The best are made from hard-skinned fruits, whose whole pulp is liquified by piercing the rind before the fruit is fully ripe, and closing the orifice with a wax-like substance, almost exactly according to a practice common in different parts of Asia.
"Across the Zodiac"
Percy Greg
The new element is a heavy gas at ordinary temperatures and, like other gases, can be liquified by extreme cold.
"The Birth-Time of the World and Other Scientific Essays"
J. (John) Joly
The Lucullan age fell into decay, although they feasted on young nightingales, drank liquified pearls, and squandered millions for delicacies and luxuries.
"The Progressionists, and Angela."
Conrad von Bolanden