Aktivitas antioksidan in vitro pada ekstrak etanol cabai keriting hijau (Capsicum annuum ?Joe?s Long Cayenne? Linnaeus) dengan metode DPPH Free Radical Scavenging Assay = In vitro antioxidant activity in the ethanol extract of green long cayenne (Capsicum annuum ?Joe?s Long Cayenne? Linnaeus) compared to vitamin C, by DPPH Free Radical Scavenging Assay method