Nutrition value of the sweet potato (Ipomoea batatas (L.) Lam) cultivated in south – eastern Polish conditions – IJAAR

sweet potatoBarbara Krochmal-Marczak, Barbara Sawicka, Jacek Supski, Tomasz Cebulak, Katarzyna Paradowska

Departament of Agriculture and Rural Development, State Higher Vocational School names Stanislaw Pigonia in Krosno, Poland

Department of Plant Production Technology and Commodity, University of Life Science Lublin, Poland

Department of Raw Materials and Processing of Fruit and Vegetables, Department of Food Technology, University of Agriculture in Krakow, Poland

Department of Technology and Quality Plant Products, Department of Biology and Agriculture, University in Rzeszow, Poland

Department of Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Poland

Key words: Chemical composition, macronutrients, sweet potato, variety.


Studies were conducted in the years 2009−2011 on a brown soil, wheat faulty complex (Poland, Podkarpackie Voivodeship). The experiment was carried out using the randomized blocks method in 3 replications. Three cultivars of sweet potato were studied: Carmen Rubin, Goldstar and White Triumph with a different morphological and physiological type. Contents of dry matter, carbohydrates, protein, vitamin C, ascorbic acid and macronutrients in tubers were determined using standard methods. sweet potato ,White Triumph cultivar with white skin and flesh is characterized by a significantly higher content of starch, sugars, proteins, vitamin C, ascorbic acid as well as phosphorus, calcium and magnesium in comparison with cultivars (Goldstar and Carmen Rubin) with coloured skin and flesh. The biological value of sweet potato tubers is high. The content of nutrients in sweet potatoes’ tubers is discussed in terms of their nutritional utility. Sweet potatoes can help reducing nutritional problems and can be especially recommended for diabetics.

ijaar-v4no4-p169-178Get the original articles in Source: Volume 4, Number 4, April 2014 – IJAAR

Journal Name: International Journal of Agronomy and Agricultural Research (IJAAR)

Published By: International Network for Natural Sciences

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