Ritual Use of Morning Glory Seeds

I bought your book, "The Magical Use of Herbs," and I read the part about morning glory. I also read erowid.org. What do you think about their purifying method using naptha and why do they throw the husk away and in your book you don't?

This is newer technology, one to remove certain toxins which may cause stomach disorders. I wrote about this recently for a major publication, but they changed editors and the article never ran. Click here to read my article.
By the way, "The Magical and Ritual Use of Herbs" has sold 197,000 copies to date.
While I don't take these kinds of drugs anymore, I will say that if I did, I would stick to my own ways preparing the chemistry. Please enjoy some of the other things I currently write about for Nexus Magazine.