Research Article

Enhancement or Suppression of ACE Inhibitory Activity by a Mixture of Tea and Foods for Specified Health Uses (FOSHU) That Are Marketed as “Support for Normal Blood Pressure”

Table 1

ACE inhibitory activity of green tea beverage and FOSHU. ACE inhibitory activity is shown as mean ± SD, 𝑛 = 6 . *The ACE inhibitory activity is shown in relation to the concentration of tea polyphenol included in Healthya or functional component in each FOSHU.

SampleACE inhibitory activity IC50 (ng/mL)*

Healthya 6 4 . 8 × 1 0 3 ± 7 . 3 × 1 0 3
Goma-Mugicha 1 9 . 3 6 ± 4 . 8 7
Lapis Support 7 6 . 6 7 ± 1 1 . 1 2
Ameal 8 8 2 . 7 0 ± 7 2 . 7 0