PENENTUAN SUHU DAN WAKTU OPTIMUM PENYEDUHAN BATANG TEH HIJAU (Camelia Sinensis L.) TERHADAP KANDUNGAN ANTIOKSIDAN KAFEIN, TANIN DAN KATEKIN
Journal Title: Lantanida Journal - Year 2018, Vol 6, Issue 1
Abstract
Tea is one of kind drink that most be preferred and consumed the tea community around the world, even most common of the community utilized tea as a healthy drink because it contains antioxidants. Antioxidants can protect cells from damage that caused by the unstable molecules. The determination of tea temperature and optimum time were aimed to know how the influence of the caffeine content of antioxidants, tannin and chatecine. In a flood expected to contain low caffeine levels with high polyphenols.The method in this research was an extraction method that analyzed by using UV-Vis a spectrophotometer. The results showed that the lowest caffeine level was at a temperature 70°C for 15 minutes of 0.51 %, the highest levels of tannin was at the brewing temperature 70°C for 5 minutes of 4.783 %, the highest cetacean levels were at the brewing temperature 85°C for 5 minutes of 1.14 %. So that, the optimum condition was obtained at the brewing temperature70°C for 5 minutes, which have antioxidant activity about 56.75%.
Authors and Affiliations
nurul mutmainnah, sitti chadijah, muh. qaddafi
Keywords
Related Articles
- EP ID EP646827
- DOI 10.22373/lj.v6i1.1984
- Views 61
- Downloads 0
PENGGUNAAN MODEL PEMECAHAN MASALAH UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR ANALISIS PESERTA DIDIK PADA MATERI GRAVITASI NEWTON
Mathematical analytics Important, analytical skills When students are able to understand analysis in physics learning, students will be able to answer questions with questions that are different from the examples given b...
INTEGRASI NILAI-NILAI ANTI KORUPSI PADA MATA PELAJARAN KIMIA MELALUI MEDIA GAME ULAR TANGGA
This research moved from the unfolding phenomenon of corruption cases in Indonesia which is on evidence of unsuccesfull education world. One of the efforts is to arouse creativity, confidence, and passion to always be pr...
DEGRADASI SENYAWA PARAQUAT DALAM PESTISIDA GRAMOXONE SECARA SONOLISIS DENGAN PENAMBAHAN ZnO
Degradation of paraquat in gramoxone pesticide had been done by sonolysis with adding ZnO. Sonolysis method were performed using an ultrasound with frequency 50 kHz. The optimum condition of sonolysis were found at tempe...
ANALISIS KADAR KAFEIN DALAM MINUMAN KOPI KHOP ACEH DENGAN METODE SPEKTROSKOPIK
In addition of being dubbed as the city of "Serambi Mekah", Aceh is also famous as the city of "Thousand Coffee Shops". One of coffee dish that attracts consumers' is khop coffee (read: kopi khop) because it is served wi...
STUDI KASUS MATERI PERTUMBUHAN DAN PERKEMBANGAN TUMBUHAN DI SMA 12 BANDA ACEH
Learning activities are planned educational activities to gain knowledge and insight, and it can change a person's behavior toward maturity. Learning also processes that affect the understanding of the value that predisp...