Aktivitas Antioksidan dan Kualitas Organoleptik Kopi Bubuk Non Kafein dari Biji Pepaya dan Buah Nangka dengan Lama Penyangraian yang Berbeda
Generally coffee drink is a beverage produced from the processing of coffee beans. It's containing high caffeine that if consumed in excessive amounts will adversely affect the health, because it have been decaffeination technology to reduce levels of caffeine in the coffee. But the technology...
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2016.
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| Summary: | Generally coffee drink is a beverage produced from the processing of coffee beans. It's containing high caffeine that if consumed in excessive amounts will adversely affect the health, because it have been decaffeination technology to reduce levels of caffeine in the coffee. But the technology was considered too expensive. The coffee drinks are made from papaya seeds combined with jackfruit be an alternative to decaffeinated coffee. This study aims to determine the organoleptic qualities (color, texture, flavour, taste) and antioxidant activity of coffee powder from a combination of papaya seed and jackfruit with different long roasting. This research method using a completely randomized design (CRD) with two factors. The first factor is papaya seeds compare with jackfruit (K) that 50g: 100g (K1), 75g: 75g (K2), and 100g: 50g (K3). The second factor is roasting duration 12 minutes (L1), 14 minutes (L2), and 16 minutes (L3). Testing of antioxidant activity with DPPH (1,1-diphenyl-2-picrylhydrazyl) by means of UV-Vis Spectrophotometer at a wavelength of 520 nm. The test results are the highest antioxidant activity in treatment K3L1 by 95.19% and the lowest in treatment K1L3 of 86.77%. Data were analyzed by analysis of variance SPSS two lanes (Two Way Anova) shows the influence of two factors on the quality of coffee products. The most preferred product criteria panelists namely coffee with brownish black color, smooth pulpy texture, scent flavour, and bitter taste. |
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| Item Description: | https://eprints.ums.ac.id/42989/1/NASKAH%20PUBLIKASI.pdf https://eprints.ums.ac.id/42989/10/1.%20HALAMAN%20DEPAN.pdf https://eprints.ums.ac.id/42989/11/2.%20BAB%20I.pdf https://eprints.ums.ac.id/42989/16/3.%20BAB%20II.pdf https://eprints.ums.ac.id/42989/17/4.%20BAB%20III.pdf https://eprints.ums.ac.id/42989/18/5.%20BAB%20IV.pdf https://eprints.ums.ac.id/42989/19/6.%20BAB%20V.pdf https://eprints.ums.ac.id/42989/25/7.%20DAFTAR%20PUSTAKA.pdf https://eprints.ums.ac.id/42989/26/8.%20LAMPIRAN.pdf https://eprints.ums.ac.id/42989/27/SURAT%20PERNYATAAN%20PUBLIKASI%20ILMIAH.pdf |