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All Journal Jurnal Sains dan Teknologi Farmasi Indonesian Journal of Pharmaceutical Science and Technology MEDISAINS JSFK (Jurnal Sains Farmasi & Klinis) Jurnal Farmasi Higea Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Jurnal Geografi, Lingkungan dan Kesehatan
Fithriani Armin
Fakultas Farmasi Universitas Andalas
Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Education Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Analisis Kadar Vitamin B1 dalam Kacang Panjang (Vigna sinensis L.) Menggunakan Spektrofotometri Ultraviolet-Visible Armin, Fithriani; Andayani, Regina; Hilson, Denny; Azzaky, Azzaky
Jurnal Geografi, Lingkungan dan Kesehatan Vol 1 No 1 (2023): Jurnal Geografi, Lingkungan dan Kesehatan
Publisher : Program Studi Pendidikan Geografi Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jglk.1.1.9977

Abstract

A Research of vitamin B1 in long beans (Vigna sinensis L.) analyzed using ultraviolet-visible (uv-vis) spectrophotometry has been carried out at a wavelength of 435.6 nm. Vitamin B1 reacted with bromthymol blue to form a yellow ion-associated complex in an ammonia-ammonium chloride as a buffer solution pH 7.6 which could be observed with a polyvinyl alcohol solubilizing agent. Long beans were boiled in water for 5, 10 and 15 minutes at 100oC. Vitamin B1 in long beans (Vigna sinensis L.) without boiling 0.0981 % ± 0.00021, boiling 5, 10 and 15 minutes were 0.0935 % ± 0.00015; 0.0834 % ± 0.00010 and 0.0743 % ± 0.00010 and the vitamin B1 in the long bean boiled water at 5, 10 and 15 minutes boiling were 0.00102 % ± 0.000004; 0.00110 % and 0.00117 % ± 0.00001. It’s can be concluded that boiling long beans (Vigna sinensis L.) can cause a decrease in vitamin B1 which decreases with increasing boiling time and vitamin B1 in the cooking water increase due to the nature of vitamin B1 which is easily soluble in water
Co-Authors Adek Zamrud Adnan Andayani, Regina Andira, Retno Permata Azzaky, Azzaky Bita Revira Dinda Rama Firda Ehrlich Von Dantes Ermadanis Ermadanis Faridah BD, Faridah BD Fatiya Juwita Hanum Fitriah, Iin Prima Hayatun Nufus Hilson, Denny Ida Rahmah Burhan Lisa Rahmawati Mahyuddin Mahyuddin Nike Sari Oktavia Nurul Hidayati Roslinda Rasyid Rusdi Rusdi Saputri, Lita Angelina Sri Indah Kesuma Yuli Yani Dewi Zulharmita Zulharmita Zulharmita Zulharmita