Penetapan Kadar Kofein Daun Kopi Kawa ( Coffea Robusta ,Lind )

Roslinda Rasyid, Winaldi Fitra Sanjaya, Zulharmita Zulharmita

Sari


Research has been done on the determination of caffeine that leaves Kawa Coffee  ( Coffea robusta Linden ex DE Wildem ) by using  Soxlhetation method. Coffein from extraction purified by preparative TLC mobile phase solution  chloroform : methanol ( 9:1 ).The constration of pure Coffein from preparative TLC has been determinedby using Spectrophotometer Uv-Vis T -70 .The result Coffea Kawa leaves (Coffea robusta Limden ex De Wildem )   is 0.7 % w/w

Kata Kunci


Coffein , Coffea robusta, Spectrometri UV –Vis

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Referensi


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DOI: http://dx.doi.org/10.52689/higea.v5i2.85

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