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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Paulauskienė, Aurelija;Tarasevičienė, Živilė;Žebrauskienė, Audronė
Title: Amino acid composition of kolomikta actinidia (Actinidia kolomikta (Maxim. & Rupr.) Maxim) fruits of Lithuanian origin
Other Title: Lietuviškos kilmės margalapės aktinidijos (Actinidia kolomikta (Maxim. & Rupr.) Maxim) vaisių aminorūgščių sudėtis
Is part of: Žemdirbystė = Agriculture / Lietuvos agrarinių ir miškų mokslų centras, Aleksandro Stulginskio universitetas. Akademija, (Kėdainių r.), T. 101, Nr. 1 (2014)
Extent: p. 79-84
Date: 2014
Keywords: Actinidia;Baltymų biologinė vertė;Baltymų efektyvumo koeficientas;Nepakeičiamosios aminorūgštys;Pakeičiamosios aminorūgštys;Actinidia;Biological value of proteins;Essential amino acids;Nonessential amino acids;Protein efficiency ratio
Abstract: Fruits of actinidia (Actinidia Lindl.) genotypes are known as a source of vitamins C and E, minerals, dietary fibre, various organic acids, carotenoids, flavonoids, and other useful compounds, but almost no data are available about proteins and amino acids content. The objective of the study was to determine the amounts of crude protein and amino acids in the fruits of kolomikta actinidia (Actinidia kolomikta (Maxim. & Rupr.) Maxim.) cultivars. Four Lithuanian cultivars ‘Laiba’, ‘Lankė’, ‘Landė’ and ‘Paukštės Šakarva’ were investigated. The cultivars were developed at Aleksandras Stulginskis University’s research orchard and have been under investigation there for 25 years. The amount of crude protein was determined by the Kjeldahl method. Amino acids were separated by ionexchange chromatography and detected photometrically. The crude protein content of the investigated kolomikta actinidia fruits ranged between 0.96–1.32%. There were no significant differences in the protein content among the cultivars tested. The protein content of kolomikta actinidia fruits is similar to that of another species of actinidia – kiwifruits (Actinidia chinensis Planch. (A.Chev) C.F.Liang & A.R.Ferguson). In kolomikta actinidia fruit, glutamic acid was the predominant amino acid with values ranging from 7.60 to 9.51 g kg-1. The highest amount of essential amino acids was in ‛Laiba’ fruits (17.71 g kg-1), while that of nonessential amino acids in ‛Lankė’ fruits (33.24 g kg-1). The recommended ratio of total essential amino acids to the total amino acids, protein efficiency ratio, amount of total nonessential, sulphur, aromatic, neutral, acidic, basic, branched chain amino acids, leucine/isoleucine ratio and their percentage levels in the fruits of all cultivars were calculated. The study showed that amino acids amounts and percentage levels in kolomikta actinidia fruits tested are similar to those in kiwifruits
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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