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Phenolic antioxidant (Shodex C18-4D)



Sample: 20 µL

1. PG 1 ppm

2. THBP 5 ppm

3. NDGA 3 ppm

4. BHA 5 ppm

5. OG 2 ppm

6. HMBP
5 ppm

7. DG 2 ppm

8. BHT 5 ppm


Eluent: A; 10 mM Phosphoric acid buffer (pH 2.6) B; A/ACN=1/9
Gradient; 40% B (0-4 min) ? 73% B (4.01-10 min)
? 100% B (10.01-16 min)? 40% B (16.01-25 min)
Flow rate: 1.0 mL/min
Column temp.: 40 °C
Detector: UV (280 nm)