Proximate composition, amino acid profile, carbohydrate and mineral content of seed meals from four safflower (Carthamus tinctorius L.) varieties grown in north-eastern Morocco

Autor: Mansouri Farid, Ben Moumen Abdessamad, Richard Gaetan, Fauconnier Marie-Laure, Sindic Marianne, Elamrani Ahmed, Serghini Caid Hana
Jazyk: English<br />French
Rok vydání: 2018
Předmět:
Zdroj: Oilseeds and fats, crops and lipids, Vol 25, Iss 2, p A202 (2018)
Druh dokumentu: article
ISSN: 2272-6977
2257-6614
DOI: 10.1051/ocl/2018001
Popis: The purpose of this study is to complete our work on the characterization of four safflower varieties produced in the oriental region of Morocco by determining the composition of their meals. This characterization was carried out by analyzing proteins, amino acids, fibers, carbohydrates and mineral elements. The results show that the protein content varies in a range of 17.06–27.05%, fibers 63.45–69.97%, carbohydrates 12.40–17.07% and ash 3.11–3.60% on dry weight basis. The most abundant amino acid in the studied safflower meals is glutamic acid (3.19–3.89% of dry matter), while lysine and methionine are the least abundant. Cellulose and hemicellulose are the most representative fibers (28.16–31.35% and 21.04–21.68% of dry matter, respectively). The main carbohydrate is xylose, whose content varies between 10.56–14.31% of dry matter. The results also show that the studied safflower meals constitute a good source of potassium (6.32–9.51 g kg−1 of dry matter), phosphorus (2.35–4.60 g kg−1), magnesium (2.25–4.25 g kg−1) and calcium (1.53–1.72 g kg−1). Amongst the identified microelements, iron is the major element in all the analyzed samples (53–125 mg kg−1). Moreover, the majority of the studied analytical parameters were strongly influenced by the cultivar factor (p
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