Patent Awarded for Plant-Based Collagen. Biloine W. Young â¢ Mon, July 7th, 2014. Print this article. The U.S. Patent Office has granted CollPlant Ltd a patent covering processing methods for making human collagen from plants. Collagen is the most common protein in the human body. CollPlantâs technology is based on the production of human collagen through the genetic engineering of tobacco plants by implanting five genes in them that are found in the connective tissues of the human body.
The analects were written during a 30-50 year period after Confucius' death, by his pupils.
Sumer, an ancient civilization of southern Mesopotamia, is believed to be the place where written language was first invented around 3200 BC. Limestone Kish tablet from Sumer with pictographic writing; may be the earliest known writing, 3500 BC.