Determination of the genetic factor causing lactose intolerance by PCR

Lactose intolerance is the inability to absorb lactose – the sugar dominant in milk – into the digestive system. Incompletely digested lactose produces lactic and fatty acids, accumulates various gases, and a fermentation process begins. All these pathological changes lead to the clinical manifestation of lactose intolerance symptoms.

What are the symptoms of lactose intolerance?

• Stomach rumbling, gurgling;
• abdominal bloating, distension, gas accumulation;
• diarrhea;
• cramp-like abdominal pain;
• nausea.

Which food products contain lactose?

• Milk, butter, margarine, some yogurts;
• fermented dairy products, cheese;
• milk powder;
• bread and other baked goods;
• chocolate;
• many types of tablets;
• some food premixes.