Why foods spoil (molds, yeasts, bacteria)

Reviews pioneer efforts to preserve foods; describes work of molds, yeasts, and bacteria, explaining how they grow and multiply, how they spoil food, and how they can be destroyed by such methods as drying, smoking, canning, freezing, pasteurizing, dehydration, and by the use of gamma rays.
Complete catalog record

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record