B1 vitamin: kabi mahsulotlar tarkibida kop uchraydi.

A) guruch postlogida, baliq yogida, qizil qalampirda
B) tuxum sarigida, limonda, jigarda, sut va sut mahsulotlarida
C) orikda, mosh, noxat, baliq yogida
D) guruch postlogida, mol jigarida, bugdoy non, yongoqda