progoitrin/repka olejná

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Gas-liquid chromatographic determination of products from the progoitrins in crambe and rapeseed meals.

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Rapeseed meal-glucosinolates and their antinutritional effects. Part 6. Taint in end-products.

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From the present review it is clear that glucosinolates and their breakdown products may pass in small amounts into such products as meat, milk or eggs without noticeable deterioration in their taste. When applying low glucosinolate rapeseed meal (LG-RSM) as the sole high protein component of

Rapeseed meal glucosinolates: metabolism and effect on performance in laying hens.

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Two experiments were conducted with Hyline Leghorn hens to study the metabolism and detrimental effects of rapeseed meal (RSM) glucosinolates. Raw Target RSM was force fed to 12 hens which were killed after varying time intervals (15 min., 30 min., 60 min.) and the contents of areas of the digestive

Glucosinolate Content and Sensory Evaluation of Baby Leaf Rapeseed from Annual and Biennial White- and Yellow-Flowering Cultivars with Repeated Harvesting in Two Seasons.

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The chemical and sensory quality of field-grown vegetables may be influenced by cultivar choice and agronomic factors but knowledge is lacking on the new rapeseed vegetables. White- and yellow-flowering rapeseed cultivars were tested in two seasonally different field studies in Denmark at three

[The occurrence of goitrogenic substances in milk. 1. Release of goitrin in the milk of cows fed on rapeseed extract cakes].

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A total of six cows, divided into 3 groups, were fed various amounts of rape cake containing 6 g of goitrin/kg over a period of 7 days. The cows were milked twice a day and the goitrin content of the heated milk samples were determined by a HPLC-method within 2 h. When rape cake was fed at 0.39, 1.9

[Separation and purification of the main glucosinolate from rapeseeds].

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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;

Analysis of 5-vinyl-1,3-oxazolidine-2-thione in complex matrices at ppb level.

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5-Vinyl-1,3-oxazolidine-2-thione (5-VOT) is a goitrogenic compound released by enzymatic degradation of progoitrin, the most important glucosinolate occurring in rapeseed meal. This paper describes an analytical method for determining the 5-VOT in complex matrices. The method proposed by Quinsac et

Naturally occurring glucosinolates in plant extracts of rocket salad (Eruca sativa L.) identified by liquid chromatography coupled with negative ion electrospray ionization and quadrupole ion-trap mass spectrometry.

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A method for the comprehensive profiling of intact glucosinolates (GLSs), major and minor, occurring in leaves and seeds of rocket salad (Eruca sativa L.) is presented using optimized reversed-phase liquid chromatography (RP-LC) with electrospray ionization (ESI) ion trap mass spectrometry (ITMS).

A Straightforward Method for Glucosinolate Extraction and Analysis with High-pressure Liquid Chromatography (HPLC).

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Glucosinolates are a well-studied and highly diverse class of natural plant compounds. They play important roles in plant resistance, rapeseed oil quality, food flavoring, and human health. The biological activity of glucosinolates is released upon tissue damage, when they are mixed with the enzyme

Extraction and characterization of glucosinolates and isothiocyanates from rape seed meal.

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While some isothiocyanate (ITCs) are attractive targets for the agricultural and pharmaceutical industries, the presence of goitrin and ITCs has hampered the widespread utilization of rapeseed meal. ITCs are the products of the myrosinase-mediated hydrolysis of glucosinolate (GSLs). As such, a study

The optimal mixing ratio of Brassica napus and Brassica juncea meal improve nematode Meloidogyne hapla effects.

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The use of rapeseed (Brassica napus L.) or leaf mustard (Brassica juncea L. Czern) meal or both as organic fertilizer not only improves the soil environment and crop productivity by supplying nutrients but also has nematicidal effects. This study aimed to establish the optimal

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