PENGARUH SUHU DAN WAKTU EKSTRAKSI TERHADAP KAFEIN DALAM KOPI
DOI:
https://doi.org/10.22373/lj.v6i2.3811Keywords:
Arabica coffee, Caffeine content, UV-Vis spectrophotometryAbstract
This study was conducted to determine the effect of temperature and time on the acquisition of caffeine content in coffee by UV-Vis Spectrophotometry method. The study was conducted in the AKAFARMA Laboratory of YHB Banda Aceh and the Chemical Laboratory of FMIPA Unsyiah. The sample in this study is Arabica coffee powder produced by Solong Ulee Kareng which was intentionally taken. The results showed that based on temperature, the lowest caffeine content was found at 50 °C immersion temperature, which was 0.0275 mg/g and the highest level was at 100 °C soaking temperature, which was 0.181 mg/g. Whereas, based on the time when the highest caffeine content is found at 1 hour immersion at 50 °C was about 0.0675 mg/g, at 1 hour immersion at 70 °C was about 0.0862 mg/g, and at 1 hour immersion at 100 °C was about 0.181 mg/g. The temperature and extraction time have influenced on caffeine levels in Arabica coffee. The longer the time and the higher the extraction temperature, the more extracted caffeine could be found.
References
Basset,J., 1994, Kimia Analisis Kuantitatif Anorganik, Jakarta: ECG
Burnham, T. A., 2001, Drug Fact and Comparison, St Louis: A Wolters Kluwers Company.
Coffeefag, 2001, Frequently Asked Questions about Caffeine. (diakses: 25 Januari 2019).
Farmakologi UI, 2002, Farmakologi dan Terapi Edisi 4. Jakarta: Gaya Baru.
Fenni, O., 2012, Khasiat Bombatis Kopi, Jakarta: Gramedia.
Harbone, J. B., 1973, Phytochemical Methods Terbitan ke-2 diterjemahkan oleh osasih Padmawinata dan Iwang Sudiro, Bandung : ITB.
Hidayati, A., 2007, Bahan Kimia Sampling, Jakarta: Kedokteran EGC.
Isnidar., W., S., Widyarini, S., dan Yuswanto. 2016. Analisis Kandungan Kafein pada Ekstrak Buah Kopi Mentah dari Perkebunan Merapi Daerah Istimewa Yogyakarta Mengggunakan Spektofotometri UV-Vis, Jurnal Ilmiah Farmasi Unsrat, 5 (2): 187-190.
Maramis, R., Citraningtyas, G., dan Wehantouw, F., 2013, Analisis Kafein dalam Kopi Bubuk di Kota Manado Menggunakan Spektrofotometri UV-Vis. Jurnal Ilmiah Farmasi. Manado: FMIPA UNSRAT, 2(4): 122-123.
Ningsih, R., 2014, Pengaruh Suhu dan Waktu Penyeduhan Teh Celup Terhadap Kadar Kafein. Skripsi. Universitas Muhamadiyah Surakarta.
Mulato, S., 2001, Pelarutan Kafein Biji Robusta dengan Kolom Tetap Menggunakan Pelarut Air, Jakarta: Pelita Perkebunan.
Nugraha, D., Yusuf, A., dan Lismayani, 2014, Penetapan Kadar Kafein Kopi Bubuk Hitam Merek “K” dengan Metode Spektrofotometri UV-Vis. Jurnal. Ciamis: Stikes Muhamadiah, 1(2) : 11-12.
Nurdiana dan Samosir, N. E., 2013, Pengaruh Kafein terhadap Kualitas Tidur Mahasiswa Fakultas Kedokteran Universitas Sumatera Utara. Jurnal FK-USU, 1(1) : 1–5.
Putri, D., 2015, Pengaruh Suhu dan Waktu Kadar Kafein dalam Teh Hitam. Jurnal. Surabaya : Institut Teknologi Sepuluh November, 4(2):105.
Rahardjo, P., 2012, Panduan Budidaya dan Pengolahan Kopi Arabika dan Robusta, Jakarta: Penebar Swadaya.
Rohdiana, 2008, Manfaat dan Bahaya Kandungan Kafein dalam Kopi, Jurnal, Semarang : Universitas Diponegoro, 3(1): 16-17.
Rohman, A., 2007, Kimia Farmasi Analisis, Yogyakarta: Pustaka Pelajar.
Sofwan, R., 2013, Bugar Selalu di Tempat Kerja, Jakarta: PT. Bhuana Ilmu Populer.
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