Pembuatan Kafein Benzoat Secara Semisintetis Dari Serbuk Teh Kayu Aro
Abstrak: Caffeine benzoate
semisynthetis had been create from tea powder which produced by PTP Nusantara
VI Kayu Aro, District of Kerinci, Province of Jambi. Caffeine was isolated from
25 grams of tea powder by fractionated and crystallized to obtained 102 mg of
caffeine crystals. Caffeine crystals isolated as much as 50 mg was reacted with
32 mg of benzoic acid the result was 30 mg of caffeine benzoate. Caffeine
benzoate was characterized which organoleptic form was fine powder,
greenish-white color, bitter taste, and distinctive odor. Melting point was 196
oC. Infrared spectrum showed group O-H at wave number 2700-2500 cm-1, which it
did not show on spectrum caffeine crystals. The maximum absorption wavelength
was obtained 273.5 nm. Profile of thin-layer chromatography which stationary phase
silika gel 60 F254 and mobile phase chloroform : ethanol (99:1) was obtained Rf
value 0.35.
Kata Kunci: Caffeine Benzoate;
Semisynthetis; Tea Powder Kayu Aro
Penulis: Fitra Fauziah, Zulharmita,
Wahyu Ningsih
Kode Jurnal: jpfarmasidd170356
