Abstract
Currently, along with the development of science and technology, the diversification of food products occurs in the market. Food products can contain non-halal components like porcine gelatine. One of food suspected to use gelatine is soft candy. Gelatin can be made from pork or beef or other animal. The presence of porcine gelatine in any food products is not allowed for Moslem community, therefore an analytical method offering reliable results must be developed. This study is intended to use Real-Time Polymerase Chain Reaction (RT-PCR) for analysis of porcine gelatine in soft candy. Isolation of DNA was performed with mitochondrial DNA Isolation Kit K280-50 (Bio-Vision). The DNA was analyzed by RT-PCR using primer D-Loop 318. Analysis for the primer specificity was performed on fresh tissue (pig, cows, chickens, goats and rats) and gelatin sources (beef, pigs and catfish). Primer D-loop318 can amplify porcine DNA at the optimum temperature 61.4°C. Repeatability test demonstrated amplification of all positive response samples containing porcine DNA in serial dilution of 10000-1 pg). The Coefficient of Variation (CV) is 6.32%. The repeatability test was also performed on soft candy 100% having CV of 1.06%. The commercial soft candy samples evaluated do not contain porcine DNA.
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