Kappaphycus alvarezii Kappaphycus alvarezii Kappaphycus alvarezii, the elkhorn sea moss, is a species of red algae. It is one of the most important commercial sources of carrageenans, a family of gel-forming, viscosifying polysaccharides. Farming methods affect the character of the carrageenan that can be extracted from the seaweed. This alga grows to two meters long and is green or yellow in color. It is very fast-growing, known to double its biomass in 15 days. Different carrageenan types differ in composition and conformation, resulting in a wide range of rheological and functional properties. Carrageenans are used in a variety of commercial applications as
Purple Line (Los Angeles Metro) Purple Line (Los Angeles Metro) The Purple Line is a heavy rail subway line operating in Los Angeles, running between downtown and the Mid-Wilshire/Koreatown districts. It is one of six lines on the Metro Rail System, operated by the Los Angeles County Metropolitan Transportation Authority. The Metro Purple Line is one of the city's two subway lines (along with the Metro Red Line). Although they separate west of Downtown Los Angeles, the two subway lines (Purple and Red) were originally branded as two branches of the Red Line. The Purple Line was instituted as its own line, separate from the