Coconut water is a workable short-term substitute for human blood plasma and was positively tested as emergency intravenous fluid as far back as the 1950s. Coconut water is also low in calories, carbohydrates, and sugars, and almost completely fat-free. In addition, it is high in ascorbic acid, B vitamins, and proteins. The soft meat inside the coconut helps to restore oxidative tissue damage and contains a source of healthy fats, proteins, vitamins, and minerals.
Gas mask manufacturers in the US developed the use of steam-activated coconut char, obtained by burning coconut husks as an important component in gas mask production. They found that masks using coconut carbon were superior at filtering noxious substances. Coconut carbon is still an important ingredient in cleaning up radiation and was heavily used in the cleanup project at the Fukushima nuclear plant.
Coconut lumber is a good building material, a fossil fuel alternative, and coconut trees can produce oil in workable quantities.
In the Philippines, sap from an unopened coconut flower is distilled into a potent drink called lambanog. It is 80 to 90 proof, but is organic and chemical-free. Lambanog is traditionally homemade, but some commercial distilleries have introduced several flavors into the market, such as mango, bubblegum, and blueberry.
Coconut armor consisted of a cap, body armor, back plate, leggings, and a close-fitting jacket. A high collar in the back protected the warrior from stones thrown from his own side.
Coconut butter is the flesh of the coconut which has been ground into butter. It is creamier than the oil, and makes a great dairy-free spread.
Coconut oil is an edible oil extracted from the meat of mature coconuts. Use coconut oil to remove heavy makeup. Rub into your skin, leave it on for a few minutes, and wipe it all off with a warm cloth. Treat dry, flaky cuticles by rubbing coconut oil into your nail beds. Use your fingers to massage some oil into the area and it will moisturize your hands.
Use coconut oil to lubricate a squeaky hinge
Coconut meat can be eaten raw, cooked, or as a preserve. You can top salads with shredded or grated, lightly toasted coconut meat. You can use a blender to make it into smoothies. Coconut meat is high in fiber, polyphenols, and phytosterols, and can decrease the levels of LDL cholesterol.