Coconut water ordinary aluminum cans, Tetra Paks, or plastic bottles, sometimes with coconut pulp or coconut jelly included. Coconut water can be fermented to produce coconut vinegar. It is also used to make "nata de coco", a jelly-like food. Providing 19 calories in a amount, coconut water is 95% water and 4% carbohydrates, with protein and total fat content under 1% each (table). Coconut water contains small amounts of vitamins and dietary minerals, all under 10% of the Daily Value (DV)(table). One health risk arising from excessive consumption of coconut water is an overabundance of potassium in the blood (hyperkalemia), inducing acute
Fermi liquid theory non-interacting fermions), and why other properties differ. Important examples of where Fermi liquid theory has been successfully applied are most notably electrons in most metals and Liquid He-3. Liquid He-3 is a Fermi liquid at low temperatures (but not low enough to be in its superfluid phase). Helium-3 is an isotope of helium, with 2 protons, 1 neutron and 2 electrons per atom. Because there is an odd number of fermions inside the nucleus, the atom itself is also a fermion. The electrons in a normal (non-superconducting) metal also form a Fermi liquid, as do the nucleons (protons and neutrons)