Aktivitas Antioksidan Danangiotensin-I Converting Enzyme Inhibitor oleh Yogurt dengan Ekstrak Daun Ficus Glomerata Roxb

Abstract

Ficus glomerata Roxb has been known to have flavonoids. Flavonoids in plant are known for their antioxidant activity and ability to the Angiotensin Converting Enzyme I- inhibitor. This research started with extraction using water on the leaves of Ficus glomerata Roxb to obtained profile of phenolic compounds in the leaves of Ficus glomerata Roxb [gallic acid, flavonol (quercetin dan rutin), flavanol (catechin), dan flavanone]. The next stage was to prepare of yogurt starter inoculation and propagation of starter yogurt and yogurt- making process with the addition of the leaf extract of Ficus glomerata Roxb during the storage process. The purpose of this research is to study the antioxidant activity ability and Angiotensin Converting Enzyme I- inhibitor of yogurt with Ficus glomerata leaf extract during storage times (1, 7, 14, 21, and 28 days) at 4 °C. The results showed that the antioxidant activity, the value of ophthalaldehyde (OPA) and Angiotensin Converting Enzyme I- Inhibition on Ficus glomerata –yogurt during storage in the refrigerator (4 °C) is higher and show differences significantly (p < 0,05) compared with plain yogurt that reaches optimal on day 7 of storage