樟腦

Logwood（Haematoxylum campechianum）是豆科植物Fabaceae中的一種開花樹種，原產於墨西哥南部和中美洲北部，在經濟上仍然具有重要意義，並且在較小程度上仍然具有重要意義。 The modern nation of Belize grew from 17th century English logwood logging camps.伯利茲這個現代國家來自XNUMX世紀的英國伐木營地。 The tree's scientific name means "bloodwood" (haima being Greek for blood and xulon for wood).該樹的學名意為“血木”（haima是希臘語，代表血液，xulon代表木材）。
Logwood長期用作天然染料，至今仍是蘇木精的重要來源，蘇木精在組織學中用於染色。 The bark and leaves are also used in various medical applications.樹皮和樹葉也用於各種醫療應用。 In its time, logwood was considered a versatile dye, and was widely used on textiles but also for paper.The dye's colour depends on the mordant used as well as the pH.原木在當時被認為是一種多用途染料，被廣泛用於紡織品和紙張，染料的顏色取決於所用媒染劑和pH值。 It is reddish in an acidic environments but bluish in alkaline ones.在酸性環境中微紅，在鹼性環境中微藍。