Aisyah (2015) Analisis Kandungan Alkohol Dalam Minuman Nabidz Dengan Kromatografi Gas-Fid. Skripsi thesis, Universitas Airlangga.
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Abstract
Nabidz is a drink prepared by immersion of Date (Phoenix dactylifera) in water. Nabidz should not be consumed more than three days, because it is categorized into khamr in Islam. Khamr is usually related to alcohol content such as ethanol. Since the major content of nabidz is carbohydrate, nabidz contains probably alcohol compound formed after its preparation and storage. The objective of the present study was to analyze the nabidz whether it contains alcohol compounds. Prior to analysis, the method is validated in terms of selectivity, linearity, range, precision, accuracy, LOD and LOQ. Gas chromatography Agilent 6890 Series GC system, with a Flame Ionization Detector (FID) and a column HP-5 (5% Phenyl 95% Methyl Siloxane) was used in this study. Optimal conditions were obtained by using temperature of inlet and detector of 2500 C, whilst the temperature of oven programed initially at 400 C, hold for 5 minutes, raised 50 C/min to 2000 C. Split ratio was set at 50: 1 and the injection volume was 1.0 μl. The proposed method is selective, demonstrating a good linearity with r = 0.9983 with precision and accuracy of 0.5326% and 90.48%, respectively. The Application of the method yielded that the nabidz samples was found to contain alcohol. The Results of quantitative analysis of ethanol content in nabidz in five different days of storages were 3.52.10-3 % v/v; 3.43.10-3 % v/v; 4.52.10-3 % v/v; 5.64.10-3 % v/v; 6.67.10-3 % v/v and 6.98.10-3 % v/v in 0 Day, 1st Day, 2nd Day, 3rd Day, 4th Day and 5th Day, respectively. Keywords: Phoenix dactylifera, ethanol, gas chromatography, validation method
| Item Type: | Thesis (Skripsi) | |||||||||
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| Additional Information: | KKB KK-2 FF.-KF-40-15-Ais-a | |||||||||
| Uncontrolled Keywords: | Phoenix dactylifera, ethanol, gas chromatography, validation method | |||||||||
| Subjects: | R Medicine > RS Pharmacy and materia medica > RS1-441 Pharmacy and materia medica | |||||||||
| Divisions: | 05. Fakultas Farmasi > Kimia Farmasi | |||||||||
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| Depositing User: | Nurma Harumiaty | |||||||||
| Date Deposited: | 30 May 2017 17:37 | |||||||||
| Last Modified: | 25 May 2020 10:32 | |||||||||
| URI: | http://repository.unair.ac.id/id/eprint/57782 | |||||||||
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