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单词 hematein
释义

Definition of hematein in US English:

hematein

nounˈhēməˌtēnˌhēməˈtē-in
  • A reddish-brown crystalline dye obtained from logwood and used as a stain and indicator.

    Chemical formula C₁₆H₁₂O₆

    Example sentencesExamples
    • The extract from the heartwood is not a dye until it undergoes oxidation into hematein, which is an acid chromogen.
    • The yellow color of glycogen is difficult to explain, but it may be due to unmordanted hematein.
    • Commercial extract of logwood extracted from the wood by boiling water contains both hematoxylin and hematein.
    • Both hematoxylin and hematein are still commonly used for bacteriological and histological stains.
    • This is the HCK S grade of hematein, manufactured to specific values for this important use.

Definition of hematein in US English:

hematein

nounˌhēməˈtē-in
  • A reddish-brown crystalline dye obtained from logwood and used as a stain and indicator.

    Chemical formula C₁₆H₁₂O₆

    Example sentencesExamples
    • The yellow color of glycogen is difficult to explain, but it may be due to unmordanted hematein.
    • This is the HCK S grade of hematein, manufactured to specific values for this important use.
    • The extract from the heartwood is not a dye until it undergoes oxidation into hematein, which is an acid chromogen.
    • Commercial extract of logwood extracted from the wood by boiling water contains both hematoxylin and hematein.
    • Both hematoxylin and hematein are still commonly used for bacteriological and histological stains.
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更新时间:2024/9/21 15:23:24