Antioxidant Activity and Reactive Oxygen Species (ROS) Scavenging Mechanism of Eriodictyon californium, an Edible Herb of North America

Table 1

Qualitative phytochemical analysis of ECE.

Phytochemical	Availability
Tannins	++
Phlobatannins	+
Phenols	+
Flavonoids	++
Saponins	++
Terpenoids	++
Cardiac glycosides	+
Free anthraquinones	−
Carotenoids	−
Alkaloids	−
Steroids	++

(++) present in high amount; (+) moderate amount; (−) completely absent.