Tag Archives: botanical dye

Plant Dyes and Your Health

Did you know that textiles dyed with plant dyes can be good for you?
As a part of my personal search for a healthier lifestyle, I am on an ongoing quest to learn more about natural plant dyes, their uses and how to achieve the range of colours that plant dyes can produce. In this age of mass production, I fear that we are losing much of the knowledge that our ancestors had about how to make things using the raw materials that nature provides.

In my latest googling, I made a remarkable discovery (well, remarkable to me at least, as I had never heard of this before) Most natural plant dyes are anti-microbial. When yarns or fabrics are dyed using natural dyes and come into contact with bacteria, they prevent their spread.

Amazing, right? It is amazing to think that our ancestors who made and wore natural plant dyed fabrics, before the days of antibiotics or even much knowledge about germs, were also giving themselves protection against the spread of disease- Naturally.

Nature looks after us. The trees and plants clean our air. Roots of some plants clean up the soil, removing hazardous materials. Plants provide humans and other animals food to live on. Plants provide us with clothing (such as flax and cotton) Before the age of pharmaceuticals, plants were used as medicines. Plants also add colour to our clothing. And in addition to that, the natural dyes from the plants reduced the spread of harmful bacteria.

Yet here we are, purposefully destroying our whole eco-system that has sustained us for thousands of years.
We are becoming increasingly aware of the harmful effects of fossil fuels, of the use of plastics that pollute our rivers and streams, of the destruction of the rain forests. The problem seems insurmountable as our planet struggles with climate change.

I think to tackle part of this plastics problem, we have to start small, with the positive things that we can do within our own environment. Saying no to plastic bags, re-using and recycling whenever possible. Making changes to our buying habits. Shopping for locally produced foods and materials. Read labels – don’t buy products that contain plastics, acrylics, polyester.

As part of this, I think that textile crafters can play a huge part in this – choosing not to use yarns and fabrics that contain plastic content. Buy natural wools, cottons, linen, hemp, alpaca, mohair, silk and other natural fibres instead. Say no to superwash yarns. And in helping to revive the traditional crafts and skills of textiles, working with fibres, spinning, weaving, natural dyes. I know that it is currently quite difficult to source and find natural wools but a few are still available. Yes, clothes may need a bit of extra care when washing, but then you know that your washing machine is not flushing micro-plastics into our water systems.

Clothing is one of our major commodities and fabric and clothing manufacturing is a high polluter. If demand for plastics and synthetic fibres diminish, the industry will change. Knit, crochet, weave and wear yarns and clothing that have been dyed with natural plant materials rather than harmful synthetic dyes. Experiment with using and making natural dyes. Some of these dye plants can be found in your kitchen – such as promegranate peels, onion skins, turmeric and other spices. If you have space, plant some trees and a dye garden. The bonus of using natural materials rather than synthetics is, that your clothing will also provide you with some protection against diseases, reducing the need for antibiotic use.

Natural dyes are a good thing. In my research, I came across numerous research studies that have been done in the past several years about dye plants and their effectiveness against harmful microbes such as:
Escherichia coli
Sarcina lutea
Proteus vulgaris
Bacillus subtilis
Klebsiella pneumoniae
Staphylocccus aures
Enterococcus faecalis
Saccharomyces cerevisiae
Candida albicans

Researchers have been investigating the anti-microbial properties of plant dyes in order to develop commercial applications to produce textiles for use in hospital and clinical situations to help reduce the harmful spread of bacteria.
Some of the plants were more effective against different bacteria than others. Also stronger dye concentrations had higher microbial effects. I suppose that if you wore clothing of different colours and dyed with different dye plants, there might be a synergistic effect, giving you better microbe resistance. Also perhaps overdye techniques could be used with the dyes, producing different colours as well as added resistance.
In addition to confirming that many natural dye plants have bacteria killing properties, they also tested the washability of the plant dyes and found that the dyes were wash fast and the anti-microbial effects did not wash out of the textiles when they were properly mordanted.
Potassium aluminum sulphate (Alum) was used in most of the studies as a mordant.

Some of the natural plant dyes that have been tested with positive results for their antimicrobial resistance are:

LATIN NAME – PART OF PLANT/COLOUR – COMMON NAME (links to Dye Recipes)
Rhamnus petiolaris –  Fruit Yellow-orange – Persian berries, Buckthorn bark
Juglans regia –  Green fruit- peel Brown – Walnut
Laurus nobilis –  Leaf, Light yellow –  Bay tree
Erica manipuliflora –  Above ground – Brown, yellow, – Heather
Vitex   Leaf Light brown, greenish –  Chaste Tree
Juniperus foetidissima – Leaf, Light yellow, -Juniper
Juniperus excelsa – Leaf , Light yellow, – Greek Juniper
Berberis vulgaris – Fruit, Yellow-Orange –  Barberry
Lawsonia inermis  -Leaf Red, Brown -Henna
Agrimonia eupatoria – Leaf, Yellow  – Agrimony
Cistus creticus –  Leaf, Brown Yellow – Cretan rockrose
Reseda lutea-  Flower, Yellow –  Weld
Sambucus nigra – Leaf, Yellow – Elderberry
Punica granatum – Fruit peel, Yellow -Pomegranate
Eucalyptus globulus  – Leaf  – Eucalyptus
Matricaria chamomilla  – Flower  – camomile
Pinus brutia –  Bark , Brown – Pine tree
Platanus orientalis – Bark , Red, Sycamore –  Oriental Plane
Cartamus tinctorius -Flower, Yellow ,- Safflower
Salvia officinalis ,Leaf  – Yellow-orange, green –  Sage
Verbascum orientale – Leaf, yellow – Mullein
Allium cepa – Dry outer leaf, Yellow-orange – Onion
Rhus coriaria – Flower ,Yellow, brown  – Sumac
Curcuma longa – Flower, Yellow – Turmeric
Olea europaea – Leaf , Yellow-green –  Olive tree
Quercus infectoria – Oak galls
Acacia Catechu –  Cutch
Rheum Emodi – Himalayan rhubarb
Rubia cordifolia –  Indian madder
Rumex maritimus – Golden dock
Lithospermum purpureocaeruleum -Shikonin –  Purple Gromwell
Alkanna tinctoria – Alkanet
Haematoxylum campechianum – heartwood, blues, grey, brown, black – Logwood
Butea monosperma – Flowers, yellow – Bastard Teak Flame of the Forest
Rheum australe – Rhizomes, oranges, yellow – Himalayan Rhubarb

With winter and ‘flu season coming up, perhaps it is time to knit a scarf using naturally dyed yarns?

References
Antimicrobial Activities of Some Natural Dyes and Dyed Wool Yarn
In this study researchers tested 25 natural dye plants for their effectiveness against micro-organisms.
Punica granatum (Pomegranate peels) Berberis vulgaris (Barberry), Agrimonia eupatoria (Agrimony), Rhus coriaria (Sumac) were effective against all bacteria. Sarcina lutea, Bacillus subtilis, MRSA and Enterococcus faecalis were sensitive to almost all dye extracts even at low concentrations. The dyed wool material tested with microorganisms, and maximum inhibition rates were obtained against S. lutea and MRSA of wool samples dyed with P. granatum and R. coriaria, respectively, while there was a drastic decrease in E. faecalis growth with the A. cepa (Onion skins) and R. petiolaris (Buckthorn).

Antibacterial Activity of Cationised Cotton Dyed with Some Natural Dyes
Madder, Logwood, Cutch and Chelidonium majus (Greater Celindine) were tested against common pathogens Escherichia Coli, Staphylococcus aureus, Aspergillus favus and Candida albicans. Chelidonium majus dye was most effective and showed maximum zone of inhibition there by indicating best antimicrobial activity against all the microbes tested.

Antimicrobial activity of some natural dyes
Four natural dyes Acacia catechu (Cutch), Kerria lacca (Lac), Quercus infectoria (Oak Galls), Rubia cordifolia (Indian Madder) and Rumex maritimus (Golden Dock) were tested against common pathogens Escherichia coli, Bacillus subtilis, Klebsiella pneumoniae, Proteus vulgaris and Pseudomonas aeruginosa. Quercus infectoria dye was most effective and showed maximum zone of inhibition thereby indicating best antimicrobial activity against all the microbes tested.

Antibacterial Efficacy of Natural Dye from Melia compositaLeaves and Its Application in Sanitized and Protective Textiles
“Almost all these synthetic colorants being synthesized
from petrochemical sources through hazardous chemical processes
pose threat towards the environment and human body health.”
.
“Worldwide environmental consciousness coupled with increased awareness of environmental hazards of synthetic dyes has led to the revival of interest in natural dyes due to their non-polluting and nontoxic nature. Consequently, numerous researches in recent years have focused on development of non toxic and eco-friendly natural dyes for textiles colouration6. Natural dyes are being preferred over synthetics owing to their eco-friendliness i.e. they do not create any
environmental problems at the stage of production or use
.  Furthermore, in addition to their dye-yielding characteristics, some of dyeyielding plants also possess medicinal value. Some natural dyes have
intrinsic additional properties such as antibacterial, antifungal, moth
proof, anti-allergy, anti-UV, etc”

Melia composita (China berry) leaves were extracted into boiling water for 70 minutes. The extract was used to dye silk, wool and cotton. The fabric dyed with the natural dye was tested against gram
positive bacteria, Staphylococcus aureus, Streptococcus epidermidis
and Bacillus cereus and gram negative bacteria, Escherichia coli,
Klebsiella pneumonia, Shigella flexneri and Proteus vulgaris. The dyed samples were evaluated against Ampicillin and Streptomycin. Ampicillin and Streptomycin. “The study led to the conclusion that leaves of Melia composita can be a potential source of ecofriendly natural dye with
remarkable antibacterial potency and the textile materials dyed with
this natural dye can be very useful in developing sanitized fabrics for
medical applications and protective clothing to protect users against common infections.

Natural dyes and its Antimicrobial Effect
Textile manufacturers are aware that there is a growing trend to natural and environmentally safe products.The International Journal of Engineering Trends and Technology (IJETT) –Volume-42 Number-3 -December 2016 states that:
“In the early 21st century, the market for natural dyes in the fashion industry is experiencing a resurge.Westernconsumers have become more concerned about the health and environmental impact of synthetic dyes in manufacturing and there is a growing demand for products that use natural dyes.Completely capturing the market with natural dyed fabric is an urgent need to maintain a safe environment. “

Colour, health and wellbeing: The hidden qualities and properties of natural dyes
In the journal of the International Colour Association (2013), Kate Wells discusses the possibilites of the uses of natural dyes to improve the health and well-being of mankind.

More
No-Nylon Sock Knitting

Natural Dye Books

The Wild Dyer: A Maker’s Guide to Natural Dyes with Projects to Create and Stitch (learn how to forage for plants, prepare textiles for dyeing, and … from coasters to a patchwork blanket)

The Modern Natural Dyer: A Comprehensive Guide to Dyeing Silk, Wool, Linen and Cotton at Home

The Art and Craft of Natural Dyeing: Traditional Recipes for Modern Use

A Weaver’s Garden: Growing Plants for Natural Dyes and Fibers

A Heritage of Colour: Natural Dyes Past and Present

Natural Dyes: Sources, Traditions, Technology & Science

Apple Leaf Dye

We planted an espalier apple tree 2 years ago when we moved to our new property. This year we had our first successful apple crop.

Espalier Apple Tree
Espalier Apple Tree

Apples
Apples

Every fruit tree needs occasional pruning. When you prune the small branches – do not throw them away. Both the leaves and the twigs and branches can be used for natural dyeing.
I separated the leaves from the branches and put them into buckets to store them for later use.

Apple Tree Leaves
Apple Tree Leaves

I filled a dyepot with some of the apple leaves (the rest of the leaves will be used later for another dye session.)
I added water and put the dyepot onto boil. I let it simmer for a few hours and then turned off the heat and let the dye solution sit overnight. I find that when working with plant dyes, it is better to leave them for several hours/overnight to allow more of the dye to soak out of the plant and into the water.

Apple leaves can be dyed without mordant as there are some natural tannins in the leaves.
I tested this by mordanting one skein in an alum mordant and leaving one wool skein unmordanted.

The following day, I reheated the apple leaf dye, leaving the leaves in the dyepot. I added the 2 skeins of wool into the dyepot and let them simmer for a few hours, stirring the pot from time to time.
I then turned off the heat and left the wool yarn to soak in the dye stock overnight. Again, I find that I get much stronger colours with natural dyes if I leave them in the dye solution overnight. Natural dyeing is a slow process, not to be rushed.

Apple Leaf Yarn
Apple Leaf Yarn
Apple Leaf Dyed Yarn
Apple Leaf Dyed Yarn
Apple Leaf Dyed Handspun
Apple Leaf Dyed Handspun

Both the mordanted and unmordanted yarns gave a lovely golden shade of yellow. I found that the alum mordanted yarn was slightly brighter in shade.

I am pleased that I still have lots of apple leaves for another dye project and that the apple tree bark awaits for another dye day.

More About Natural Dyes
How to Scour and Mordant Cotton and Linen
How to Make an Alum Mordant: how_alum_mordant
Brazilwood Dye

Natural Plant Dye Books

The Art and Science of Natural Dyes: Principles, Experiments, and Results

Wild Color, Revised and Updated Edition: The Complete Guide to Making and Using Natural Dyes

True Colors: World Masters of Natural Dyes and Pigments

Eco Colour: Botanical Dyes for Beautiful Textiles

A Weaver’s Garden: Growing Plants for Natural Dyes and Fibers

Natural Dyes

Handspun Yarn on EBay

Natural Dyes Osage Orange: blosage

Osage dye

Osage Orange Natural Dye
Maclura pomifera
Osage Orange comes from a tree native to Arkansas and Texas. Its wood makes a clear lemon yellow dye.Time Required:
12 hours

  • Use clean, premordanted wool or yarn.
  • Measure the Osage Orange chips or sawdust (25% – 100% WOG) into a nylon stocking and into small dish.
  • Add water and allow to sit overnight.
  • Pour the stocking and the water into dyepot filled with hot water and simmer for 1 hour.
  • Add premordanted fibre or yarn into the dyepot and simmer for 1 hour.
  • Allow the dyepot to cool.
  • Remove the fibre or yarn from the dyepot, rinse and let dry.

osage orange yarn

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Tips:

  • Try alum or tin premordants.
  • Try overdyeing the osage orange with other colours such as indigo or logwood. 

More Organic Dye Recipes

Sandalwood
Osage Orange
Logwood
Mushroom Dyes
Tin Mordant
Alum Mordant
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Natural Dye Books
Harvesting Color: How to Find Plants and Make Natural Dyes
Harvesting Color: How to Find Plants and Make Natural Dyes
Natural Dyes
Botanical Colour at your Fingertips
A Weaver’s Garden: Growing Plants for Natural Dyes and Fibers
Eco Colour: Botanical Dyes for Beautiful Textiles
Wild Color, Revised and Updated Edition: The Complete Guide to Making and Using Natural Dyes

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