Potassium alum has a variety of uses in our world. It is used in the preparation of flour and cheese and is used in OTC oral health products as an astringent.It can also be used for water clarification, seafood preservation, and pickling.otassium alum is not an antiperspirant active and products containing potassium alum have been found not to reduce sweat production in clinical testing. Potassium alum does contain aluminum, so in our Natural Confidence mineral salt roll-on products there is a low level of aluminum.
These three crops form the center of Mesoamerican agriculture. Maize, beans, and squash form a triad of products, commonly referred to as the . Three Sisters , that provided the people of Mesoamerica a complementing nutrient triangle.
During the Middle Preclassic Period, which lasted until about 300 B.C., Maya farmers began to expand their presence both in the highland and lowland regions. The Middle Preclassic Period also saw the rise of the first major Mesoamerican civilization, the Olmecs.erious exploration of Classic Maya sites began in the 1830s. By the early to mid-20th century, a small portion of their system of hieroglyph writing had been deciphered, and more about their history and culture became known.