BACKGROUND Plant polyphenols are known for their limiting of adverse effects on reactive oxygen species (ROS) in biological systems. The photochemiluminescence (PCL) assay allows to evaluate the antiradical activity of a compound in the presence of a superoxide anion-radical (O •-), which is one of the ROS directly associated with the human body. In this work, determination of the superoxide an...

Most flowers display distinct colour patterns comprising two different areas. The peripheral large-area component of floral colour patterns attracts flower visitors from some distance and the central small-area component guides flower visitors towards landing sites. Whereas the peripheral colour is largely variable among species, the central colour, produced mostly by anthers and pollen or poll...

To identify effective light spectra for increasing the productivity of Panax ginseng, we conducted experiments in a controlled environment using hydroponic cultivation system plant factory. We investigated effect single LEDs (red, blue, and yellow) mixed (red + blue red white). The relationships between four yellow, white) physiological responses (net photosynthetic rate, stomata conductance, t...

Two new ectocarpic arbuscular mycorrhizal fungal species, Glomus drummondii and G. walkeri (Glomeromycota), found in maritime sand dunes of northern Poland and those adjacent to the Mediterranean Sea are described and illustrated. Mature spores of G. drummondii are pastel yellow to maize yellow, globose to subglobose, (58-)71(-85) micromdiam, or ovoid, 50-80x63-98 microm. Their wall consists of...

Purposeful attraction and aggregation of adult Coccinellidae at target sites would be useful for sampling purposes and pest suppression. We field-tested 1) lures in yellow and black pyramidal traps and 2) pyramidal traps that had been painted one or two colors (without lures) to determine if lures or trap color affected capture of adult Coccinellidae. In only one experiment with lures did a sin...

Bacterial diversity and community structure of two maize varieties (white and yellow) during fermentation/steeping for ogi production, and the influence of spontaneous fermentation on mycotoxin reduction in the gruel were studied. A total of 142 bacterial isolates obtained at 24-96 h intervals were preliminarily identified by conventional microbiological methods while 60 selected isolates were ...

A tangle of forms and colours passes before us (figure 1). A white background contains long sinuous brush strokes. Primary colours-yellow, red, and blue-mix with hues of oranges and greens. The yellow shades provide depth. The images seem to move all over the canvas. The red lines emerge from the white background, swirl, some mingle with the others, still others immediately vanish. On the left,...

Experiments with a strain of black-and-tan mice obtained from an English fancier* 'have shown that these mice contain a hi-therto undescribed gene which is allelomorphic to yellow, agouti, and non-agouti (black}, and: consequently forms a fifth member of this series of multiple allelomorphs. The black-and-tans used are jet black dorsally with a bright yellow belly and retain this coloration thr...

Lactarius pseudoaurantiozonatus, belonging to subg. Lactarius, is proposed as a new species from Anhui Province, China based on detailed morphology and molecular analyses (nrITS) region. characterized by pale yellow orange-yellow, zonate pileus, subglobose broadly ellipsoid basidiospores which measure 5.5–7.9 × 4.5–6.5 μm, white latex quickly turns olive-yellow, indistinct odor burning-acrid ta...