1 Use this equation to calculate the concentration of the protein sample based on the measured absorbance. 2  Note: If the absorbance of the test sample is outside of the absorbance range for the standards, then the assay must be repeated with a more appropriate dilution, if any.
Click to see more answers to your questions. Simply put Japanese Knotweed is not poisonous, and isnât harmful to humans like other invasive species. In fact the knotweed can be used as a food source with a taste and texture likened to rhubarb.Apparently it can also be brewed into a type of beer.Now we are not suggesting you rush out and cook up a nice pie.lick to see more answers to your questions. Simply put Japanese Knotweed is not poisonous, and isnât harmful to humans like other invasive species. In fact the knotweed can be used as a food source with a taste and texture likened to rhubarb.
Chickweed makes a juicy addition to salads. Chickweed does contain saponins â natural soap â which in large enough quanitities are toxic. Indeed chickweed has been known to cause saponin poisoning in cattle. But it is rare and this is when the animal has eaten many kilos of the plant.his article is meant only as a guide to some of the plants that are available in late winter and early spring and is largely a record of my recent forages. It is not a complete treatment of all edible plants. Nor is it a complete treatment of all poisonous plants.