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 pectin ['pektin]   添加此单词到默认生词本
n. 果胶

[化] 果胶

[医] 果胶, 粘胶质




    pectin
    [ noun ]
    any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams
    <noun.substance>


    Pectin \Pec"tin\, n. [Gr. ? curdled, congealed, from ? to make
    fast or stiff: cf. F. pectine.] (Chem.)
    One of a series of carbohydrates, commonly called {vegetable
    jelly}, found very widely distributed in the vegetable
    kingdom, especially in ripe fleshy fruits, as apples,
    cranberries, etc. It is extracted as variously colored,
    translucent substances, which are soluble in hot water but
    become viscous on cooling.

    1. UK operating margins, although increasing, are still held back by the lower margin beer and soft drinks operations, but would benefit from the disposal or closure of the pectin business.
    2. Researchers from the university's Institute of Food and Agricultural Sciences are helping Ukrainian colleagues to develop a process for extracting pectin from sugar beets, said Donald Price, vice president for sponsored research.
    3. "This collaboration will serve as a giant clinical study on the effectiveness of pectin in treating these illnesses," Price said.
    4. The tomato is made with a gene that reduces the expression of a naturally occurring enzyme that otherwise cause the breakdown of pectin in fruit.
    5. However, pre-tax profits are likely to be around Pounds 4m following exceptional charges for restructuring, including the exit from soft drinks announced in May and losses from the disposal of its pectin business.
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