The raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.he raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.
Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream. Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream.
Beef Stroganoff or Beef Stroganov has become popular around the world but is a traditional Russian food. Stroganoff is a dish made of sautÃ©ed pieces of beef served in a sour cream sauce. Around the world, Stroganoff is now often served with white rice or pasta and has many variations of the traditional recipe.