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Farida Amir dan Chairul Saleh Uji Aktivitas Antioksidan Kimia FMIPA Unmul
UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL BIJI BUAH DURIAN (Durio zibethinus Murr) DENGAN MENGGUNAKAN METODE DPPH ANTIOXIDANT ACTIVITY ACTIVITY TEST OF ETHANOL EXTRACT FROM Durio zibethinus Murr SEEDS BY DPPH METHOD Farida Amir dan Chairul Saleh Program Studi Kimia FMIPA FMIPA Universitas Mulawarman Jalan Barong Tongkok Tongkok o! " Kam#us $unung Kelua Samarinda% &'()*
ABSTRACT Durian fruit already famous enough in Indonesian society. Not only the content of the fruit, but Durian also have many advantage for example the seed, leather, root and the leaves that useful for human healthy. Then, phytochemical screening test and antioxidant activity test. Antioxidant activity test use scavenging test to )%)+di#hen,l+(+#i-r,hidra.il (DPP! (DPP! radical. "n antioxidant activity test, mix of extract and DPP are incubate incubate for #$ minutes, minutes, then the absorbance absorbance is measured measured on % & ') nm using spectropho spectrophotome tometer ter.. The absorb absorbanc ancee from from sample sample,, blan*, blan*, and negati negative ve contro controll are conver converted ted as Antioxi ntioxidan dantt Activity ctivity Absorbance (AA+!. ased on result of phytochemical ethanol extract, Durian steud contain of fenolic, flavonoid, al*aloid, and tryterpenoid. ased on antioxidant activity test -ith DPP radical scavenging method by spectrophotometer. spectrophotometer. thanol extract of Durian has antioxidant activity about /'$ 0#,$ 1g2m3 and 4itamin 4itamin / as comparison has antioxidant about /'$ #,56 1g2m3 Keywords: /urian seed , #h,to-hemi-al% antio0idant a-tivit,% /PP1
A. PEND PENDAH AHUL ULUA UAN N Antio*sidan merupa*an sebutan untu* 7at yang berfungsi melindungi tubuh dari serangan radi*al bebas (eyne, (eyne, 895!. 895!. :adi*al :adi*al bebas adalah suatu senya-a senya-a mole* mole*ul ul yang yang mengan mengandun dung g satu satu atau atau lebih lebih ele*tr ele*tron on tida* berpasangan pada orbital luar yang yang menyebab*an menyebab*an senyasenya-aa terseb tersebut ut sangat sangat rea*ti rea*tiff (; (;in inars arsih, ih, 0$$5! 0$$5!.. Dalam tubuh manusia , radi*al bebas dianggap berperan dalam proses terurr! merupa*an salah satu durian ( /urio tanaman dengan potensi antio*sidan. ?elain mendapat
Kimia FMIPA FMIPA Unmul