Ask A Scientist Chemistry Archive

name         Ellen N.
status       educator
age          40s

Question -   How does one learn what pigments are in various plants,
especially those that are used as natural dyes? I am wondering which
natural dyes are sensitive to pH and would suppose that the presence of
anthocyanins would tell me that. Are other pigments pH sensitive?
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Dear Ellen,
The following might be helpful:
http://www.fed.cuhk.edu.hk/~johnson/extra/indicators.htm
http://www.ars.usda.gov/is/kids/mailbag/flowercolors/flowerpetals.htm
http://www.carolina.com/manuals/manuals8/Power%20of%20Flowers.pdf
Sincerely,

Anthony R. Brach
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