PENETAPAN KADAR GULA TOTAL JUS BUAH APEL ROME BEAUTY (Malus sylvestris Mill) DENGAN METODE ANTHRONE-SULFAT

Kalis, Pudyasmorowati (2019) PENETAPAN KADAR GULA TOTAL JUS BUAH APEL ROME BEAUTY (Malus sylvestris Mill) DENGAN METODE ANTHRONE-SULFAT. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

Diabetes melitus is one of the diseases that the prevalence increase every year. Rome beauty apples (Malus sylvestris Mill) are classified as fruits which contain carbohydrates, especially low-calorie sugars, so they are useful as an energy source and can be used as a low-carbohydrate diet menu. The aim of study is to determine the total sugar that contained in Rome beauty apples. Fresh Rome beauty is smoothed by blending. The preparation product were used for qualitative analysis with molish test, benedict test, and anthrone test. The determination of total sugar analyzed using UV-Vis spectrophotometry at maximum wavelength 628.2 nm with the addition 0.1% anthrone reagent. Qualitative analysis of total sugar shows that Rome beauty apples positively contain sugar. The results showed the average level of total sugar in Rome beauty apples was 3,2499 g / 100g b b ൗ with the value of coefficient variation is 1,29%.

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