Research Article

Changes in the Total Polyphenolic Content and Antioxidant Capacities of Perilla (Perilla frutescens L.) Plant Extracts during the Growth Cycle

Figure 3

Antiradical activity of the extracts against the DPPH radical. (1) early vegetative; (2) medium vegetative; (3) late vegetative; (4) early flowering; (5) full flowering. Means of EC50 with different letters are significantly different ().