Research Article
Effect of Freeze-Thaw Pretreatment on Extraction Yield and Antioxidant Bioactivity of Corn Carotenoids (Lutein and Zeaxanthin)
Figure 1
HPLC analysis of major carotenoid compounds of CGM. (a) No pretreatment; (b) freeze-thaw pretreatment.
(a) |
(b) |