Hydrogen Peroxide Is Involved in Salicylic Acid-Elicited Rosmarinic Acid Production in Salvia miltiorrhiza Cell Cultures

Figure 1

Exogenous SA promotes PAL activity (a), H₂O₂ production (b) and RA synthesis (c) in the suspension cultured cells of S. miltiorrhiza. 6-day-old suspension cultured cells treated with 22.5 mg/L SA were harvested at the time indicated. The PAL activity and contents of H₂O₂ and RA were determined. Values are means of three independent experiments. Bars represented standard errors.

(a)

(b)

(c)