Beans are not good sources of either zinc or iron, and they have low protein digestibility because these legumes are chock full of antinutrients that impair our bodyâs ability to absorb and assimilate potential nutrients found in these foods.eans are not good sources of either zinc or iron, and they have low protein digestibility because these legumes are chock full of antinutrients that impair our bodyâs ability to absorb and assimilate potential nutrients found in these foods.
Vellum (derived from the Latin word vitulinum meaning made from calf, leading to Old French vÃ©lin, calfskin) often refers to a parchment made from calf skin, as opposed to that from other animals. It is prepared for writing or printing on, to produce single pages, scrolls, codices or books.
The term parchment is a general term for an animal skin which has been prepared for writing or printing. Parchment has been made for centuries, and is usually calf, goat, or sheep skin.The term vellum from the French veau refers to a parchment made from calf skin. The manufacture of parchment is quite involved.he term parchment is a general term for an animal skin which has been prepared for writing or printing. Parchment has been made for centuries, and is usually calf, goat, or sheep skin.