Page 239 - Analytical method for food addtives
P. 239
phosphate at pH 3. Flow
rate 1 mL/min
mm, 10 µm)
and guard column
(35 × 4.6
20 %; powdered milk and cream 1 %;
filtered through 0.45 µm filter. 20 µL
dietetic supplement 0.5 %. Solutions
g minced sample with 2,4,6-tri- 10 UV at 280 nm Gradient at 1.5 mL/min A, Extrasil ODS2 acetic acid–MeOH (5:95) cm, (25 × 0.46 methylphenol as is was added and and B, acetic acid–water 5 µm) and homogenised with acetonitrile–iso- (5:95) precolumn Kromasil propanol (1:1). Liquid phase separated ODS2 and re-extracted x2. Combined a
10 1 20 µL injected injected
Bakery products Foods Foods and drugs Edible oils Dairy products and dietetic supplements
HPLC HPLC LC LC LC