ACTH is a segment of a much larger glycoprotein prohormone molecule called proopiomelanocortin (POMC). POMC is synthesized by the corticotrophs of the anterior pituitary, which constitute about 10 percent of the gland.
Caviar harvested from an older fish is the more rare, and more sought after, white caviar. The Beluga sturgeon are primarily found in the Caspian Sea, which is surrounded by Iran, Azerbaijan, Russia, Kazakhstan and Turkmenistan. The other primary source of Beluga sturgeon is the Black Sea near Russia and Romania.
Just about all 26 species of sturgeon have been used for caviar. Caviar is judged on its color, flavor, texture and maturity The finest, most expensive caviars are older, larger eggs that are lighter in color.Lower quality caviar is younger, with a less intensely fishy flavor, and darker in color.Itâs a good thing, too, for caviar newbies, who are more likely to start on the cheaper, milder stuff. Caviar lasts more than a day Because itâs technically cured fish, caviar has a decent shelf-life, even after itâs opened.ust about all 26 species of sturgeon have been used for caviar. Caviar is judged on its color, flavor, texture and maturity The finest, most expensive caviars are older, larger eggs that are lighter in color.