ANALISA KADAR LIKOPEN PADA PASTA TOMAT DENGAN MENGGUNAKAN SPEKTROFOTOMETER GENESYS 20 VISIBLE (Analysis Content of Lycopen on Tomato Pasta using Genesys 20 Visible Spectrophotometer)

APRILIANI, SOBIROTUN (2015) ANALISA KADAR LIKOPEN PADA PASTA TOMAT DENGAN MENGGUNAKAN SPEKTROFOTOMETER GENESYS 20 VISIBLE (Analysis Content of Lycopen on Tomato Pasta using Genesys 20 Visible Spectrophotometer). Undergraduate thesis, Undip.

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Abstract

Tomato (Lycopersicum esculentum) is one of the products that have the potential agriculture, healthy, has a promising market prospect and has a nutrient composition that is quite complete, especially lycopene. Lycopene is a powerful antioxidant substances. His ability to control the singlet oxygen (oxygen in the form of free radicals) is 100 times more efficient than vitamin E or 12500 times of the gluthation. At this laboratorium using a Genesys 20 Visible Spectrophotometer is based on the phenomenon of light absorption by specific chemical species in the area of visible light (visible). Tomato paste solution with a heating temperature of 60 ° C and 80 ° C coupled with n-hexane at a ratio of 1: 1, 1: 1.25, 1: 1.5 and 1: 1.75. Based on the results of the observations made the most optimum values obtained at 80 ° C with Comparing 1: 1.75. Absorbance value at a wavelength of 470 nm with lycopene concentration levels of 8.162 g / 100 m. It can be concluded that the heating temperature of 80 ° C lycopene concentration produced more than the heating temperature of 60 ° C with a ratio of n-hexane same Keywords: Spectrophotometer, Analysis tomatoes, lycopene levels

Item Type:Thesis (Undergraduate)
Subjects:T Technology > TP Chemical technology
Divisions:Faculty of Engineering > Diploma in Chemical Engineering
Faculty of Engineering > Diploma in Chemical Engineering
ID Code:47956
Deposited By:Mrs Pudja D3 Teknik Kimia
Deposited On:16 Mar 2016 09:16
Last Modified:16 Mar 2016 09:16

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