Comparative Study Concerning the Composition of Certain Oil Cakes with Phytotherapeutical Potential

Cozea, Andreea; Ionescu (Bordei), Natalita; Popescu, Mariana; Neagu, Mihaela; Gruia, Romulus

Andreea Cozea, Natalita Ionescu (Bordei), Mariana Popescu, Mihaela Neagu, Romulus Gruia

Comparative Study Concerning the Composition of Certain Oil Cakes with Phytotherapeutical Potential

Abstract:

Oil cake remaining after oil extraction from fatty seed caught the attention lately due to its valuable biologically active substances. This comparative study aims the characterization of oilseed cakes, such as Thistle (Milk thistle), Soybean (Glycine max), pumpkin (Cucurbita pepo), Sea Buckthorn (Hippophae rhamnoides), Rape (Brassica napus), Flax (Linum usitatissimum), Hemp (Cannabis sativa), safflower (Carthamus tinctorius). Comparative analysis of plant material was done after removing fatty oil from seeds. In this context the obtained cakes were characterized for the content of bioactive compounds: flavones, polyphenols, sugars, proteins and digestive enzymes such as amylase, protease lipase. Metals like: manganese, potassium, iron, zinc, calcium, magnesium were quantified. The existence / absence of heavy metals: lead, cadmium was noticed, too. Modern methods for plant material characterization such as atomic absorption spectrometry (AAS), UV-VIS spectrophotometery, and also standard biochemical methods in determining enzymes were used. The performed analyses of these oil cakes can be used in order to obtain food supplements.

Keywords:
biologically-active compounds; oil cakes; biochemical methods; UV-Vis; AAS

Issue: 2016, Volume 67, Issue 3

Pages:

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This article is published under the Creative Commons Attribution 4.0 International License

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