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Over the last fifteen years, considerable progress has been made in the field of &ldquo;green chemistry&rdquo;, as regards both research aspects and market development. In particular, extraction of erucic acid (C22:1) from plants and its industrial applications have received increasing attention. At present, known species producing oils yielding large quantities of erucic acid belong, with few exceptions, to the Brassicaceae family. Among these, the two major sources of erucic acid in the world are HEAR (High Erucic Acid Rapeseed, Brassica napus var. oleifera) and crambe (Crambe abyssinica), both mainly cultivated in the USA. Their cultivation has also recently been considered and extended to southern Europe, supported by specific research projects. The quantity of erucic acid in Brassicaceae oils ranges greatly, from 55% in Crambe abyssinica to nearly zero in some varieties of Brassica napus var. oleifera. Even more differentiated and peculiar to each species and variety is adaptability to specific climatic and soil conditions. In this regard, the major limitation to the cultivation of some interesting Brassicaceae species, crambe in particular, is their poor tolerance to cold. Among Brassicaceae producing erucic acid, the less frequently cultivated species, such as Brassica juncea and B. carinata, if grown in areas with relatively mild winters, may give yields of seed and oil similar to those of the most productive rapeseed genotypes. Within this framework, in order to achieve high production of erucic acid, it is essential to identify the most productive genotypes, among available species, for each environment. In this report, seed and oil productions of some important Brassicaceae species for extraction of erucic acid, derived from 15 years of field trials in northern Italy, are discussed in relation to the possibility of autumn or spring sowing

Can we “cultivate” erucic acid in southern Europe?