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Image of UJI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL BUAH TEMBESU (FAGRAEA FRAGANS ROXB.) DENGAN METODE DPPH

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UJI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL BUAH TEMBESU (FAGRAEA FRAGANS ROXB.) DENGAN METODE DPPH

Pebrianti, Tri - Personal Name;

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Tembesu (Fagrea fragans Roxb.) is a wood-producing plant originating from the island of Sumatra, especially South Sumatra. Every part of the plant has long been used by people as tradisional medicine. The methanol extract of Tembesu fruit were known to contained phenolic, flavanoid and tannin compounds wich have antioxidant activity, but the ability of methanol extract of Tembesu fruit as an antioxidant has never benn carried out before. Tembesu fruit also contains triterpenoids identified as ursolic acid and oleanic acid. This research was conducted to determine the antioxidant activity of methanol extract of Tembesu fruit (Fagraea fragrans Roxb.) before and after separating the crystal precipitate. The antioxidant activity of samples extract total (A), filtrate (B) and crystal (C) was measured by the DPPH method and the IC50 values were 373.3 mg/L (moderate); 186.5 mg/L (strong), and >1000 mg/L (inactive), respectively. The content of phenolic and flavonoid compounds in tembesu fruit was donate hydrogen atoms to DPPH radicals. The results showed that the total phenolic content of samples extract total (A) and filtrate (B) were 13.73 mgGAE/g and 23.34 mgGAE/g and the total flavanoid content were 5.83 mgQE/g and 9.08 mgQE/g, respectively. Based on this data, it is known that the total phenolic and flavanoid levels of the methanol extract of tembesu fruit increased after the crystal precipitate was separated as well as its antioxidant activity.


Availability
Inventory Code Barcode Call Number Location Status
2307000836T90046T900462023Central Library (Referens)Available
Detail Information
Series Title
-
Call Number
T900462023
Publisher
Indralaya : Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya., 2023
Collation
xv, 52 hlm.; ilus.; 21 cm
Language
Indonesia
ISBN/ISSN
-
Classification
543.107
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
Jurusan Kimia
Antioksisan Ekstrak Metanol
Specific Detail Info
-
Statement of Responsibility
PITRIA
Other version/related

No other version available

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  • UJI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL BUAH TEMBESU (FAGRAEA FRAGANS ROXB.) DENGAN METODE DPPH
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