POTENSI SENYAWA BIOAKTIF RUMPUT LAUT Halimeda micronesica dan Halimeda macroloba SEBAGAI ANTIOKSIDAN DAN SKRINING FITOKIMIA EKSTRAK AKTIF RUMPUT LAUT DARI PULAU MASPARI

LUBIS, DELINI OKTAVIAN A and Hendri, Muhammad and Rozirwan, Rozirwan (2017) POTENSI SENYAWA BIOAKTIF RUMPUT LAUT Halimeda micronesica dan Halimeda macroloba SEBAGAI ANTIOKSIDAN DAN SKRINING FITOKIMIA EKSTRAK AKTIF RUMPUT LAUT DARI PULAU MASPARI. Undergraduate thesis, Sriwijaya University.

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Abstract

The species H. micronesica and H. macroloba are a group of green seaweed (Chlorophyta) which are found in the waters of Pulau Maspari. The purposes of this study was to analyze the activity of antioxidant and phytochemicals compounds of the active extract of seaweed H. micronesica and H. macroloba originate from the Maspari Island. The procedures in this study include; collecting and handled samples, stratified maceration both samples using a solvent ethyl acetate (Hmi-EA and Hma-EA) and methanol (Hmi-M and Hma- M), extraction, antioxidants test with DPPH, phytochemical test and analysis IC50 . The results showed that of the four extracts tested contained an extract that had the ability to inhibit free radicals which extract Hmi-EA. Active extract Hmi- EA had a value of IC50 52.81 ppm. Active extract Hmi-EA contained alkaloids, steroids and flavonoids. Hmi-EA extract will be highly potential as an antioxidant.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	H. micronesica, H. macroloba, DPPH, Antioxidant, Total Phenolic, Maspari Island
Subjects:	G Geography. Anthropology. Recreation > GC Oceanography > GC1000-1023 Marine resources. Applied oceanography
Divisions:	08-Faculty of Mathematics and Natural Science > 54241-Marine Science (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	13 Dec 2019 08:52
Last Modified:	13 Dec 2019 08:52
URI:	http://repository.unsri.ac.id/id/eprint/21747

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