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<title><![CDATA[UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN KOPI ARABIKA (Coffea arabica L) DENGAN MENGGUNAKAN METODE DPPH (2,2-DIPHENYL-1-PICRILHIDRAZYL)]]></title>
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<namePart>Ardi Rustamsyah, M.Si., Apt</namePart>
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<namePart>Dr. Ria Mariani, M. Si., Apt</namePart>
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<name type="Personal Name" authority="">
<namePart>ANGGA AMINUDIN WIJAYA</namePart>
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<place><placeTerm type="text"><![CDATA[Garut]]></placeTerm></place>
<publisher><![CDATA[Fakultas MIPA UNIGA]]></publisher>
<dateIssued><![CDATA[2017]]></dateIssued>
<issuance><![CDATA[monographic]]></issuance>
<edition><![CDATA[]]></edition>
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<languageTerm type="text"><![CDATA[Indonesia]]></languageTerm>
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<form authority="gmd"><![CDATA[Fitokimia]]></form>
<extent><![CDATA[vii, 43 hlm.]]></extent>
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<note>Telah dilakukan uji aktivitas antioksidan dari ekstrak etanol, fraksi etil asetat, dan fraksi n-Heksan daun kopi arabika (Coffea arabica L). Hasil penapisan fitokimia serbuk simplisia dan ekstrak etanol menunjukan adanya senyawa flavonoid, tanin, alkaloid, kuinon, saponin dan steroid/triterpenoid. Uji aktivitas antioksidan dilakukan dengan metode DPPH menggunakan spektrofotometri ultraviolet sinar tampak. Aktivitas antioksidan tertinggi diberikan oleh ekstrak etanol diikuti fraksi etil asetat, fraksi n-Heksan dengan nilai IC50 masing-masing yaitu 110,496 µg/mL, 147,838 µg/mL, 157,071 µg/mL. sedangkan Vitamin C sebagai pembanding memiliki nilai IC50 9,214 µg/mL.</note>
<subject authority=""><topic><![CDATA[Coffea arabica L]]></topic></subject>
<subject authority=""><topic><![CDATA[Daun kopi arabika]]></topic></subject>
<subject authority=""><topic><![CDATA[Antioksidan]]></topic></subject>
<subject authority=""><topic><![CDATA[DPPH]]></topic></subject>
<classification><![CDATA[0004]]></classification><identifier type="isbn"><![CDATA[]]></identifier><location>
<physicalLocation><![CDATA[Fakultas MIPA Universitas Garut System Elektronik Skripsi dan Tesis]]></physicalLocation>
<shelfLocator><![CDATA[0004 ANG 2017]]></shelfLocator>
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