Food Biochemistry and Food Processing (2 edition)

(Steven Felgate) #1

BLBS102-c04 BLBS102-Simpson March 21, 2012 11:59 Trim: 276mm X 219mm Printer Name: Yet to Come


4 Browning Reactions 75

CH 2 OH

CH 2 OH CH 2 OH CH 2 OH

OH OH

HO

O
H 2 C–O–C–R^1

H 2 N–R

R=CH 2 –CH 2 –O–P–O–CH 2

HC–O–C–R^2

CH 2 OH CH 2 OH

OH Lactose

OH

OH

OH

O

O

(Phosphatidylethanolamine:PE) O

OH

OH

OH

CH=N–R
OH

OH

OH

OH

OH

OH

CH=N–R

OH

HO

Schiff base

O

O

CH 2 OH CH^2 OH

Amadori - PE
CH 2 OH

OH

OH

CH 2 –NH–R

OH
O

OH

OH

OH

O

CH 2 –NH–R

OH

HO

O

O

Glucose

OHOH

O

O
O
OH

Figure 4.14.Scheme for the glycation with glucose and lactose of phosphatidylethanolamine (PE) (Oak et al. 2002).

enough concentration to pose a significant risk for human health
(Hidalgo et al. 2008).

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