Adam Malik General Hospital, Medan, Indonesiaĭepartment of Pharmacology and Therapeutic, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesiaĭepartment of Clinical Pathology, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesiaĭepartment of Internal Medicine, Faculty of Medicine, Universitas Andalas, Dr M. 5(1): 25-34.Department of Internal Medicine, Faculty of Medicine, Universitas Sumatera Utara, H. Aktivitas Antioksidan Ekstrak Metanol Daun Kelengkeng (Euphoria longan (L) Steud.) dengan Metode Penangkapan Radikal 2,2'-Difenil-1-Pikrilhidrazil. Residue from common bean (Phaseolus vulgaris L.) processing in the rations for milking cows: intake, digestibility, milk production and composition and feeding efficiency. Wheat bran particles size influence on phytochemical extracbility and antioxidant properties. Uji Aktivitas Antioksidan Ekstrak Daun Salam (Syzygium Polyanthum) dengan Menggunanakan 1,1-Difenil-2-Pikrilhidrazil.
Free Radicals, Antioxidants and Functional Foods : Impact On Human Health. Penentuan Kadar Flavonoid Total dan Aktivitas Antioksidan Ekstrak Etanol Daun Kajajahi (Leukcosyke capitellata Wedd.). Antioksidant Activity of Methanol Extract of Ferula Assafoetida and Its Essential Oil Composition. Dehpour, A.A., Ebrahimzadeh, M.A., Fazel, N.Iranian Journal of Science and Technology. Influence Of Extraction Solvents On Cosmos Caudatus Leaf Antioxidant Properties. Cheng, S.H., Khoo, H.E., Ismail, A., Abdul-Hamid, A., and Barakatun-Nisak, M.Y., (2016).Estimation of total flavonoid content in propolis by two complementarycolometric methods. Departemen Kesehatan Republik Indonesia, Jakarta. Farmakope Herbal Indonesia Edisi Pertama. Spinach extract is categorized as weak antioxidant activity. Antioxidant activity of quercetin is categorized strong antioxidantĪctivity, while the antioxidant activity of red giti spinach extract and green giti Green giti spinach extract are significantly different from the positive control Values It can be concluded that antioxidant activity of red giti spinach extract and Spinach extract, and green giti spinach extract are (1.375☐.085)µg/ml, The value of ES 50 for positive control quercetin, red giti The results also show that all groups have activity as free The results showed that the total amount ofįlavonoids in red giti spinach was (5.615☐.114)% EK and green giti spinach was red giti and green giti.Īs a positive control quercetin is used. DPPH method is used to determine the activity of capturingįree radicals of ethanol extracts of Amaranthus tricolor L. The mechanism of antioxidants in stabilizing free radicals is give the lackĮlectron of free radicals and inhibit the formation of free radical formation thatĬan damage the body.
Antioxidants in the form of total flavonoids are compounds that can stabilize free