Ten merits (scientific name: mahonia fortunei) aliases: Narrow Leaf Ten Merits, Fine Leaf Ten Merits, Fushi Ten Merits, Meritorious Wood, Wood Yellow Lotus, Bamboo Leaf Yellow Lotus Iron Bagua, West Wind Bamboo, Mao'er Head, Mountain Coptis chinensis, Coptis chinensis, Yellow Sky Bamboo, Coptis chinensis, Coptis chinensis, Coptis chinensis. It is a plant of the ten major genera of Berberaceae.
Guangxi, Hubei, Jiangxi, Sichuan, Zhejiang, Guizhou and other places in Chinese mainland are found in shrubs, mountain slopes and valleys, forests, roadsides and riversides, and are widely cultivated in the Yangtze River Basin, and a small amount of cultivation is also introduced in North China.
Chemical Composition: Contains berberine, palmatine, jatrorrhizine, magnoflorine. It has inhibitory effect on Staphylococcus aureus, dysentery bacillus and coliform bacteria.
The fruit is also called "meritorious son". The merit is the fruit of the Berberaceae plant broad-leaved, fine-leaved or South China. Blue-black, with a white-powdery surface, shrunken, and several brown seeds inside.
It is documented as medicinal. There is no mention of it as a natural plant dye. This time, I got credit for the Qingcheng Mountain occasion, and I did the dyeing practice at that time, and the effect was excellent. After returning to Beijing, I did a comprehensive dyeing practice. The effect is good, but it is very sensitive to pH. The water quality in Beijing is quite alkaline, and it changes color after dyeing. The hue is very different from that dyed in the south.
Dye extraction and dyeing process:
Freshly remove impurities and wash.
One kilogram of leaves plus five liters of water.
Bring to a boil over high heat, reduce heat to low and cook for 30 minutes.
Filtration. Repeat the above process again, filtering.
The two passes of the dye solution are combined.
The cloth is soaked through.
The dye solution is heated with mordant.
When the dye solution is 35, the cloth is added for dyeing.
Keep flipping. Temperature 50, time 40 min staining completed.
Wring it out and wash and let it dry.
After experiments, the color fastness to dyeing on cotton and silk is acceptable, and it is an excellent natural plant dye.
Dyeing experiment: Huang Ronghua, National Dyeing Museum
Date: October 28, 2013.
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