Across
- 2. a substance prepared from the seeds of a Brazilian shrub, used as a tonic or stimulant.
- 3. of a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms,
- 5. an amino acid containing sulphur and important in the metabolism of fats.
- 9. the process of providing or obtaining the food necessary for health and growth.
- 10. a sweet crystalline substance obtained from various plants, especially sugar cane and sugar beet, consisting essentially of sucrose, and used as a sweetener in food and drink.
Down
- 1. an alkaloid compound which is found especially in tea and coffee plants and is a stimulant of the central nervous system.
- 4. containing substances necessary for growth, health, and good condition.
- 6. any of a group of organic compounds which are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body.
- 7. the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.
- 8. dietary material containing substances such as cellulose, lignin, and pectin, that are resistant to the action of digestive enzymes.