Leaven, or yeast, was sometimes used in the bread - making process. These simple substances combine to form an astonishing number of chemical compounds that have active links to one another.
Šīm vienkāršajām izejvielām savienojoties, maizes cepšanas procesā veidojas pārsteidzošs skaits ķīmisku savienojumu, kas mijiedarbojas savā starpā.