Mining from 1722 to 1726. According to

Kevin Daniel Ríos Quintana is a Colombian amateur track cyclist. He represented his nation Colombia, as a member of the men's national pursuit team, at the 2012 Summer Olympics, and also, claimed the men's junior trophy in road cycling at the 2011 Vuelta del Porvenir de Colombia.

Count James or Jacob Daniel Bruce was a Russian general, statesman, diplomat and scientist of Scottish descent, one of the chief associates of Peter the Great; Bruce was president of the Collegium of Mining and Manufacturing from 1717 to 1722, and president of the Collegium of Mining from 1722 to 1726. According to his own record, his ancestors had lived in Russia since 1647. He was the younger brother of Robert Bruce, the first High Commandant of Saint Petersburg.

Pectin is a heteropolysaccharide, a structural polymer contained in the primary lamella, in the middle lamella, and in the cell walls of terrestrial plants. The principal chemical component of pectin is galacturonic acid which was isolated and described by Henri Braconnot in 1825. Commercially produced pectin is a white-to-light-brown powder, produced from citrus fruits for use as an edible gelling agent, especially in jams and jellies, dessert fillings, medications, and sweets; as a food stabiliser in fruit juices and milk drinks, and as a source of dietary fiber.