11 replies to this topic

[mait]

Hello! I have been taking the C60 in EVOO solution made by Sarah Vaughter. Here I have one problem: the color of this solution is brown and not reddish or purple. From the Baati et al., 2012 article they explicitly mention at the beginning of their discussion on paragraph 4.1 that:

It is well known that C60 and derivatives are prone to aggregate even in their best solvents [37]. The C60-olive oil solution used in this study can be considered as free of C60 aggregates because: 1 e its colour is purple that is characteristic of C60 solutions while the colour of C60 aggregate-containing solutions are rather brown, which is true even for water-soluble derivatives [3]; 2 e it is freely and instantaneously soluble in toluene in contrast to C60 aggregate containing solutions, which slowly dissolve even in the best solvents of C60. Besides, the concentrations of C60 in olive oil as determined by HPLC agree with those previously published by other authors [22].

[MacD]

I am also curious to this.

Perhaps we might be lucky enough for Sarah to reply here, or another member can share the colour of their c60oo.

[niner]

One of the factors in the color is how much you are looking through. I made a 750ml batch, and in a large bottle, its color was a deep red. However, when I looked at a smaller quantity, like 15ml in a tablespoon, it looked brown. Mine was 0.5mg/ml, a lower concentration than the commercial versions. I also got a bottle from carbon60oliveoil.com, and it appeared to be a dark purple color, even in small quantities. I'm kind of concerned about all these color variations, because it might mean that we have different chemical species. I didn't take any major precautions to avoid oxidation, for example.

[xEva]

I also noticed that Carbon's oil was purple while both batches I made are reddish/brownish. The color is deep red/purple only when looked at with incandescent light behind. But the oil I used was very green to begin with (California Ranch) while Carbon's seemed clear, lighter oil. Is it possible that green phenols of the extra-virgin oo are to blame? Or is it something else?

Who got a nice purple color, like Carbon's -- what brand of oil did you use?

[Turnbuckle]

My experience with a color shift of magenta to brown--
http://www.longecity...510#entry517870

[Turnbuckle]

A comparison of commercial C60 in oil colors--
http://www.longecity...il/#entry557970
http://www.longecity...il/#entry558209

Edited by Turnbuckle, 23 July 2013 - 01:32 AM.

[mait]

This is the colour of C60 in EVOO Baati et al., 2012 must had been referring to: https://en.wikipedia...il_Solution.JPG My SV's C60 is nowhere near to this colour.

I will soon make my first home brew c60. I am thinking of using 2 weeks magnetic stirring for solution of 250ml of EVOO with 62,25mg C60 followed by filtration with 0.22um pore size syringe filter. Maybe less concentrated C60 solution would help in achieving better solubility of c60.

Edited by mait, 23 July 2013 - 09:21 AM.

[GVA]

I also noticed that Carbon's oil was purple while both batches I made are reddish/brownish. The color is deep red/purple only when looked at with incandescent light behind. But the oil I used was very green to begin with (California Ranch) while Carbon's seemed clear, lighter oil. Is it possible that green phenols of the extra-virgin oo are to blame? Or is it something else?

Who got a nice purple color, like Carbon's -- what brand of oil did you use?

It’s well-known that a prevalence of polyphenols causes of yellow shades of ОО. Green shades of ОО are caused by presence in them of a chlorophylls. However, both polyphenols, and chlorophylls are capable to form donor-acceptor complexes with 60 which colouring is reddish-brown.
About what I told it earlier on http://www.longecity...user/25068-gva/

[xEva]

GVA, thank you for your reply. I'm not a chemist and it is still unclear to me if shades other than purple is a good thing. In my experience, it seemed to me that Carbon's purple oil had a more noticeable effect -- but this could be due to novelty, since I tried his oil before making my own -?

The question still remains for me: Does color matter?

[Turnbuckle]

In my experience, it seemed to me that Carbon's purple oil had a more noticeable effect -- but this could be due to novelty, since I tried his oil before making my own -?

I've had a similar experience. I tried Carbon's oil recently after using my own oil for more than a year, and I do think it was better. It was also quite purple compared to mine. Any difference was entirely subjective, of course, and doesn't imply that brown is necessarily bad. My initial experience with C60 was quite dramatic and that was a home mix that was almost whiskey colored.

Edited by Turnbuckle, 13 August 2013 - 11:39 AM.

[hav]

Could be a different color because he's using a big centrifuge to make his product. Although they used one in Baati, in Anthony's video interview Dr. Moussa said he didn't think it was necessary. Coincidentally, I seem to recall Anthony mentioning he was shopping for a big centrifuge too once upon a time...

Howard

[mikeinnaples]

Here is what mine looked like:

Attached Files

•  IMG_0645.JPG   84.98KB   11 downloads

Edited by mikeinnaples, 13 August 2013 - 05:53 PM.