But if the liver is inflamed or injured, ALT is released into the bloodstream. Measuring blood levels of ALT can give doctors important information about the liver and whether a disease, inflammation, drug, or other problem is affecting it.
Potatoes are ready for harvest when the foliage first starts to die and turn yellow. Early (new) potatoes can be lifted earlier (no earlier than June ) to get the very tastiest potatoes. In this case, harvest them about a week after the potato plant flowers first appear. New potatoes only produce a couple of handfuls of potatoes per plant, so dig up the whole plant. After flowering.
To check whether a potato is done inside you could insert a thin sharp object such as a fine skewer or narrow unserrated knife. Move the knife or skewer slightly inside the potato to test for give, that is, movement inside.