صفحة 88 الصفحة في PDF
sulfone
O
CH3
S
CH3
O
Sulfone شزمبد
Flavor of coltured dairy products
Cottage cheese
carbonyl
Diacetyl, acetaine (acetyl-methyl-carbony) acetone, acetaldehyde, butyric, propionic, acetic
and formic acids.
Diacetyl
mixedculture
*- Streptococcus – lactic
*- Streptococcus – citrovorous
*- Streptococcus –paracitrovorous
Diacetyl
S.Lactis
Diacetyl
Diacetyl
Diacetyl
Diacetyl
COOH
CH2
CH3
COOH
- acetate
OHC
- CO2
C O
COOH
CH2
CH2
COOH
Citric acid
CH3
(O)
C O
H
COOH
Pyrovic acid
(H)
COOH
C
OH
COOH
Lactic acid
Oxaloacetic
CH3
- CO2
CHOH CHOH CH3
2,3 – butylene glycol
(H)
O
CH3
C
- CO2
CHOH
Acetion
COOH
CH3
CH3
CH3
C O
C
C
CH3
O
H
acitaldehyde
OH
Acetyl Lactic
(O)
O
CH3
C
O
C CH3
Di acetyl
(Diacetyl)
Diacetyl, Acetion, 2,3 butylene glycol
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