Guacamole first cultivated in South Central Mexico about 10,000 years ago. In the early 1900s, avocados frequently went by the name "alligator pear". The Hass avocado is named after postal worker Rudolph Hass who purchased a seedling in 1926 from a California farmer and patented it in 1935. Guacamole has increased avocado sales in the US, especially on Super Bowl Sunday and Cinco de Mayo. The rising consumption of guacamole is most likely due to the U.S. government lifting a ban on avocado imports in the 1990s and the growth of the U.S. Latino population. Guacamole dip is traditionally made by
Active ingredient of most medications, such as the Medicines database providing information on medications available in Australia. In phytopharmaceutical or herbal medicine, the active ingredient may be either unknown or may require cofactors in order to achieve therapeutic goals. This leads to complications in labelling. One way manufacturers have attempted to indicate strength is to engage in standardization to a marker compound. However, standardization has not been achieved yet: different companies use different markers, or different levels of the same markers, or different methods of testing for marker compounds. For instance, St John's wort is often standardized to the hypericin which is