Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties
Proximate composition, profiles of amino acids, sugars, organic acids, vitamins and minerals of fourteen Turkish hazelnut varieties harvested in 2013 and 2014 were investigated. Glutamic acid, arginine and aspartic acid were the most predominant amino acids, representing of about 50% of hazelnut pro...
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Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences
2018-09-01
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Series: | Polish Journal of Food and Nutrition Sciences |
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Online Access: | http://www.degruyter.com/view/j/pjfns.2018.68.issue-3/pjfns-2018-0002/pjfns-2018-0002.xml?format=INT |
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author | Taş Neslihan Göncüoğlu Gökmen Vural |
author_facet | Taş Neslihan Göncüoğlu Gökmen Vural |
author_sort | Taş Neslihan Göncüoğlu |
collection | DOAJ |
description | Proximate composition, profiles of amino acids, sugars, organic acids, vitamins and minerals of fourteen Turkish hazelnut varieties harvested in 2013 and 2014 were investigated. Glutamic acid, arginine and aspartic acid were the most predominant amino acids, representing of about 50% of hazelnut protein. Individual amino acid profiles showed significant differences depending upon the harvest year (p<0.05). Concentration of sucrose was the highest followed by fructose, glucose, stachyose, raffinose and myo-inositol, respectively. Phytic acid was predominant organic acid in all varieties, followed by malic acid. Independent of the variety, hazelnuts were rich in pantothenic acid, nicotinic acid, pyridoxal, biotin, thiamine, nicotinamide. Pantothenic and nicotinic acid were significantly higher in most of the varieties in harvest year 2014. Potassium was the most predominant mineral, followed by magnesium, calcium, sodium, manganese, zinc, iron and copper, respectively. |
format | Article |
id | doaj-art-04d969a57f4a4498943f3109430bb91f |
institution | Kabale University |
issn | 2083-6007 |
language | English |
publishDate | 2018-09-01 |
publisher | Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences |
record_format | Article |
series | Polish Journal of Food and Nutrition Sciences |
spelling | doaj-art-04d969a57f4a4498943f3109430bb91f2025-02-02T21:34:58ZengInstitute of Animal Reproduction and Food Research of the Polish Academy of SciencesPolish Journal of Food and Nutrition Sciences2083-60072018-09-0168322323410.1515/pjfns-2018-0002pjfns-2018-0002Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut VarietiesTaş Neslihan Göncüoğlu0Gökmen Vural1Food Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, TurkeyFood Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, TurkeyProximate composition, profiles of amino acids, sugars, organic acids, vitamins and minerals of fourteen Turkish hazelnut varieties harvested in 2013 and 2014 were investigated. Glutamic acid, arginine and aspartic acid were the most predominant amino acids, representing of about 50% of hazelnut protein. Individual amino acid profiles showed significant differences depending upon the harvest year (p<0.05). Concentration of sucrose was the highest followed by fructose, glucose, stachyose, raffinose and myo-inositol, respectively. Phytic acid was predominant organic acid in all varieties, followed by malic acid. Independent of the variety, hazelnuts were rich in pantothenic acid, nicotinic acid, pyridoxal, biotin, thiamine, nicotinamide. Pantothenic and nicotinic acid were significantly higher in most of the varieties in harvest year 2014. Potassium was the most predominant mineral, followed by magnesium, calcium, sodium, manganese, zinc, iron and copper, respectively.http://www.degruyter.com/view/j/pjfns.2018.68.issue-3/pjfns-2018-0002/pjfns-2018-0002.xml?format=INThazelnutamino acidsvitaminsmineralssugarsorganic acids |
spellingShingle | Taş Neslihan Göncüoğlu Gökmen Vural Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties Polish Journal of Food and Nutrition Sciences hazelnut amino acids vitamins minerals sugars organic acids |
title | Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties |
title_full | Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties |
title_fullStr | Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties |
title_full_unstemmed | Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties |
title_short | Profiling of the Contents of Amino Acids, Water-Soluble Vitamins, Minerals, Sugars and Organic Acids in Turkish Hazelnut Varieties |
title_sort | profiling of the contents of amino acids water soluble vitamins minerals sugars and organic acids in turkish hazelnut varieties |
topic | hazelnut amino acids vitamins minerals sugars organic acids |
url | http://www.degruyter.com/view/j/pjfns.2018.68.issue-3/pjfns-2018-0002/pjfns-2018-0002.xml?format=INT |
work_keys_str_mv | AT tasneslihangoncuoglu profilingofthecontentsofaminoacidswatersolublevitaminsmineralssugarsandorganicacidsinturkishhazelnutvarieties AT gokmenvural profilingofthecontentsofaminoacidswatersolublevitaminsmineralssugarsandorganicacidsinturkishhazelnutvarieties |