingredient. Unfortunately, some unscrupulous sellers in Indonesia may adulterate this product with rat meat to decrease production costs. Rat meat in any food is a critical public health issue and is prohibited under Indonesian food safety laws, as well as within Muslim communities. This study aimed to test the sensitivity of the polymerase chain reaction (PCR) method in the detection of rat meat contained in processed, cooked beef meatballs.Materials and Methods:Beef meatballs were formulated with different concentrations of rat meat. Molecular detection of adulteration was initiated by DNA extraction of each cooked meatball formulation followed by PCR using a specific primer for mitochondrial DNA Cytochrome b gene of rat, which primer sequences, i.e., forward primer: 5’CATGGGGACGAGGACTATACTATG ’3 and reverse primer: 5’GTAGTCCCAATGTAAGGGATAGCTG’3.Results:Our study showed that the PCR method is sensitive in detecting 5% or greater rat meat adulteration of cooked beef meatballs.Conclusion:The PCR method can be used to detect most rat meat adulteration of cooked beef meatballs and offers a sensitive and effective means to protect food safety and religious requirements in Indonesia.
Highlights
Animal protein is an important substance for human health as it contains amino acids that increase the body’s metabolism and energy [1]
This study aimed to test the sensitivity of the polymerase chain reaction (PCR) method in the detection of rat meat contained in processed, cooked beef meatballs
Our study showed that the PCR method is sensitive in detecting 5% or greater rat meat adulteration of cooked beef meatballs
Summary
Animal protein is an important substance for human health as it contains amino acids that increase the body’s metabolism and energy [1]. To protect food safety and to meet religious requirements, sensitive and effective methods to detect the adulteration of meat are urgently needed [2]. Meatballs are a processed product of animal origin that is consumed cooked, usually with chicken, beef, or pork as the main ingredient. Rat meat in any food is a critical public health issue and is prohibited under Indonesian food safety laws, as well as within Muslim communities. This study aimed to test the sensitivity of the polymerase chain reaction (PCR) method in the detection of rat meat contained in processed, cooked beef meatballs
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