coralline limestone
Description
The noni based dyes (there are two forms, morindin and morindone) are naturally yellow but the colour is pH dependent, and is red above pH 10. Burnt coral lime (calcium hydroxide) can be used to raise the pH and produce a red dye.
Images
Details
Common Names
paper mulberry; Tonga, Niue: hiapo; Samoa: uʻa; Futuna: lafi; Cook Islands, Aotearoa New Zealand: aute; Hawai‘i: wuake; Fiji: malo, masi
Usage
chemical reactant
Part Used
all parts used
Colour Notes
Version
Entry created on 28 August 2020