6. Sweet pickles are pickled cucumbers or other vegetables in the preparation of which sugar (sucrose) is used.
7. Sauerkraut is clean, sound, properly prepared cabbage, mixed with salt, and subjected to fermentation.
8. Catchup (ketchup, catsup) is the clean, sound product made from the properly prepared pulp of clean, sound, fresh, ripe tomatoes, with spices and with or without sugar and vinegar; mushroom catchup, walnut catchup, et cetera, are catchups made as above described and conform in name to the substances used in their preparation.
C. Sugars and Related Substances.
a. SUGAR AND SUGAR PRODUCTS.
SUGARS.
1. Sugar is the product chemically known as sucrose (saccharose) chiefly obtained from sugar cane, sugar beets, sorghum, maple, and palm.
2. Granulated, loaf, cut, milled, and powdered sugars are different forms of sugar and contain at least ninety-nine and five-tenths (99.5) percent of sucrose.
3. Maple sugar is the solid product resulting from the evaporation of maple sap, and contains, in the water-free substance, not less than sixty-five one-hundredths (0.65) percent of maple sugar ash.
4. Massecuite, melada, mush sugar, and concrete are products made by evaporating the purified juice of a sugar-producing plant, or a solution of sugar, to a solid or semisolid consistence, and in which the sugar chiefly exists in a crystalline state.