Evaluation of Nutritional Composition of Synbiotic Yoghurt from Purple Sweet Potatoes and Fresh Milk

Purple sweet potatoes contain anthocyanin and oligosaccharides. Anthocyanin has a role as an antioxidant, meanwhile oligosaccharides as a prebiotics. Processing sweet potatoes into synbiotic yoghurt is an alternative functional food to repair intestinal microflora and gastrointestinal function. The...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2025-01, Vol.1446 (1), p.12017
Main Authors: Fitriyah, D, Jannah, M, Ayu, D P, Warsito, H, Werdiharini, A E
Format: Article
Language:English
Subjects:
Agricultural development
Anthocyanins
Ashes
Carbohydrates
Composition
Energy
Experimental research
Filtrate
Food composition
Food processing
Functional foods & nutraceuticals
Intestinal microflora
Milk
Nutrition assessment
Oligosaccharides
Potatoes
Proteins
Sweet potatoes
Vegetables
Yogurt
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Summary:Purple sweet potatoes contain anthocyanin and oligosaccharides. Anthocyanin has a role as an antioxidant, meanwhile oligosaccharides as a prebiotics. Processing sweet potatoes into synbiotic yoghurt is an alternative functional food to repair intestinal microflora and gastrointestinal function. The objective of this research was to assess the nutritional composition of purple sweet potatoes and fresh milk synbiotic yoghurt. Fresh milk was obtained from the Integrated Agricultural Development Unit of Politeknik Negeri Jember. This study is experimental research with 4 treatments. The proportions of fresh milk and purple sweet potato filtrate at each treatment level were P1(1:4), P2(2:3), P3(3:2), P4(4:1). The synbiotic yoghurt was measured for protein, fat, water, ash content, carbohydrate, energy from fat and total energy. The highest protein, fat, carbohydrate, energy from fat and total energy in synbiotic yoghurt was the P4 treatment, respectively (2.6%, 2.2%, 12.9%, 19.98 kkal/100g, and 80.9 kkal/ 100g. The fat content of all treatments was below 2,9%, so it is low-fat yoghurt. The ash content in all treatments ranges from 0.5-0.67 which is appropriate with SNI 2981:2009 standards.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1446/1/012017