42
DAFTAR PUSTAKA
Al, S. (2009). Metabolisme Nitrogen. Materi yang disampaikan pada pendampingan Tim Olimpiade Biologi. Purworejo : FMIPA UNY. Diakses 10 Mei 2016.
Aydin, A., Ercan, Ö., dan Taşcioğlu, S. (2005). A Novel Method For The Spectrophotometric Determination Of Nitrite In Water. Journal Food
Additive And Contaminant. 6(1): 1181-1186.
Beda, N., dan Nedospasov, A. (2005). A Spectrophotometric Assay For Nitrate In An Axcess Of Nitrite. Journal of Nitrite Oxide. 13(1) : 93-97.
Bernhard, A. (2010). The Nitrogen Cycle: Processes, Players, and Human Impact. Nature Education Knowledge 2(2):12. Halaman 1-9.
Chung, J.C., Chou, S.S. dan Hwang, D.F. (2004). Changes In Nitrate And Nitrite Content of Four Vegetables During Storage At Refrigerated And Ambient Temperatures. Journal Food Additive And Contaminant. 21(4): 317 – 322. Chou, S. S., Chung, J. C. dan Hwang, D. F. (2003). A High Performance Liquid Chromatography Method for Determining Nitrate and Nitrit Levels in Vegetables. Jurnal of Food and Drug Analysis. 11(3): 223 dan 227.
Darjamuni. (2003). Siklus Nitrogen di Laut. Bogor: IPB. Halaman 5-8.
EFSA. (2008). Nitrate in Vegetables: Scientific Opinion of The Panel on Contaminants in The Food Chain. The EFSA Journal. 689 : 1-79.
Gardjito, M., Salfarino, R., dan Handayani, W. (2015). Penanganan Segar
Hortikultura untuk Penyimpanan dan Pemasaran. Jakarta : Prenadamedia
Grup. Halaman 108-109
Garrett, R.H., dan Grisham, C.M. (2010). Biochemistry. Fourth edition. USA : Mary Fich. Halaman 768-790.
Harmita. (2004). Petunjuk Pelaksanaan Validasi Metode dan Cara
Perhitungannya. Majalah Ilmu Kefarmasian. 1(3): 117 - 135.
Herbarium Medanense. (2016). Hasil Identifikasi. Herbarium Medanense (MEDA) Universitas Sumatera Utara. Medan.
Hess, J. (2000). Meat and Meat Products. Dalam : Horwitz, W. (2000). Official
Methods Of Analysis Of AOAC International. Edisi XVII. Virginia :
AOAC Inc. Halaman 8.
43
Jimidar, M., Hartmann, C., Cousement, N., dan Massart, D.L. (1995). Determination Of Nitrate And Nitrite In Vegetables By Cappilary Electrophoresis With Indirect Detection. Elsevier. Journal of
chromatography. 706: 479-472.
Keeton, J.T., Osburn, W.N., Hardin, M.D., dan Bryan, N.S. (2009). A National Survey of the Nitrite/Nitrate Concentrations in Cured Meat Products and Non-meat Foods Available at Retail - NPB. Research Report Human
Nutrition. 08: 63.
Lundberg, J.O (2009). Cardiovascular Prevention by Dietary Nitrate And Nitrite.
Am J Physiol Heart Circ Physiol. 296: 1221
Manan, M.H.A. (2006). Membuat Reagen Kimia. Jakarta : Bumi aksara. Halaman 36-100.
Masfria, Muchlisyam, Nurmadjuzita, Siti, N., Tuty, R. P., Chairul, A. D., Yade, M. P. (2013). Buku Ajar Analisis Farmasi Kualitatif. Medan: USU Press. Halaman 34-35.
Maynard, D.N., Barker, A.V., Minotti, P.L., and Peck, N.H. (1976). Nitrate
Accumulation In Vegetables. Advances In Agronomy 28. Halaman
71-118.
Miranda, K.N., Espey, M.G., dan Wink, D.A. (2001). A Rapid, Simple Spectrophotometric Method For Simultaneous Detection Of Nitrate And Nitrite. Academic Press. Vol. 5 No. 1. Halaman 62-71.
Özdestan, Ö., dan Üren, A. (2011). Effects of Boiling Parameters on the Level of Nitrate, Nitrite and Colour Values of Wild Radish (Raphanus
raphanistrum). GIDA 2011 36 (4): 193-200.
Pujiyanto, S. (2015). Menjelajah Dunia Biologi. Jakarta : tiga serangkai pustaka mandiri. Halaman 291-293.
Purba, M., Launeta., Ashar, T., Santi, D., dan Nuraini. (2012). Pola Pemupukan Dan Analisa Kandungan Nitrat Pada Sayur Brokoli (Brassica Oleraceae Cv. Brocolli) Di Pertanian Desa Merdeka Kecamatan Merdeka Kabupaten Karo Tahun 2012. Medan: Repository USU. Halaman 1 – 9.
Raczuk, J., Wadas, W., dan Glozak, K. (2014). Nitrates and Nitrites in Selected Vegetables Purchased at Supermarkets in Siedlce, Poland. Rocz Panstw
Zakl Hig. 2014. 65(1): 16, 18-19.
Rohman, A. (2007). Kimia Farnasi Analisis. Cetakan I. Yogyakarta: Penerbit Pustaka Pelajar. Halaman 252 - 255.
44
Sastrohamidjojo. (1991). Dasar-dasar Spektroskopi. Yogyakarta: UGM. Halaman 8.
Shimada, Y., dan Ko, S. (2004). Nitrate in vegetables. Chugokugakuen journal. Vol 3. Pp 7-10.
Silalahi, J. (2005). Masalah Nitrit dan Nitrat dalam Makanan. Medika Jurnal
Kedokteran Indonesia. 31(7): 460 - 461.
Simoes, L. S., Candida, T.A.V., dan Frausto, S. (1979). Selection of Analytical Methods for the Determination of Nitrate and Nitrit in Vegetables. Rev.
Port. Quim. 21: 61.
Sudarminto. (2015). Peluang Usaha Tani Brokoli. Prospek, Khasiat Dan
Panduan Budidaya. Seri Pertanian Modern. Yogyakarta: Pustaka Baru
Press. Halaman 130-132.
Sudjana. (2005). Metode Statistika. Edisi VI. Bandung: Tarsito. Halaman 93, 168. Tamme, T., Reinik, M., Pussa, T., Roasto, M., Meremae, K., dan Kiss, A. (2010).
Dynamics Of Nitrate And Nitrite Content During Storage Of Homa Made And Small Scale Industrially Produced Raw Vegetables Juices And Their Dietary Intake. Journal of Food Additivies And Contaminants. (4): 27, 487-495.
Vogel, A. I. (1979). Textbook Of Macro and Semimicro Qualitative Inorganic
Analysis. Penerjemah: Setiono, L., dan Pudjaatmaka, A. H. (1985). Buku Teks Analisis Anorganik Kualitatif Makro dan Semimikro. Edisi V.
Jakarta: PT. Kalman Media Pusaka. Halaman 332 dan 356.
Walters, C.L. (1996). Nitrate and Nitrite In Foods. In : Walters, M. (2000).
Nitrates and Nitrites In Foods and Water. Cambridge: Woodhead
Publishing Limited. Halaman 97.
Watson, D.G. (2005). Pharmaceutical Analysis: A Textbook for Pharmacy
Students and Pharmaceutical Chemists. Penerjemah: Syarief, W. R.
(2007). Analisis Farmasi. Edisi II. Jakarta: Buku Kedokteran EGC. Halamasn 13.