Abstract
Forty seven accessions of camelina (Camelina sativa L. Crantz) were analyzed for glucosinolates (GSLs) and sinapine in defatted meal. These antinutritional compounds are undesirable in camelina meal for use in animal feeding and therefore we show their variability to identify the best varieties for future breeding programs. Total GSLs ranged from 19.6 to 40.3 mmol Kg-1 dry weight (DW) with an average of 30.3 mmol kg-1 DW. Great variability has also been observed in the levels of individual GSLs (GSL1, GSL2 and GSL3), so that the content of GSL1 and GSL3 were not correlated to each other in the accessions of camelina. Five out of six winter forms of camelina showed low content of GSLs. Sinapine ranged from 1.09 to 4.75 g Kg-1 DW with an average of 2.57 g kg-1 DW. The sinapine content was not correlated with that of GSLs. The use of camelina meal is only limited by the presence of GSLs while sinapine content can be ignored in camelina varieties.
Highlights
In the last century, with the rapid growth of the industrial food animal production, an increasing demand for cheap sources of protein and essential nutrients grew for feed formulation
Crantz) were analyzed for glucosinolates (GSLs) and sinapine in defatted meal. These antinutritional compounds are undesirable in camelina meal for use in animal feeding and we show their variability to identify the best varieties for future breeding programs
The use of camelina meal is only limited by the presence of GSLs while sinapine content can be ignored in camelina varieties
Summary
With the rapid growth of the industrial food animal production, an increasing demand for cheap sources of protein and essential nutrients grew for feed formulation. Sixty-nine% of protein-rich feed materials is imported into the EU of which, for the soybean (the main source of essential amino acids), self-sufficiency is only 3% while soybean meal provides 64% of protein-rich feed materials [2]. It follows that the EU’s livestock farming sector heavily depends on the amount of soybean meal used for meat unit produced: 232, 648 and 967 g kg−1 for beef, pork and poultry, respectively [3]. GSLs and sinapine contents were evaluated in a collection of 47 camelina accessions to assess the variability of these anti-nutritionals in order to identify the best ones for future breeding programs
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