PENETAPAN KADAR FLAVONOID TOTAL PADA EKSTRAK DAUN ALPUKAT ( Persea americana Mill. ) DAN DAUN SALAM ( Syzygium polyanthum (Wight)Walp.) DENGAN METODE SPEKTROFOTOMETRI UV-Vis

Andira, Destya Septy Setya (2021) PENETAPAN KADAR FLAVONOID TOTAL PADA EKSTRAK DAUN ALPUKAT ( Persea americana Mill. ) DAN DAUN SALAM ( Syzygium polyanthum (Wight)Walp.) DENGAN METODE SPEKTROFOTOMETRI UV-Vis. Karya Tulis Ilmiah thesis, Universitas Setia Budi.

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Abstract

Avocado plants ( Persea americana Mill. ) and bay plants ( Syzygium polyanthum (Wight) Walp.) are traditional medicinal plants because they have many benefits. Avocado and bay plants contain chemical compounds, namely alkaloids, flavonoids, tannins, saponins, and triterpenoids. This study aims to compare the total flavonoid content of 70% ethanol extract of avocado leaves and ethyl acetate extract of bay leaves using a routine comparison. This study used the maceration method with ethanol and ethyl acetate as solvents. Avocado leaf powder and bay leaf were put into a maceration container then added with solvent for each simplicia and macerated for 3 days. The extract was filtered and evaporated on a rotary evaporator to produce a thick extract. The finished viscous extract was then determined for the total flavonoid content using the colorimetric method. The principle of this method is to use AlCl3 reagent. The formation of complex atomic compounds between AICI3 will form a yellow complex when the absorbance value is read on the UV-Vis spectrophotometer. The data obtained from the analysis were tested using the independent t-test method. The results showed that the total flavonoid content of avocado leaf extract was 0,47 % w/w while the total flavonoid content of bay leaf was 1,54 % w/w. These results did not meet the threshold requirements for determining total flavonoid levels in each extract sample based on the 2017 FHI. Keywords: avocado leaf, bay leaf, total flavonoids, UV-Vis spectrophotometry

Item Type:	Thesis (Karya Tulis Ilmiah)
Uncontrolled Keywords:	avocado leaf, bay leaf, total flavonoids, UV-Vis spectrophotometry
Subjects:	R Medicine > RS Pharmacy and materia medica
Divisions:	Fakultas Farmasi > Prodi D3 Analis Farmasi dan Makanan
Depositing User:	Tifany Nur Arfiana
Date Deposited:	16 Aug 2022 06:52
Last Modified:	16 Aug 2022 06:52
URI:	http://repo.setiabudi.ac.id/id/eprint/5131

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