Stikkord: preparater

Effect of biodynamic preparations on the phenolic antioxidants in potatoes with coloured-flesh

| Type artikkel: Publisert studie

Kategori: Biodynamisk, Grønnsaker, Matplanter, Næringsstoffer, Potet

The aim of this research, which was undertaken in two years (2013–2014), was to evaluate the effect of cultivars and biodynamic (BD) preparations 500 and 501 on concentrations of phenolic compounds, quantitative and qualitative anthocyanins and phenolic acids compositions, and antioxidant activity in the tubers of coloured potatoes.

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Molecular properties of a fermented manure preparation used as field spray in biodynamic agriculture

| Type artikkel: Publisert studie

Kategori: Biodynamisk, Gjødsel, Matjord

Manure products fermented underground in cow horns and commonly used as field spray (prepara- tion 500) in the biodynamic farming system, were char- acterized for molecular composition by solid-state nuclear magnetic resonance [13 C cross-polarization magic-angle-spinning NMR (13 C-CPMAS-NMR)] spec- troscopy and offline tetramethylammonium hydroxide thermochemolysis gas chromatography-mass spectrome- try.

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