ESSTEBIO PRIMROSE YELLOW

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The corolla tubes are orange-coloured tubes found inside the flower and when severed from the hand give a beautiful fleeting orange or golden dye.  Corolla tube contains a colouring matter, nyctanthin, which is identical with crocetin from saffron.

The dye is mostly used for silk, sometimes in combination with turmeric.  Half a seer of the dried corolla tubes will dye *0yards of silk cloth. Flowers are rich in yellow colouring matter, which is readily soluble in water.  The infusion produces very bright yellow colour on mulberry silk when properly mordanted; and when the right procedure is used this dye-stuff appears to be eminently suited for dyeing tussar silk yellow.  It has not such a great affinity for wool.

It is also used for colouring other kind of fabrics and for imparting colour to liquor. The whole flowers yield a fine buff or orange brown dye. It is much used in combination with other dyes.  The inner bark afford a red dye when beaten with a little lime. Bark yields a  tanning material, expectorant.