In Vitro Studies on the Antioxidant Property and Inhibition of α-Amylase, α-Glucosidase, and Angiotensin I-Converting Enzyme by Polyphenol-Rich Extracts from Cocoa (Theobroma cacao) Bean

Table 3

EC₅₀ values of SNP and Fe²⁺ induced lipid peroxidation in rat’s pancreas, angiotensin-I converting enzyme inhibitory activity in the lungs and heart, and -amylase and -glucosidase inhibitory activity of aqueous extract of cocoa bean.

Parameter	EC50 value (mg/mL)
SNP induced lipid peroxidation	11.47 ± 1.07
Fe^2+ induced lipid peroxidation	2.12 ± 0.10
ACE (lungs)	0.674 ± 0.06
ACE (heart)	1.006 ± 0.08
-amylase	1.81 ± 0.22
-glucosidase	1.84 ± 0.17

Values represent means ± standard deviation of triplicate readings.