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.
The Sumerian language is one of the earliest known written languages. The proto-literate period of Sumerian writing spans c. 3,300 to 3,000 BC. In this period, records are purely logographic, with no linguistic or phonological content.The oldest document of the proto-literate period is the Kish tablet.rchaic Sumerian is the earliest stage of inscriptions with linguistic content, beginning with the Jemdet Nasr (Uruk III) period from about the 31st to 30th centuries BC. It succeeds the proto-literate period, which spans roughly the 35th to 30th centuries.