Caanaha Litmus

Caanaha Litmus waa caano dhexdhexaad ah oo loo adeegsado in lagu kala saaro noocyada kala duwan ee bakteeriyada. Laktoosku (sonkorta caanaha), litmus (pH indicator), iyo casein (borotiinka caanaha) ee kujira dhex dhexaadnimada dhamaantood waxaa laguqabayaa noocyada bakteeriyada kaladuwan.
Maaddaama caanuhu badanaa yihiin substrate-ka ugu horreeya ee loo isticmaalo in lagu ilaaliyo bakteeriyada, tijaabadani waxay u oggolaaneysaa sawir sax ah noocyada bakteeriyada. Ku darista litmus, marka laga reebo sharraxaadda nooca pH, waxay u dhaqantaa tilmaame yareynta qiiqa. Baadhitaanka laftiisa ayaa sheegaya in bakteeriyadu qaajin karto laaktoos, yareyn karto xabadka, sameyso xinjiro, sameyso gaas, ama bilaabi karto peptonization.