Le livre de tous les ménages
 ou l'art de conserver pendant plusieurs années toutes les substances animales et végétales

by Nicolas Appert

"Le livre de tous les ménages" by Nicolas Appert is a practical guide on food preservation written in the early 19th century. This work presents a detailed methodology for conserving both animal and vegetable substances, emphasizing the effectiveness and simplicity of the techniques involved. Appert, drawing on his extensive experience in the field, aims to equip households with the knowledge to store food safely and economically for extended periods. At the start of the text, the author outlines the significance of his discoveries in food preservation, mentioning the widespread acclaim and recognition from authorities and scientific societies. He advocates for his innovative techniques, emphasizing the use of heat in airtight containers to prevent spoilage. The opening portion introduces the fundamental principles of his method and hints at the equipment and procedures necessary for successful food storage. The author also shares anecdotes about his experiences and successes, establishing a foundation for the detailed instructions that will follow throughout the guide.