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black catechu

/blæk ˈkætʃuː/

翻译: 一种从某些金合欢属树木的心材中提取的深色收敛性提取物,用于传统医学、皮革鞣制,也用作食品添加剂或染料。

1 个条目

phrase

/blæk ˈkætʃuː/C1formaltechnical
  • zh一种从某些金合欢属树木的心材中提取的深色收敛性提取物,用于传统医学、皮革鞣制,也用作食品添加剂或染料。

A dark, astringent extract obtained from the heartwood of certain acacia trees, used in traditional medicine, tanning, and as a food additive or dye.

  1. Extract from acacia treesC2formal

    A dark, astringent extract obtained from the heartwood of certain acacia trees, used in traditional medicine and as a dye.

    zh黑儿茶

    • Black catechu is often used in Ayurvedic remedies for digestive issues.
    • The tannins in black catechu give it its astringent properties.
    • Historically, black catechu was used to dye fabrics a deep brown color.