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A large outbreak of liver toxicity in dairy cows that were consuming swede (rutabaga, Brassica napus ssp. napobrassica) crops in Southland and Otago, New Zealand in 2014 prompted the search for the toxin(s) responsible for brassica-associated liver disease (BALD). Analysis of swede
The hydrolytic products of glucosinolates in brassica crops are bioactive compounds. Some glucosinolate derivatives such as oxazolidine-2-thione from progoitrin in brassica oilseed meal are toxic and detrimental to animals, but some isothiocyanates such as sulforaphane are potent anti-carcinogens
A procedure for the preparative isolation of 1-S-[(1Z)-3-hydroxy-1-[(sulfooxy) imino]-4-pentenyl]-1-thio-beta-D-glucopyanose, potassium salt (progoitrin) from Brassica oleracea is reported. The major steps in this procedure were: (1) extraction of glucosinolates with methanol from Brassica oleracea;
The goal of our present research was to develop a simple and rapid method for the quantitation of desulfoglucosinolates (desulfoGLS) without using column chromatography. The proposed method involves extraction, concentration, incubation of glucosinolates with a sulfatase enzyme, and HPLC analysis.
The performance of herbivorous insects is greatly affected by host chemical defenses and nutritional quality. Some herbivores have developed the ability to manipulate plant defenses via signaling pathways. It is currently unclear, however, whether a herbivore can benefit by simultaneously reducing
Glucosinolates are the biochemical compounds that provide defense to plants against pathogens and herbivores. In this study, the relative expression level of 48 glucosinolate biosynthesis genes was explored in four morphologically-different cabbage inbred lines by qPCR analysis. The content of
The present study aimed to investigate the contents of glucosinolates (GSLs) and carotenoids in eleven varieties of Chinese cabbage in relation to the expression level of the important transcription factors. MS and HPLC analysis identified the presence of 13 GSLs (progoitrin, sinigrin, glucoalyssin,
Clubroot is a devastating disease of Brassicaceae caused by the biotrophic protist Plasmodiophora brassicae. The progression of clubroot disease is modulated by the glucosinolate (GSL) profile of the host plant. GSL is hydrolysed by the enzyme myrosinase upon cell disruption and gives rise to
Glucosinolates (GSLs) and phenolic compounds (PCs) are biologically active and involved in the defense reaction of plants; these compounds have a beneficial effect on human health. In this study, we described the influence of biologically synthesized silver nanoparticles (Ag NPs) to enhance the
Brassica vegetables are the predominant dietary source of glucosinolates (GLS) that can be degraded in the intestinal tract into isothiocyanates, which have been shown to possess anticarcinogenic properties. The effects of pilot-scale long-term boiling on GLS in white cabbage (Brassica oleracea L.
The incorporation of the radioactivity from acetate-1-(14)C, acetate-2-(14)C, dl-methionine-1-(14)C, dl-methionine-2-(14)C, dl-methionine-3,4-(14)C, dl-homomethionine-2-(14)C, dl-allyl-glycine-2-(14)C, and dl-2-amino-5-hydroxyvalerate-2-(14)C into the aglycones of progoitrin, gluconapin, and
Kale (Brassica oleracea L. Acephala Group) is the rich source of medicinal value sulphur compounds, glucosinolates (GLSs). The aim of this study was to investigate the effect of different proportion of sulphur (S) supplementation levels on the accumulation of GLSs in the leaves of the kale cultivar