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Message: <blockquote data-quote="luxmen" data-source="post: 16927499" data-attributes="member: 409399">We have also observed color changes in the leaves of Aloe plants themselves. The leaves are usually green, but they often appear quite red. This seems to be the case when they are getting abundant sunshine. Light can certainly be a catalyst in chemistry. Our bodies use sunlight to convert 7-dehydrocholesterol into vitamin D.An interesting observation from the laboratory is that certain nutrients change color as they convert from one form to another, and vitamin B12 is associated with the colors pink and red. If our Aloe was shown to provide significant levels of B12, that would be great news for vegans. B12  is most normally associated with animal foods and can be difficult to obtain in a vegan diet. We don’t know whether B12 is a factor, and we are certainly not making the claim—yet it is an interesting possibility, one that needs more study.</blockquote>

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