update: / / chitosan is a type of fiber derived from chitin, a substance that develops in the hard outer shells of crustaceans such as crab, crayfish, shrimp and squid. like other forms of fiber, chitosan is indigestible and it moves through the gastrointestinal system without being absorbed. chitosan...
update: / / chitosan is a type of fiber derived from chitin, a substance that develops in the hard outer shells of crustaceans such as crab, crayfish, shrimp and squid. like other forms of fiber, chitosan is indigestible and it moves through the gastrointestinal system without being absorbed. chitosan...
different terpenes, turpentines vary a great deal in composition. fresh turpentine is colourless, but as the terpenes oxidate – which they do readily and continuously – the liquid becomes more of a yellow colour. turpentine has a strong smell derived from its constituent terpenes. the oldest way of...