http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=11606plant oils http://general-terms.thesaurus.ekt.gr/vocab?tema=11606 processed plant products BT http://general-terms.thesaurus.ekt.gr/vocab?tema=11606 plant fats RT http://general-terms.thesaurus.ekt.gr/vocab?tema=11606 maize oil NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11606 olive oil NT