The homogenates were kept in an ice bath for 1 h, and then centrifuged at 23,000 g for 30 min at 4 8C; the supernatant was transferred to new centrifugal tube and were stored at 70 8C for quantification of PAs.
The homogenates were kept in an ice bath for 1 h, and then centrifuged at 23,000 g for 30 min at 4 8C; the supernatant was transferred to new centrifugal tube and were stored at 70 8C for quantification of PAs.