Flavonoids and bioflavonoids are the same thing; they are the pigment found in fruit that give them their natural color. Brand names of vitamin C without flavonoids and bioflavonoids are Swanson and American Health.
Flavonoids are one type of antioxidant.
beta-carotene, flavonoids, carotenoids, lycopene, phytoene, phytofluene, quercetin, kaempferol, polyphenols.
It is claimed that the flavonoids found in this tea have been known to have cancer fighting qualities
Their ability to absorb ultraviolet light.
In the Shinoda test for flavonoids, a sample is added to pieces of magnesium and then hydrochloric acid is dripped on the sample. The color the sample turns indicates if there are flavonoids present or not.
Proanthocyanidins are polymer chains of flavonoids that are often found in tea and fruits. They are part of the larger class of polyphenols that are called flavanols.
yellow
yes
15
phenolics flavonoids and alkaloids
cinoda test