SHAFIRA AULIA JANNAH, - (2024) PENGARUH TEMPAT TUMBUH TERHADAP KADAR FENOLIK, FLAVONOID TOTAL DAN SPF DARI EKSTRAK KULIT BUAH KOPI ARABIKA (Coffea arabica L.). Skripsi thesis, Sekolah Tinggi Farmasi Indonesia.
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Abstract
Kulit buah kopi memiliki metabolit sekunder seperti asam klorogenat, asam kafeat, antosianin total. Metabolit sekunder kadarnya dapat dipengaruhi oleh tempat tumbuh, lingkungan, curah hujan, paparan sinar matahari. Penelitian ini bertujuan untuk menganalisis kadar fenolik, flavonoid total dan nilai Sun Protection Factor (SPF) dari 2 daerah yang berbeda, yaitu Kecamatan Ibun Kabupaten Bandung (KIKB) dan Kecamatan Leles Kabupaten Garut (KLKG). Metode yang digunakan untuk ekstraksi yaitu Soxhlet secara bertingkat dengan pelarut n-heksan, etil asetat dan etanol 96%. Penetapan kadar fenolik dengan metode Folin-Ciocalteu, kadar flavonoid dengan metode kolorimetri serta nilai SPF dilakukan dengan persamaan Mansur. Hasil penelitian menunjukkan kadar fenolik, flavonoid total dan nilai SPF tertinggi secara berurutan pada ekstrak etanol 96% dari KLKG adalah 3,544 g GAE/100 g, 10,805 g QE/100 g dan 23,175 dengan tipe proteksi ultra. Berdasarkan hasil analisis statistik menunjukkan kadar fenolik dan flavonoid total serta nilai SPF dari kulit buah kopi yang berasal dari KIKB dan KLKG berbeda bermakna. Sehingga dapat disimpulkan perbedaan tempat tumbuh dapat mempengaruhi pada kandungan metabolit sekunder seperti golongan fenolik dan flavonoid. Ekstrak kulit buah kopi dari KLKG lebih berpotensi sebagai tabir surya dibandingkan dengan kulit buah kopi dari KIKB. ------- Coffee fruit peels contain secondary metabolites such as chlorogenic acid, caffeic acid, and total anthocyanins. The levels of secondary metabolites can be influenced by growing location, environment, rainfall, and sun exposure. This study aims to analyze the phenolic content, total flavonoid, and Sun Protection Factor (SPF) values from two different regions, namely Kecamatan Ibun Kabupaten Bandung (KIKB) and Kecamatan Leles Kabupaten Garut (KLKG). The extraction method used is Soxhlet with a gradient of solvents: n-hexane, ethyl acetate, and 96% ethanol. Phenolic content is determined using the Folin-Ciocalteu method, flavonoid content with the colorimetric method, and SPF values are calculated using the Mansur equation. The results showed that the highest phenolic content, total flavonoid, and SPF values in 96% ethanol extract from KLKG were 3.544 g GAE/100 g, 10.805 g QE/100 g, and 23.175 with ultra protection type, respectively. Statistical analysis results indicated that the phenolic content, total flavonoid, and SPF values of coffee fruit peels from KIKB and KLKG were significantly different. It can be concluded that the difference in growing location can affect the secondary metabolite content such as phenolics and flavonoids. Coffee fruit peel extract from KLKG has more potential as a sunscreen compared to coffee fruit peel from KIKB.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Kulit, Kopi, Fenolik, Flavonoid, SPF. ----- Peel, Coffee, Phenolics, Flavonoids, SPF. |
| Subjects: | Q Science > Q Science (General) R Medicine > RV Botanic, Thomsonian, and eclectic medicine |
| Divisions: | Program Studi S1 Farmasi |
| Depositing User: | pustakawan - - |
| Date Deposited: | 28 Aug 2024 03:12 |
| Last Modified: | 28 Aug 2024 03:12 |
| URI: | http://repository.stfi.ac.id/id/eprint/1086 |
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