THE EFFECT OF ADDITIONAL ARABICA GROUND COFFEE ON THE FERMENTATION PROCESS ON ORGANOLEPTIC QUALITY OF COW’S MILK KEFIR
Abstract
This study aims to determine the effect of adding arabica ground coffee to the fermentation process on the orga- noleptic quality of cow’s milk kefir. The experimental design used was a completely randomized design (CRD) with five treatments and three replications, namely kefir with the addition of 0% arabica ground coffee (P0), kefir with the addition of 1% arabica ground coffee (P1), kefir with the addition of 2% arabica ground coffee. (P2), kefir with the addition of 3% arabica ground coffee (P3) and kefir with the addition of 4% arabica ground coffee (P4). The va- riables observed include color, aroma, taste, texture and overall acceptance. Analysis on color, aroma and taste sho- wed significantly different results (P <0.05) with a numerical scale of 3-4.72 respectively from white to light brown, 2.76-4.88 from sour to coffee flavored and 2.76-4.68 from very sour to bitter acid. Analysis on texture showed that P0 and P1 were not significantly different (P> 0.05) but P2, P3 and P4 were significantly different (P <0.05) from P0 with a numerical scale of 3-3.52 from ordinary to slightly soft. The analysis of the level of liking on the overall acceptance shows that P0, P1 and P2 are not significantly different (P>0,05), but P3 and P4 are significantly diffe- rent (P<0,05) with a numerical scale of 3.08-4.36 from ordinary to like. Based on the results of this study, it can be concluded that the addition of 4% Arabica ground coffee is the most preferred by the panelists.
Downloads
References
Beshkova, D.M., E.D. Simova, G.I. Frengova, Z.I. Simov, Z.P. Dimitrov, 2003. Production of volatile aroma compounds by kefir starter cultures. International
Dairy Journal. 13:529-535.
Chandra, D., R.H. Ismono, dan E. Kasymir. 2013. Prospek
perdagangan kopi robusta Indonesia di pasar inter-
nasional. Jurnal Ilmu-ilmu Agribisnis. 1(1):10-15. Chang, S.Y., D.H. Kim, and M.J. Han. 2010. Physicoc- hemical and sensory characteristics of soy yoghurt fermented with Bidobacterium breve K-110, Streptococcus thermophilus 3781, or Lactobacil- lus acidophilus Q509011. Food Sci. Biotechnol.
19(1):107-113.
Daswin, N.B.T. dan E.S. Nelly. 2013. Pengaruh kafein
terhadap kualitas tidur mahasiswa Fakultas Ke- dokteran Universitas Sumatra Utara. E Jurnal FK USU. 1(1):1-5.
Direktorat Jenderal Perkebunan. 2016. Statistik Perke- bunan Indonesia: Kopi 2015-2017. Kementerian Pertanian. Jakarta.
Farida, A.E.R.R. dan A.C. Kumoro. 2013. Penurunan kadar kafein dan asam total pada biji kopi robusta menggunakan teknologi fermentasi anaerob fakul- tatif dengan mikroba nopkor mz-15. Jurnal Tekno- logi Kimia dan Industri. 2(2):70–75.
Fujioka, K. and T. Shibamoto. 2008. Cholorogenic acid and caffeine contents in various commercial brewed coffes. Food Chem. 106:217-221.
Ginting, N. dan E. Pasaribu. 2005. Pengaruh temperatur dalam pembuatan yogurt dari berbagai jenis susu dengan menggunakan Lactobacillus bulgaricus dan Streptococcus thermophilus. Jurnal Agribisnis Peternakan. 1(2):73-77.
Hadipernata, M. dan S. Nugraha. 2012. Identifikasi fisik, kimia dan mikrobiologi biji kopi luwak sebagai dasar acuan teknologi proses kopi luwak artifisial. Jurnal Kementerian Pertanian. 372:117-121.
Lindawati, S.A., N.G.K. Roni, N.P. Mariani, dan A.A.P.P. Wibawa. 2019. Susu fermentasi kefir sebagai anti hipertensi melalui penghambatan angiotensin con- verting enzyme. Swasta Nulus. Denpasar.
Lindawati, S.A., N.L.P. Sriyani, M. Hartawan, dan I.G. Suranjaya. 2015. Study mikrobiologis kefir dengan waktu simpan berbeda. Majalah Ilmiah Peternakan. 18(3):95-99.
Michael., B.B.R. Sidartha, dan L.M.E. Purwijantiningsih. 2014. Potensi kefir sebagai anti bakteri Propionibac- terium acnes. Jurnal Teknobiologi. 1-13.
Miwada, I. N. S., S. A. Lindawati., dan W. Tatang. 2006. Tingkat efektifitas stater bakteri asam laktat pada proses fermentasi laktosa susu. J. Indon. Trop. Anim. Agric. 31(1):32-35.
Muchtadi, T.R., Sugiyono, dan F. Ayustaningwarno. 1992. Ilmu Pengetahuan Bahan Pangan (Petunjuk
Laboratorium). IPB Press. Bogor.
Ot’es, S. and O. Cagindi. 2003. Kefir: a probiotic da-
iry-com-position nutritional and therapeutic aspec-
ts. Pakistan J. of Nutrition. 2(2):54-59. Purnamayanti, P.A., I.P. Gunadnya, dan G. Arda. 2017. Pengaruh suhu dan lama penyangraian terhadap karakteristik fisik dan mutu sensori kopi arabika (Coffea arabica L). Jurnal Beta (Biosistem dan
Teknik Pertanian). 5(2):39-48.
Ridwansyah. 2003. Pengolahan Kopi. Departemen Tek-
nologi Pertanian. Fakultas Pertanian. Universitas
Sumatera Utara. Medan.
Sari, L.I. 2001. Mempelajari Proses Pengolahan Kopi
Bubuk (Coffea canephora) Alternatif dengan Meng- gunakan Suhu dan Tekanan Rendah. Skripsi S1. Tidak Dipublikasikan. Fakultas Teknologi Pertanian Institut Pertanian Bogor, Bogor.
Sivetz, M. 1979. Coffee Technology. The AVI Publishing Company, Inc., Westport, Connecticut.
Steel, C.J. dan J.H. Torrie. 1995. Prinsip dan Prosedur Statistik. PT. Gramedia. Jakarta.
Sugitha dan Djalil. 1989. Susu: Pengolahan dan Teknolo- ginya. Teknologi Hasil Ternak, Fakultas Peternakan, Universitas Andalas. Padang.
Tamime, A.Y. dan H.C. Deeth. 1980. Yoghurt: Technology and Biochemistry. J. Food Protect. 43(12):939-977. Tawali, A.B., N. Abdullah, dan B.S. Wiranata. 2018. Pengaruh fermentasi menggunakan bakteri asam laktat yoghurt terhadap citarasa kopi robusta (Coffea robusta). Canrea J: Food Technol. Nutr.
Culinary J. 90-97.
Thohari, I. 2012. Fisiko-Kimia Kefir Susu Kambing dan Preferensi Konsumen di Jawa Timur. Disertasi. Pascasarjana. Fakultas Peternakan. Universitas Brawijaya. Malang.
Uiterwaal, C.S., W.M. Verschuren, H.B. Bueno-de-Mes- quita, M. Ocké, J.M. Geleijnse, H.C. Boshuizen, P.H. Peeters, E.J. Feskens, and D.E. Grobbee, 2007. Cof- fee intake and incidence of hypertension. American J. Clin. Nutr. 85(3):718-723.
Usmiati, S. 2007. Kefir susu fermentasi dengan rasa menyegarkan. Warta Penelitian dan Pengembangan Pascapanen Pertanian. 29(2):111-112.
Velmourougane, K. 2011. Effects of wet processing met- hods and subsequent soaking of coffee under diffe- rent organic acids on cup quality. World Journal of Science and Technology. 1(7):32-38.
Widodo, W. 2003. Bioteknologi Industri Susu Yogyakar- ta. Lacticia Press. Jawa Barat.