UJI AKTIVITAS ANTIOKSIDAN KOMBINASI EKSTRAK KULIT BUAH JERUK NIPIS (Citrus aurantifolia) DAN BUAH STROBERI (Fragaria vesca L.) DENGAN METODE DPPH (2,2-diphenyl-1-picrylhydrazyl)

Hapsari, Rahmalia Feby (2024) UJI AKTIVITAS ANTIOKSIDAN KOMBINASI EKSTRAK KULIT BUAH JERUK NIPIS (Citrus aurantifolia) DAN BUAH STROBERI (Fragaria vesca L.) DENGAN METODE DPPH (2,2-diphenyl-1-picrylhydrazyl). Skripsi thesis, Universitas Setia Budi.

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Abstract

RAHMALIA FEBY HAPSARI, 2023. ANTIOXIDANT ACTIVITY TEST COMBINATION OF LIME PEEL EXTRACT (Citrus aurantifolia) AND STRAWBERRY (Fragaria vesca L.) USING DPPH METHOD (2,2-diphenyl-1-picrylhydrazyl), SKRIPSI, FACULTY OF PHARMACY, SETIA BUDI UNIVERSITY, SURAKARTA. Lime peel (Citrus aurantifolia) and strawberry (Fragaria vesca L.) are source of antioxidants with contain compounds such as flavonoids, tannins, alkaloids, saponins, phenolics, and antosianins. The contain of plant has potentially to neutralize dangerous of the free radicals. The purpose of this study was to determine the antioxidant activity using DPPH method on a single extract and a combination extract of lime peel and strawberry with a ratio of (1:1), (1:3), and (3:1). The ratio of 3:1 is expected to have the most effective effect. This research begins with determination, preparation and characterization of extract, and an antioxidant activity test. The antioxidant activity test using DPPH method on a single extract of lime peel and strawberry, and a combination extract with a ratio of (1:1), (1:3), and (3:1). Measurement of antioxidant activity was determined by IC₅₀ (Inhibition Concentration). The result of single extract of lime peel with an IC₅₀ 48.17 ppm, a single extract of strawberry 55.74 ppm, an combinations (1:1) 52.37 ppm, combination (1:3) 54.33 ppm, and combination (3:1) 46.13 ppm. The conclusion of the study is that the combination extract 3:1 has stronger antioxidant effect than the single extract and combination (1:1) and (1:3)

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	ekstrak kulit buah jeruk nipis; ekstrak stroberi; antioksidan; DPPH. Lime peel extract; strawberry extract; antioxidant; DPPH
Subjects:	R Medicine > RS Pharmacy and materia medica
Divisions:	Fakultas Farmasi > Prodi S1 Farmasi
Depositing User:	USB
Date Deposited:	26 Jun 2024 06:27
Last Modified:	26 Jun 2024 06:27
URI:	http://repo.setiabudi.ac.id/id/eprint/6277

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