Tag Archives: indigo

  The transition from natural to synthetic indigo occurred by way of extremely tough commercial competition. The British tried to defend their interests in the natural indigo trade, while German factories were inundated with orders for synthetic indigo. Indigo arrived in American ports where the chemical industry was still underdeveloped, …

  The field of chemistry began to work with indigo starting around 1800 and more than 80 years of research were required to obtain uniform dyes of acceptable quality. Thus the procedure for industrially synthesizing indigo was discovered. In 1883 the Germain university scholar Adolf von Baeyer, who collaborated with …

  The cultivation of woad was especially profitable and was such an important source of income that it came to be called “blue gold”. Indigo (from the Latin indicum, that is ,coming from India), on the other hand, was obtained from the plant Indigofera tinctoria and began to be used …

  La coltivazione del guado era particolarmente fiorente e costituiva un’importante fonte di reddito tanto da essere chiamato “oro blu”. Il vero e proprio indaco (dal latino indicum, cioè proveniente dall’India) si ricava invece dalla pianta Indigofera tinctoria e comincia ad essere utilizzata per tingere i tessuti intorno al 1498, …

  Blue dye obtained from various plants of the Indigofera genus, from which it is extracted after a process of maceration in water. Tradizionally used in pre-Columbian America and India, it spread from there to China and Japan, and then by means of Jewish merchants and dyers operating in the …