Umami is a taste that is stimulated by amino acids and nucleotides. It is a savory, mouth filling, brothy, flavor intensifier that you experience regularly but may have never identified. This is why I think of it as a three dimensional taste.
Folate deficiency can cause anemia. Anemia is a condition in which you have too few RBCs. Anemia can deprive your tissues of oxygen it needs because RBCs carry the oxygen. This may affect their function. Folate is particularly important in women of childbearing age. A folate deficiency during pregnancy can lead to birth defects.
Vitamin deficiency anemia is a lack of healthy red blood cells caused when you have lower than normal amounts of certain vitamins. Vitamins linked to vitamin deficiency anemia include folate, vitamin B-12 and vitamin C. Vitamin deficiency anemia can occur if you don't eat enough folate, vitamin B-12 or vitamin C.