Chemically starch contains two components: mainly α-amylose (which stains red with iodine) and minorly β-amylose (only 20-30 per cent forming helical chain structure and stains blue with iodine).

Divers Gentlemen walking the ſtreets ſomewhat late where the Goldfinders were at worke, fie fellowes ſay they, what a beaſtly ſtinke doe yee make? To whom one of the moſt ancient amongſt them replyed; If gentlemen, you or ſuch as you would keepe your tailes ſtopped, you ſhould not now need to ſtop your noſes.

Though of their Names in heavenly Records now / Be no memorial, blotted out and ras'd / By thir Rebellion, from the Books of Life.

And I have one [bezoar] form'd round the Stone of that great Plum, which comes pickled from thence, and is called Mango.