DAFTAR ISI

HalamanLEMBAR PENGESAHAN.....................................................................................iKATA PENGANTAR..............................................................................................iiDAFTAR ISI.............................................................................................................vBAB I PENDAHULUAN.........................................................................................1

1.1 Latar Belakang............................................................................................11.2 Tujuan Penelitian........................................................................................21.3 Manfaat Penelitian......................................................................................31.4 Waktu dan Tempat Penelitian.....................................................................3

BAB II TINJAUAN PUSTAKA.............................................................................42.1 Definisi Umum Tanin................................................................................4

2.1.1 Sumber Tanin.....................................................................................42.1.2 Klasifikasi Tanin................................................................................52.1.3 Kebutuhan Nutrisi..............................................................................6

2.2 Deskripsi Khusus Tanin............................................................................72.3 Deskripsi Rosela........................................................................................9

2.3.1 Nama dan Penggolongan Rosela.......................................................102.3.2 Klasifikasi Tanaman Rosela..............................................................112.3.3 Morfologi Tanaman Rosela...............................................................122.3.4 Kandungan Rosela.............................................................................142.3.5 Sifat dan Khasiat Rosela....................................................................14

BAB III METODOLOGI PENELITIAN..............................................................233.1 Alat............................................................................................................233.2 Bahan.........................................................................................................233.3 Metode Penelitian......................................................................................24

3.3.1 Determinasi........................................................................................243.3.2 Pengumpulan Bahan..........................................................................243.3.3 Prosedur Pembuatan Bahan...............................................................24

3.4 Prosedur Kerja...........................................................................................273.4.1 Ekstraksi Vitamin C...........................................................................273.4.2 Pembakuan Na2S2O3 dengan K2Cr2O7................................................283.4.3 Pembakuan I2 dengan Na2S2O3...........................................................283.4.4 Penetapan Kadar Vitamin C...............................................................29

DAFTAR PUSTAKA...............................................................................................44

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