Výnos a kvalita oleje plodů ostropestřce mariánského (Silybum marianum (L.)) z pohledu prostředí a genotypu - pilotní studie

Růžičková, G., Mendel Univ., Brno , Faculty of Agronomy, Department of  Crop Science, Breeding and Plant Medicine; Fojtová, J.; Součková, M.

The yield and quality of milk thistle (Silybum marianum (L). Gaertn.) seed oil from the perspective of environment and genotype - a pilot study | Výnos a kvalita oleje plodů ostropestřce mariánského (Silybum marianum (L.)) z pohledu prostředí a genotypu - pilotní studie

2011

Růžičková, G., Mendel Univ., Brno (Czech Republic), Faculty of Agronomy, Department of Crop Science, Breeding and Plant Medicine | Fojtová, J. | Součková, M.

During the years 2007 - 2008, samples of Milk thistle (Silybum marianum (L.) Gaertn.) variety Silyb (silybine type, CZE) from five Czech growing regions were assessed for seed oil content (%) and neutralization number. The second part included six different genotypes with the evaluation of oil content (%), the spectrum of main fatty acids, neutralization number (NN). The analyses showed highly significant differences in the seed oil content for environment and year conditions. The highest average oil content had the sample from cereal region 2 (21.28%), the lowest value was in potato region 2 (18.97%). In 2007, the oil content was 20.30%, in 2008 - 19.59%. The NN was significantly affected also by both factors. Regarding the genotypes, the highest oil content had variety Silyb - silybine type (21.6%), followed by the variety Mirel (21.0%). The lowest content of oil was recorded in Rosa Canina and Leros samples (17.5% and 18.1%). The neutralization number (NN) varied highly in the samples (4.3-33.0). For all samples dominant fatty acid (FA) was linoleic, followed by oleic, palmitic and stearic acid and another minor FA (0.03 till 0.7%). The highest amount of linoleic acid was recorded in variety Mirel (66.4%), the lowest content had Serbian sample (50.6%).

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