|  |  | Traditional Procedures and Methods of Storage Protection (GTZ) | 
|  |  | (introduction...) | 
|  |  | Preface | 
|  |  | 1 Sun drying | 
|  |  | 2 Drying above the fire-place and fumigation | 
|  |  | 3 Airtight storage | 
|  |  | 4 Substances of plant origin | 
|  |  | 4.1 Parts of green plants and powders | 
|  |  | 4.2 Powders from lignified plant parts | 
|  |  | 4.3 Powders from flowers, fruits or grains | 
|  |  | 4.4 Water extracts of plants | 
|  |  | 4.5 Vegetable oils | 
|  |  | 5 Mineral substances | 
|  |  | 6 Substances of animal origin |