What is the scientific name for starch

Here is its complicated name: (2R, 3S, 4S, 5R, 6R) - 2 - (hydroxymethyl) - 6-[ (2R, 3S, 4R, 5R, 6S) - 4,5,6-trihydroxy-2 - (hydroxymethyl) oxan-3-yl]oxy-oxane-3,4,5-triol

And here is its other name: amylum