Introduction 7

Process of manufacture 8

Selection and preparation of stock 9

Pulping 9

Cooking and seasoning 10

Evaporation and finishing 11

Bottling 11

Processing 11

Character of products 12

First-class products 12

Inferior products from “trimming stock” 13

Experiments on the Spoilage of Tomato Ketchup · 第 3 / 56 题