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Viewing Topic "clove oil questions"

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Posted By: Dik Liu
Total Posts: 6
Joined Date: Jun 10, 2016

Milt K: >what number of years are we talking about. i have used clove for decades.<

Milt, more specifically, how many years have you been using clove oil? How much do you use? Have you seen any darkening in your paintings?

I might be able to address your concerns regarding toxicity, as I have looked into this issue. Yes, clove oil is toxic. This is because 80% of clove is eugenol oil, which is a toxic substance. I learned that according to Allen's Encyclopedia of Pure Materia Medica first, eugenol oil poisoning can cause "profound sleep"; in other words, episodic hypersomnia. 

In one documented case of clove oil poisoning, the patient suffered from hypersomnia and this was following by confusion and possibly fugue state. 



Posted : Oct 28, 2017
Posted By: George O'Hanlon
Total Posts: 2258
Joined Date: Jun 15, 2004

There is no data about how soon it darkens and even to what extent. No painting should be placed in direct sunlight. Artificial light or indirect sunlight is sufficient to bleach a painting to its normal condition.

George O'Hanlon Technical Director Natural Pigments
Posted : Jul 14, 2017
Posted By: Milt K
Total Posts: 2
Joined Date: Jul 13, 2017

so but ,,,my other questions, what time lapse are we talking about,,,and you mentioned "direct light"

Posted : Jul 14, 2017
Posted By: George O'Hanlon
Total Posts: 2258
Joined Date: Jun 15, 2004

The issue is not only the darkening of clove oil, but more importantly that changes the solubility of oil paint, making it more susceptible to solvents and cleaning.

I am not sure what you mean by "normal toxicity", but lead is only toxic if it is ingested.

George O'Hanlon Technical Director Natural Pigments
Posted : Jul 13, 2017
Posted By: Milt K
Total Posts: 2
Joined Date: Jul 13, 2017

i've been reading your recommendations for clove oil and i have a problem. clove oil is currently THE ONLY oil that works for me. i paint ala prima and frankly when the canvas dries my style of execution is compromised. on the larger paintings i need DAYS of fresh paint both on my palette and on the canvas. I CANNOT PAINT OVER DRIED CANVAS - after the second day, if the paint starts to dry i am encumbered. you mentioned clove darkens over time,,,and in direct light.   what number of years are we talking about. i have used clove for decades. you also mentioned "direct light". do you mean sitting in the sun direct light? because of course all my works hang in homes.

and someone mentioned toxicity. is this lead toxicity, normal toxicity that everyone worries about, or just don't eat a tube?

 

thx,,,milt

Posted : Jul 13, 2017

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