Research Article

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

Table 1

Total phenolic contents of the perilla extract and fresh matter (FM) at different growth stages.

Growth stagePlant heightYield of extractionTotal phenolics
(cm)(%)(mg catechin eq./g extract)(mg catechin eq./g FM)

Early vegetative153.09
Medium vegetative302.52
Late vegetative402.20
Early flowering602.31
Full flowering703.26

Means with the same letter are not significantly different ().