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Biofortification of maize with micronutrients by Spirulina

100%

Tuhy Ł., Samoraj M., Witkowska Z., Chojnacka K.

Open Chemistry

2015

vol. 13

issue 1

The aim of the present work was to examine the effect of the application of Spirulina platensis post-extraction residues enriched with Zn(II), Mn(II), Cu(II) via biosorption as micronutrient fertilizer for the biofortification of maize grains with micronutrients in field tests. As a nominal dose 2.5 kg ha-1 of zinc, 1.0 kg ha-1 of manganese and 0.5 kg ha-1 of copper were applied. The preparation was applied also in higher doses (150%, 200%) to investigate agronomic biofortification of maize grains. In field trials, obtained grain yield (7.2 Mg ha-1 for Spirulina 100%) was higher than in control group (6.2 Mg ha-1) and commercial reference product (6.6 Mg ha-1). For the same dose of micronutrients, their bioavailability was higher for bio-preparations than for reference fertilizer. The highest content of micronutrients delivered to plants (2.15 mg kg-1 – Cu, 7.07 mg kg-1 – Mn, 29.0 mg kg-1 – Zn) was observed for maize grains fertilized with preparation of Spirulina 150%, which signifies that biofortified maize grain was obtained. Corn grains biofortified with micronutrients can be used as staple food or feed preventing from micronutrient malnutrition. The application of micronutrient biocomponents based on Spirulina biomass allows to manufacture a valuable fertilizer with bioavailable micronutrients.

Persistence of long-term insulin independence after islet transplantation and two subsequent pregnancies

52%

Gondek S., Ogledzinski M., Lin W., Milejczyk K., Juengel B., Potter L., Bachul P. J., Basto L., Perea L., Wang L.-J., Tibudan M., Witkowska Z., Barth R., Fung J., Witkowski P.

European Journal of Translational and Clinical Medicine

2023

vol. 6

issue 1

9-13

Pregnancy increases metabolic demand for insulin and may lead to the exhaustion of intraportally transplanted islets and post-gestational hyperglycemia. To prevent these complications, we implemented preemptive insulin supplementation during two subsequent pregnancies in an insulin-independent islet transplant recipient. This strategy resulted in optimal blood glucose control during the pregnancies, the preservation of the optimal islet graft function and the postpartum maintenance of long-term insulin independence.

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1 European Journal of Translational and Clinical Medicine

1 Open Chemistry

1 2023

1 2015

2 Witkowska Z.

1 Bachul P. J.

1 Barth R.

1 Basto L.

1 Chojnacka K.

1 Fung J.

1 Gondek S.

1 Juengel B.

1 Lin W.

1 Milejczyk K.

1 Ogledzinski M.

1 Perea L.

1 Potter L.

1 Samoraj M.

1 Tibudan M.

1 Tuhy Ł.

1 Wang L.-J.

1 Witkowski P.

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Biofortification of maize with micronutrients by Spirulina

Persistence of long-term insulin independence after islet transplantation and two subsequent pregnancies