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All Journal INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES
Nyoman Agus Bagiada
Program Pascasarjana Universitas Udayana
Medicine & Pharmacology

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ANTIOXIDANT CAPACITY OF FRANGIPANI (Plumeria alba) POWDER EXTRACT Wrasiati, Luh Putu; Wirawan, I Gede Putu; Agus Bagiada, Nyoman; Mantik Astawa, I Nyoman
INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Vol. 5, No. 2 Mei 2011
Publisher : Udayana University

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Abstract

This research aimed to identify the antioxidant capacity, vitamin C (ascorbic acid), and total phenolic compounds of frangipani flower powder. The powder was extracted using ethanol, methanol, acetic acid, and water (aquadest). Antioxidant capacity of each extract were determined using 2,2-diphenyl-1-picrylhydrazyl radical scavenging method, vitamin C were determined using 2,4 Dinitrophenylhydrazine, and total phenolic compounds were determined using Folin Ciocalteu reagent. All of parameters were measured by spectrofotometer. The result shows that the highest value of antioxidant capacity was ethanolic extract (18.19%) and the lowest value was acetic acid extract (12.74%). The highest value of vitamin C was aqueous extract (3.49 mg/100g) and the lowest value was acetic acid extract (3.02 mg/100g). The highest value of total phenolic content was aqueous extract (25.49 mg GAE/g) and the lowest value was acetic acid extract (22.74 mg GAE/g). In conclusion, the higher antioxidant capacity was not always followed by the higher of vitamin C and total phenolic compounds.
LIPID PEROXIDATION AFTER INTRACORTICAL INJECTION OF FERRIC CHLORIDE INCREASES THE INCIDENCE OF SEIZURES IN YOUNG RATS Golden, Nyoman; Agus Bagiada, Nyoman; Darmadipura, Sajid
INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Vol. 3, No. 2 Juli 2009
Publisher : Udayana University

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Clinical studies have shown that the incidence of early posttraumatic seizures ishigher in children than in adults and it has been proposed that iron-induced lipidperoxidation has an important role in the development of epileptogenic foci. In this study,we examined some of the hypothesized reasons for the difference in the incidence ofearly posttraumatic seizures between young and adult rats. Twelve young and twelveadult rats were randomized into 4 groups. Group 1 and 2 were control groups, eachcomprising of 6 young rats and 6 adult rats respectively and were given intracorticalinjections of normal saline. Group 3 and 4 were injury groups, again comprising 6 youngrats and 6 adult rats respectively and were given intracortical injections of FeCl3. All ratswere observed for 6 hours post injection for the occurrence of seizures and were thenkilled. The injected hemispheres were extirpated and tested for malondialdehyde (MDA)level and superoxide dismutase (SOD) activity as indices of oxidative damage. Resultsshowed that seizures were observed only in Group 3. Increased MDA level and decreasedSOD activity were observed in Group 3 (ANOVA, p<0.001). Increased MDA levels anddecreased SOD activity were significantly higher in rats with seizures (Group 3) than inthose without seizures (independent t-test, p<0.001). We conclude was that differentlevels of lipid peroxidation induced by intracortical ferric chloride injection may accountfor the different seizure incidence between young and adult rats
Co-Authors I GEDE PUTU WIRAWAN I NYOMAN MANTIK ASTAWA Luh Putu Wrasiati Nyoman Golden Sajid Darmadipura