| 单词 | trehala-manna |
| 释义 | > as lemmastrehala-manna The substance of the cocoons of a coleopterous insect, Larinus maculatus, found in Asia Minor; also called trehala-manna, Turkish or Syrian manna. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Coleoptera or beetles and weevils > [noun] > substance of cocoon of larinus maculatus trehala1862 nest-sugar1890 1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 300 When pulverised trehala manna is treated with boiling alcohol, trehalose sometimes crystallises from the extract on cooling. 1868 H. Watts Dict. Chem. V. 878 Trehala or tricala, a substance imported from Persia, and consisting of the hollow cocoons of a coleopterous insect (Larinus maculatus). The larva of this insect eats the branches of Echinops persica, for the sake of the sugar, starch, and gum contained in them, and afterwards voids these substances to form its cocoon... Trehala has a sweetish taste, swells up in water, and is converted into a thick mucilaginous paste. < as lemmas |
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