Lactobacillus delbrueckii subsp. bulgaricus Lactobacillus delbrueckii subsp. bulgaricus Lactobacillus delbrueckii" subsp. "bulgaricus (until 2014 known as Lactobacillus bulgaricus) is the main bacteria used for the production of yogurt. It is also found in other naturally fermented products. First identified in 1905 by the Bulgarian doctor Stamen Grigorov, the bacterium feeds on lactose to produce lactic acid, which is used to preserve milk. "Lactobacillus delbrueckii" subsp. "bulgaricus" can be found naturally in the gastrointestinal tract of mammals living in Bulgaria, but one specific strain, "Lactobacillus bulgaricus" GLB44, is extracted from the leaves of the "Galanthus nivalis" (snowdrop flower) in Bulgaria as well. The bacterium is
Flower Garden of Isfahan kinds of plants such as seasonal and permanent flowers and ornamental shrubs. In the center of the garden, a carpet-like design has been made by different flowers. The 5000 m² paths are covered by granite stones with different shapes. Rose garden for growing the various kinds of roses cultivated in Iran. The Greenhouse has been built over 700 m² on the northeastern side of the garden due to the shortage of flowers in winter. The Herb garden covers 1170 m² and has 132 species of herbs from different parts of Iran. Flower Garden of Isfahan The Flower garden of Isfahan