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Potato sprouts as a potential source of solanidine glycoalkaloids for nutritional studies

100%

Tusnio A., Taciak M., Trawczynski C., Barszcz M., Skomial J., Pastuszewska B.

Journal of Animal and Feed Sciences

2013

tom 22

nr 4

The high price of pure forms of solanidine glycoalkaloids (GA) impedes their use in studies on the effects and safety levels of GA for farm animals. An attempt was made to take advantage of the high concentration of GA in potato sprouts and to evaluate them as a potential source of these compounds for nutritional experiments. Over a period of two years, two batches of sprouts were collected from potatoes prepared for planting, dried, and analysed for α-solanine (S), α-chaconine (CH), and nutrient contents, as well as trypsin inhibitor activity (TIA). The concentrations of S were 10.52 mg and 8.88 mg · g–1 and of CH, 22.67 and 18.70 mg · g–1 of dried sprouts in batch 1 and batch 2, respectively. The proportions of chaconine and solanine in both batches were uniform and amounted to 68% and 32% of the sum. The chemical composition of two batches was similar except for crude fibre content, which was 3.01% and 9.46% in batch 1 and batch 2, respectively. TIA was low and uniform (0.41 mg · g–1)

Synthesis of gamma-chaconine and gamma-solanine are catalyzed in potato by two separate glycosyltransferases: UDP-glucose:solanidine glucosyltransferase and UDP-galactose:solanidine galactosyltransferase

67%

Zimowski J.

Acta Biochimica Polonica

1997

tom 44

nr 2

UDP-glucose:solanidine glucosyltransferase and UDP-galactose:solanidine galactosyltransferase from cytosol of potato sprouts were partially separated by Sephadex G-100 and Q-Sepharose chromatographies, proving the existence of different glycosylation systems in biosynthesis of alpha-chaconine and alpha-solanine.

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Glikoalkaloidy - substancje toksyczne roslin wyzszych

51%

Cieslik E.

Żywność Technologia Jakość

1997

tom 04

nr 1

21-29

Ograniczanie wyników

1 Acta Biochimica Polonica

1 Journal of Animal and Feed Sciences

1 Żywność Technologia Jakość

1 Barszcz M.

1 Cieslik E.

1 Pastuszewska B.

1 Skomial J.

1 Taciak M.

1 Trawczynski C.

1 Tusnio A.

1 Zimowski J.

1 2013

2 1997

Wyniki wyszukiwania

Potato sprouts as a potential source of solanidine glycoalkaloids for nutritional studies

Synthesis of gamma-chaconine and gamma-solanine are catalyzed in potato by two separate glycosyltransferases: UDP-glucose:solanidine glucosyltransferase and UDP-galactose:solanidine galactosyltransferase

Glikoalkaloidy - substancje toksyczne roslin wyzszych