Quick bread leavening process, agents (one or more food-grade chemicals—usually a weak acid and a weak base) are added into the dough during mixing. These agents undergo a chemical reaction to produce carbon dioxide, which increases the baked good's volume and produces a porous structure and lighter texture. Yeast breads often take hours to rise, and the resulting baked good's texture can vary greatly based on external factors such as temperature and humidity. By contrast, breads made with chemical leavening agents are relatively uniform, reliable, and quick. Usually, the resulting baked good is softer and lighter than a traditional yeast bread. Chemical
Bread and salt (embroidered ritual cloth). A salt holder or a salt cellar is placed on top of the bread loaf or secured in a hole on the top of the loaf. On official occasions, the "bread and salt" is usually presented by young women dressed in national costumes (e.g., sarafan and kokoshnik). The tradition gave rise to the Russian word that expresses a person's hospitality: ""khlebosolny"" (literally: "bready-salty"). In general, the word "bread" is associated in Russian culture with hospitality, bread being the most respected food, whereas salt is associated with long friendship, as expressed in a Russian saying "to eat a