Corn, wheat, rye, in fact all cereals and grains, potatoes, and most vegetables are rich in carbohydrates; as are also sugar, molasses, honey, and maple sirup. 伯莎M.克拉克.科学通论.
Commercially, charcoal is used on a large scale in the refining of sugars, sirups, and oils. 伯莎M.克拉克.科学通论.
Most of our carbohydrates are of plant origin, being found in vegetables, fruits, cereals, and sirups. 伯莎M.克拉克.科学通论.
In the sirups there is a considerable quantity of sugar, while in some fruits it is present in more or less dilute form. 伯莎M.克拉克.科学通论.