Search results
Results from the WOW.Com Content Network
Propionic acid inhibits the growth of mold and some bacteria at levels between 0.1 and 1% by weight. As a result, some propionic acid produced is consumed as a preservative for both animal feed and food for human consumption. For animal feed, it is used either directly or as its ammonium salt. This application accounts for about half of the ...
Propionate fermentation is a form of fermentation with propionic acid as one of the products. This process is done through the fermentation pathway of bacteria. It is used in a variety of industrial, food-making, and medical applications.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
Timeline of world history. These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day. For events from c. 3200 BC – c. 500 see: Timeline of ancient history; For events from c. 500 – c. 1499, see: Timeline of post-classical history; For events from c. 1500, see: Timelines ...
An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
Propionibacterium freudenreichii was first discovered and isolated in the early 20th century by Eduard von Freudenreich and Sigurd Orla-Jensen. They discovered the bacterium while studying propionic acid fermentation in Emmental cheese.
2 December – The world's first regulatory approval for a cultivated meat product is awarded by the Government of Singapore. The chicken meat was grown in a bioreactor in a fluid of amino acids, sugar, and salt. [97] The chicken nuggets food products are ~70% lab-grown meat, while the remainder is made from mung bean proteins and other ...
4000 BC: Probable time period of the first diamond-mines in the world, in Southern India. [124] 4000 BC: Paved roads, in and around the Mesopotamian city of Ur, Iraq. [125] 4000 BC: Plumbing. The earliest pipes were made of clay, and are found at the Temple of Bel at Nippur in Babylonia. [126] [b]