That dynasty, which awarded their surname to many people, ruled the country until the end of World War II. Esther Tran Le, a Vietnamese-American journalist based in New York, said that the name âNguyenâ was the last name of the last dynasty of Vietnamese emperors.
There are different types of fatty acids. You have most likely heard of certain types, such as Omega-3. Omega-3 is considered an âessentialâ fatty acid, as is Omega-6. There is one other, Omega-9, but this type can be readily produced by the body, while the other two types cannot. Omega-3 and Omega-6 fatty acids are found in fish and certain plants.
There are two series of essential fatty acids: one has a double bond three carbon atoms away from the methyl end; the other has a double bond six carbon atoms away from the methyl end. Humans lack the ability to introduce double bonds in fatty acids beyond carbons 9 and 10, as counted from the carboxylic acid side.