Yes | No Thank you! In both of my pregnancies, I took tests 1 - 2 days after my missed periods which both turned out negative. I waited about 3 more days both times and then each turned out positive. I guess it just depends on your hormones... by now, you should be fine trying another test. When in doubt, see your doctor.
Flavonoids are a large family of polyphenolic plant compounds. Six major subclasses of flavonoids, namely anthocyanidins, flavan-3-ols, flavonols, flavanones, flavones, and isoflavones, flavonols are the most widespread in the human diet. (More information)
Flavonoids include water soluble pigments (such as anthocyanins) that are found in cell vacuoles. [Note: Carotenoids are fat soluble pigments found in plastids.] You have probably observed water soluble anthocyanins if you have cut open a fresh head of red cabbage.etacyanins also produce the reddish color of flowers such as Bougainvillea.] Water soluble flavonoids (mostly anthocyanins) are responsible for the colors of many flowers and can range from red to blue, depending on the pH of the watery sap in the vacuoles.