Sari, Enindya Ika Marta (2018) PENENTUAN KADAR KAFEIN PADA KOPI BUBUK DI PASARAN DI DAERAH SURAKARTA DENGAN METODE SPEKTROFOTOMETRI UV-VIS. Karya Tulis Ilmiah thesis, Universitas Setia Budi Surakarta.
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Abstract
Coffee is a favorite drink by many generations. Coffee that has a powder texture is one of the coffee became the preferred choice of many people. Most people consume coffee regardless of the ingredients in coffee that can affect health. One of them is caffeine. The purpose of this research is to know the level of caffeine in coffee powder in the market area of Surakarta. The determination of caffeine in coffee powder was done by using Spectrofotometric UV-Vis method with maximum wavelength 285 nm. From the results of the research, the levels of caffeine in 5 brands of ground coffee in 1 gram are 19,0070 mg; 18,9199 mg, 21,4636 mg; 10,1220 mg and 16,2456 mg. Keywords: Coffee powder, Caffeine, Spectrofotometric UV-Vis
| Item Type: | Thesis (Karya Tulis Ilmiah) |
|---|---|
| Uncontrolled Keywords: | Coffee powder, Caffeine, Spectrofotometric UV-Vis |
| Subjects: | R Medicine > R Medicine (General) |
| Divisions: | Fakultas Ilmu Kesehatan > Prodi D3 Analis Kesehatan |
| Depositing User: | B Supri Yadi |
| Date Deposited: | 23 Feb 2019 02:40 |
| Last Modified: | 23 Feb 2019 02:40 |
| URI: | http://repo.setiabudi.ac.id/id/eprint/477 |
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