Dairy Chemistry And Biochemistry

LACTOSE 53

FH20H CH2OH

Lactosyl urea

Figure 2.26 Structure of lactosyl urea.

LACTOSE

0

II //”

H3C-C- c\ OH

Pyruvic acid

J

2CH3CH2COOH + CHACOOII

propionic acid arctic acid

• CO2 + H20 OH

H ‘ “ONH,

H3C-C- I //”

Animoniuni lar ta te

(animal feed)

HH

II

H-C-C-OH II

HH

Ethanol

(potable or industrial)

t

70

H-C-C’

‘OH

Acetic acid

(vinegar)

Figure 2.27 Fermentation products from lactose.