The purpose of the wood dowel and the scroll ends is to provide weight so that, when the scroll was unrolled and hanging, it would lay flat and the painting could be easily viewed. The upper piece of wood served the same purpose but was thin so as to make a neat package when the scroll was rolled up and tied.
Nutritional yeast is a culinary supplement that can be used as a flavoring agent. Nutritional yeast is a yellow colored powder like substance. Depending on the manufacturer, it may taste like some nuts, like parmesan cheese or like cream.hese side effects are similar to those suffered by people who have a problem with monosodium glutamate, MSG. These side effects include chest pains, digestive distress and a feeling of being bloated. This is because there is a type of glutamate that may be present in the yeast as well.
By fermentation, the yeast species Saccharomyces cerevisiae converts carbohydrates to carbon dioxide and alcohols â for thousands of years the carbon dioxide has been used in baking and the alcohol in alcoholic beverages.t is often referred to as  nutritional yeast  when sold as a dietary supplement. Nutritional yeast is a deactivated yeast, usually S. cerevisiae. It is an excellent source of protein and vitamins, especially the B-complex vitamins, as well as other minerals and cofactors required for growth.