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Microwave irradiation enhances the germination rate of tartary buckwheat and content of some compounds in its sprouts

100%
Wang S., Wang J., Guo Y.
Polish Journal of Food and Nutrition Sciences
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2018
|
tom 68
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nr 3
Tartary buckwheat (Fagopyrum tataricum) seeds were irradiated with microwaves at various power levels of 200, 400, 600 and 800 W for 10 or 30 s. The irradiated grains were germinated for 3, 5, and 7 days and harvested. The germination rate of the tartary buckwheat seeds and contents of some compounds in the sprouts were investigated. The results showed that the exposure to 600 W microwaves for 10 s resulted in the highest fi nal germination rate after 7 days of germination, which was 2 times that of the control. The exposure of seeds to 800 W for 30 s showed the lowest germination rate (approximately 10%), which decreased by 87% compared with the control (p<0.05). The exposure at 600 W for 30 s stimulated the total flavones content, reduced the sugar and soluble protein contents, and increased the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity. The highest free amino acid content (11 mg/g) was observed in 5-day sprouts exposed to 800 W for 10 s. Moreover, the microwave treatment had a positive effect on the catalase (CAT) and superoxide dismutase (SOD) activity.
2

Enhancing the available water content in unsaturated soil zone using hydrogel, to improve plant growth indices

80%
Koupai J. A., Eslamian S. S., Kazemi J. A.
International Journal of Ecohydrology and Hydrobiology
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2008
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tom 08
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nr 1
The effects of hydrogels on the soil water retention characteristic curve (WRC) and on the growth indices of Ligusrum ovalifolium (an ornamental plant dominating in the landscape of central Iran) were studied. Various amounts of hydrogels (Suprab A200) were added to soil samples having different percentage of water proportional to potential evapotranspiration data. A factorial experiment was used for statistical analysis of data. The results of the soil water retention model showed that, hydrogel caused the residual water content and saturated water content to increase. Available water content increases to a maximum of about 2.3 times the control. Application of hydrogels can result in significant reduction in the required irrigation frequency particularly for coarse-textured soils. This is an important issue in arid and semi-arid regions of the world for enhancing the water management of coarse-textured soils.
3

Enhancing the nutritional value of poultry feedstuffs using the example of rapeseed products - a review

80%
Kozlowski K., Jeroch H.
Annals of Animal Science
|
2014
|
tom 14
|
nr 2
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