Zulfa, Dwi Sita Indana (2025) Uji Mutu Dan Uji Hedonik Lilin Aromaterapi Dengan Penambahan Minyak Ampas Kopi Arabika (Coffea arabica L.) Sisa Seduhan Espresso. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
Coffee consumption in Indonesia continues to increase along with the growth of coffee shops, resulting in large amounts of coffee grounds waste. Most coffee grounds are disposed of in landfills and have the potential to pollute the environment due to their toxic compounds such as 2,1% alkaloids, 21,02% tannins, and 3,61-6,79 mg GAE/gram polyphenols. Coffee grounds still contain aromatic and volatile compounds that can be used as a base for aromatherapy candles. The aroma of coffee is known to have a relaxing effect, thus potentially being used as an alternative solution to reduce stress, including in students. The research was conducted from May to July 2025 at the Agricultural Product Processing Laboratory of the Jember State Polytechnic. The aromatherapy candles that have been made will be tested for quality in the form of melting point and burning time, as well as a hedonic test involving 30 panelists. The research used a non-factorial Randomized Block Design consisting of 5 treatments P0 = control, P1 = 6% coffee grounds oil + 1 g coffee grounds, P2 = 6% coffee grounds oil, P3 = 12% coffee grounds oil + 1 g coffee grounds, P4 = 12% coffee grounds oil. The results showed that differences in coffee grounds oil formulation significantly affected the quality of aromatherapy candles. The addition of coffee grounds oil lowered the melting point and extended the burning time, with the best treatment obtained at P4 (12% coffee grounds oil) which had the lowest melting point (54.75°C) and a longer burning time (15.36 hours/minute) compared to the control. The hedonic test showed that the treatment significantly affected the physical appearance, color, and overall, but did not significantly affect the aroma. Panelists preferred candles with the addition of 12% coffee grounds oil (P4) because it produced a smoother surface, uniform color, and better overall quality. In conclusion, P4 (12% coffee grounds oil) is the best treatment in producing aromatherapy candles with good quality and a high level of panelist acceptance.
Item Type: | Thesis (Undergraduate) | ||||||
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Uncontrolled Keywords: | Ampas Kopi, Lilin Aromaterapi, Uji Mutu, Uji Hedonik. | ||||||
Subjects: | 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 154 - Budidaya Pertanian dan Perkebunan 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 155 - Perkebunan 140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 162 - Teknologi Hasil Pertanian 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 435 - Teknik Industri |
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Divisions: | Jurusan Produksi Pertanian > Prodi D4 Pengelolaan Perkebunan Kopi > Tugas Akhir | ||||||
Depositing User: | Dwi Sita Indana Zulfa | ||||||
Date Deposited: | 01 Oct 2025 00:50 | ||||||
Last Modified: | 01 Oct 2025 00:51 | ||||||
URI: | https://sipora.polije.ac.id/id/eprint/47008 |
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