Application of multidimensional scaling technique to differentiate sweet potato (Ipomoea batatas (L.) Lam) cultivars according to their chemical composition |
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| Institution: | 1. Aula Dei Scientific Technological Park Foundation, Av. Montañana 930, 50059 Zaragoza, Spain;2. Department of Chemical Engineering and Pharmaceutical Technology, Food Science and Nutrition Area, University of La Laguna, 38206 La Laguna, Santa Cruz de Tenerife, Spain;3. Centre for Conservation of Tenerife''s Agricultural Biodiversity (CCBAT), Exmo. Cabildo Insular de Tenerife, Calle Retama, n° 2. Jardín de Aclimatación de La Orotava, 38400 Puerto de la Cruz, Santa Cruz de Tenerife, Spain;1. Ministry of Municipal and Rural Affairs, Al-Qassim, Saudi Arabia;2. Department of Food Science, Division of Sciences, University of Otago, PO Box 56, Dunedin, New Zealand;3. Faculty of Agriculture and Life Sciences Division, Lincoln University, PO Box 85084, Canterbury, New Zealand;1. Academy of State Administration of Grain, No. 11 Baiwanzhuang Street, Beijing 100037, China;2. College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China;3. Boston Children''s Hospital and Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115-5737, United States;1. Department of Crop Science, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville, 3209 Pietermaritzburg, South Africa;2. Agricultural Research Council-Vegetable and Ornamental Plants (ARC-VOP), Private Bag X 293, Pretoria 0001, South Africa;3. African Centre for Crop Improvement (ACCI), School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Private Bag X01, Pietermaritzburg 3209, South Africa;1. School of Food Science and Engineering, Wuhan Polytechnic University, 430023 Wuhan, China;2. Nutrition and Food Science Area, Faculty of Pharmacy, Universitat de València, Avda. Vicent Andrés Estellés, s/n, 46100 Burjassot, Spain;3. Sorbonne Universités, Université de Technologie de Compiègne, Département de Génie des Procédés Industriels, Unité Transformations Intégrées de la Matière Renouvelable (UTC/ESCOM, EA 4297 TIMR), Centre de Recherche de Royallieu, B.P. 20529, 60205 Compiègne Cedex, France;1. Institute of Nutrition and Food Science, University of Dhaka, Dhaka 1000, Bangladesh;2. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh |
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| Abstract: | Proximate composition (moisture, protein, starch, amylose, total dietary fibre, Brix degree, fat, ash, ascorbic acid, phenolic compounds, acidity and pH), minerals (Na, K, Ca, Mg) and trace elements (Fe, Cu, Mn, Zn) were determined in 30 cultivars of sweet potato from the Canary Islands (Spain). There were significant differences between the sweet potato cultivars for all the parameters studied; in addition, both the island of production and the cultivation cycle showed a noteworthy influence on the mineral and trace element composition of the tubers. It is worth mentioning that the consumption of sweet potatoes contributes relatively high intake levels of vitamin C, phenolic compounds and mineral and trace elements (K, Mg, Ca, Mn, Fe and Cu). Application of multidimensional scaling (MDS) correctly classified the sweet potato cultivars according to the island of production and maturation cycle. |
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| Keywords: | Sweet potato Multidimensional scaling Composition Mineral and trace elements Dietary intake Food analysis Food composition |
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