Vaseline petroleum which I have named Vaseline..." The name "vaseline" is said by the manufacturer to be derived from German "Wasser" "water" + Greek έλαιον ("elaion") "olive oil". In 1859, Chesebrough went to the oil fields in Titusville, Pennsylvania, and learned of a residue called "rod wax" that had to be periodically removed from oil rig pumps. The oil workers had been using the substance to heal cuts and burns. Chesebrough took samples of the rod wax back to Brooklyn, extracted the usable petroleum jelly, and began manufacturing the medicinal product he called Vaseline. Vaseline was made by the Chesebrough Manufacturing
Grass jelly then cooling the liquid to a jelly-like consistency. This jelly can be cut into cubes or other forms, and then mixed with syrup to produce a drink or dessert thought to have cooling ("yin") properties, which makes it typically consumed during hot weather. The jelly itself is fragrant, with a smoky undertone, and is a translucent dark brown, sometimes perceived to be black. Food coloring may sometimes be added to make it darker. Some other variants of grass jelly, known as green grass jelly, don't require cooking or heating process to make, only requiring a mixture of leaf extracts and