Gluten. Flour is branded under different.

Flour than in alchymy. He wrote, 1. Thesaurum Alchymiæ Secretissimum. 2. Secreta Alchymiæ Magnalia. 3. De Aquis Laxativis. 4. Rosarius Philosophorum. 5. Lumen Novum. 6. De prima Materia Lapidis Philosophorum. 8. Rariores Chemiæ Operationes. 9. Opus Saturni. 10. De Rebus Metallicis.