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词汇 raffinose
释义

Definition of raffinose in English:

raffinose

noun ˈrafɪnəʊsˈrafɪnəʊzˈrafəˌnōs
mass nounChemistry
  • A sugar present in sugar beet, cotton seed, and many cereals. It is a trisaccharide containing glucose, galactose, and fructose units.

    〔化〕密三糖,棉子糖

    Example sentencesExamples
    • Cells were released from the arrest by filtration and resuspended in fresh media with raffinose and galactose.
    • Maximal survival was obtained after drying protoplasts with a mixture of sucrose and raffinose, while pure sucrose and trehalose were somewhat less effective protectants.
    • In addition, sugars such as raffinose and sucrose are indicated to have important roles in protecting cells from water stress.
    • Another digestive enzyme, alpha-galactosidase, may reduce the gas caused by beans and other carbohydrates containing the sugar raffinose.
    • A standard mixture of glucose, fructose, sucrose, and raffinose was prepared from stock solutions and used for calibration and as an external standard for determining elution volumes.

Origin

Late 19th century: from French raffiner 'refine' + -ose2.

Definition of raffinose in US English:

raffinose

nounˈrafəˌnōs
Chemistry
  • A sugar present in sugar beet, cotton seed, and many grains. It is a trisaccharide containing glucose, galactose, and fructose units.

    〔化〕密三糖,棉子糖

    Example sentencesExamples
    • Another digestive enzyme, alpha-galactosidase, may reduce the gas caused by beans and other carbohydrates containing the sugar raffinose.
    • In addition, sugars such as raffinose and sucrose are indicated to have important roles in protecting cells from water stress.
    • A standard mixture of glucose, fructose, sucrose, and raffinose was prepared from stock solutions and used for calibration and as an external standard for determining elution volumes.
    • Cells were released from the arrest by filtration and resuspended in fresh media with raffinose and galactose.
    • Maximal survival was obtained after drying protoplasts with a mixture of sucrose and raffinose, while pure sucrose and trehalose were somewhat less effective protectants.

Origin

Late 19th century: from French raffiner ‘refine’ + -ose.

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