it absorbs the invisible ultraviolet rays and
re-radiates them in the visible part of the
light spectrum. It thus amplifies the
dimmer sucrose glow to the point that, in a
dark room, we can see blue flashes when
the candy is crushed.
Chewy Jelly and Paste Candies; Marzipan
A number of different candies are made by
incorporating a sugar syrup into a solution of
starch, gelatin, pectin, or plant gums, and then
allowing the mixture to solidify into a dense,
chewy mass. In Japan and elsewhere in Asia,
sweets are often gelled with the seaweed
extract agar (p. 609), which is effective in
unusually small amounts (as little as 0.1% of
the mix).
Turkish Delight Turkish delight, or lokum
rahat in Turkish, is one of the most venerable
of this kind, having been made in the Middle
East and the Balkans for centuries. It is
thickened with starch (around 4%),