Indonesian Journal of Pharmaceutical Research
Vol 2, No 2 (2022): Indo J Pharm Res 2022 2(2)

QUALITATIVE AND QUANTITATIVE IDENTIFICATION OF CARBOHYDRATES IN COMMERCIAL YOGHURT PRODUCTS

Bagus Nurprialdi (Universitas 17 Agustus 1945 Jakarta)
Viesta Olivia Thahuurun Gani (Universitas 17 Agustus 1945 Jakarta)
Siti Halda (Universitas 17 Agustus 1945 Jakarta)
Peby Ardiani Pratama (Universitas 17 Agustus 1945 Jakarta)
Riong Seulina Panjaitan (Fakultas Farmasi, Universita 17 Agustus 1945 Jakarta)



Article Info

Publish Date
06 Feb 2023

Abstract

Yogurt is a healthy drink that has thick, acidic properties and a high nutritional content. Yogurt is made by adding bacteria to milk, which naturally contains a type of sugar (carbohydrate) called lactose.Qualitative testing methods for carbohydrates are the Molisch test, the iodine test, the Benedict test, the Barfoed test, the Seliwanoff test, and the osazon test. Meanwhile, in quantitative testing using the DNS method. The results of the Molisch carbohydrate qualitative test revealed that all four samples contained glucose. Polysaccharides were discovered in the six samples during the iodine test. The six samples tested negative for glucose in Benedict's test. One out of every six samples tested positive for monosaccharides in the Barfoed test. Both samples tested positive for fructose in the Seliwanoff test. In the osazone test, all yogurt samples contained glucose. Furthermore, the following results were obtained when determining the reducing sugar content of commercial yogurt samples: E (685 mg/mL); D (568.75 mg/mL); F (501.25 mg/mL); A (373.75 mg/mL); B (310 mg/mL); and C (210 mg/mL).

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Journal Info

Abbrev

IJPR

Publisher

Subject

Chemistry Medicine & Pharmacology Public Health

Description

Indonesian Journal of Pharmaceutical Research (IJPR) is a peer-reviewed open-access journal related to the pharmaceutical sciences and related disciplines, as well as pharmaceutical practice. It is the journal of the Department of Pharmacy, Faculty of Pharmacy, Muhammadiyah University of Sumatera ...