Content of biologically active substances in seedlings of cabbage of the genus Brassica L.
O V. Ushakova | A. V. Molchanova | L. L. Bondareva
Relevance. Photosynthetic seedlings, as a model object, are interesting both in the study of nutritional value and the species response of a plant organism to the cultivation.Material and methods. The study was carried out on the basis of the laboratory analytical department of the FSBSI FSVC. The material of the research was sprouts of Brassica chinensis L., cv. Vesnyanka; Brassica oleraceae L. var. italica Plenck, cv. Tonus; Brassica oleracea L. convar. acephala DC., cv. Malinovka; Brassica oleracea var. gongylodes L., hybrid F1 Sonata and cv. Venskaya Belaya 1350; Brassica oleracea L. convar. capitata (L.) Alef. var. capitata L. f. rubra (L.) Thell., cv. Gako 741. The seeds of the 2018 harvest were germinated in filter paper cassettes using distilled water. The cassettes with seeds were placed in a thermostat under constant illumination and a temperature of 25°C. They have been germinated for 8 days, after which a biochemical analysis of the samples was carried out.Results. It was found out that the total content of water-soluble antioxidants in the studied of cabbage crops was in the range of concentrations from 3.58-4.57 mg-eq HA/g (wet weight). According to this indicator of 8-day-old seedlings, red cabbage variety Gako 741 was distinguished by the maximum values. The total content of antioxidants in the alcoholic extract ranged from 21.24 to 28.23 mg-eq HA/g (dry weight). The content of polyphenols – in the concentration range of 16.39-24.94 mg-eq of HA/g (dry weight). As a result of the research, direct correlations of the studied characteristics were revealed. A high correlation was shown between the content of water-soluble antioxidants and dry matter (r=0.72...0.98) and between the content of carotenoids and chlorophylls (r=0.98...0. 99).
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