GLOSSARY. 



Adventive. Species introduced from foreign sources. 



Aeration. The intimate mixing of air with the milk. 



Aerobes. Bacterial organisms requiring free oxygen for growth. 



Algae. Green water plants of simple organization. 



Amido-acids. Organic acids formed in proteid decomposition. 



Anaerobes. Bacteria growing without free oxygen. 



Anthrax (splenic fever). A contagious animal disease character- 

 ized by blood poisoning. 



Antiseptics. Chemicals capable of restraining bacterial growth. 



Bacillus (plural bacilli). Straight, rod-like bacteria. 



Brownian movement. A physical movement independent of vital 

 force. 



Carbohydrates. Organic substances like sugars and starches. 



Casease. The enzyme capable of converting casein into soluble 

 compounds. 



Caseone. Casein that has been rendered soluble by enzymes. 



Ceil. The simplest form unit of vegetable or animal life. 



Chlorophyll. The coloring matter in leaves of green plants. 



Chromogenic. Color-producing. 



Cilia (singular cilium). Tiny, whip-like protoplasmic appendages 

 of cells, serving as locomotor organs. 



Coccus (plural cocci). Bacteria having a spherical shape. 



Colony. The progeny of a single germ growing in an isolated mass. 



Culture medium. A food substance on, or in which bacteria can 

 grow. 



Culture starters. Starters for use in butter or cheese-making that 

 are developed from a selected bacterial culture. 



Deodorants. Chemicals that destroy odors. 



Diastase. The starch-converting enzyme. 



Disinfectant. Any chemical substance able to destroy germ life. 



Endospores. Spore formed within a mother cell. 



Enzymes. Unorganized chemical ferments not endowed with life. 



Facultative. Forms that possess the faculty of growing under 

 varied conditions. 



Filmjolk. Ropy milk of Finland. 



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