Transactions have traditionally been handled manually, between brokers or counterparties. However, starting in the 1970s, a greater portion of transactions have migrated to electronic trading platforms. These may include electronic communication networks, alternative trading systems,  dark pools  and others.
Lactic acid in Food. Lactic acid is naturally present in many foodstuffs. It is formed by natural fermentation in products such as cheese, yogurt, soy sauce, sourdough, meat products and pickled vegetables.
The lactic acid is used by your muscle cells to continue the process of metabolism of glucose for energy production. The Big Buildup Anaerobic energy production can continue at a high rate for more than three minutes during which time lactic acid can accumulate in your muscles.