The principal acids used are phosphoric, citric, fumaric, tartaric, and malic acids.
主要添加的酸有磷酸、柠檬酸、富马酸、酒石酸和苹果酸。
Citric acid is the most common of the acids found in fruits, tubers and vegetables followed by malic and tartaric.
柠檬酸酸是最常见的酸，主要存在于水果、块茎和蔬菜中。其次是苹果酸和酒石酸。
Fruit contains natural acids, such as citric acid in oranges and lemons, malic acid of apples, and tartaric acid of grapes.
水果含有天然氨基酸，如柳橙和柠檬柠檬酸、苹果酸苹果，酒石酸的葡萄。
Fruit contains natural acids, such as citric acid in oranges and lemons, malic acid of apples, and tartaric acid of grapes.
水果含有天然氨基酸，如柳橙和柠檬柠檬酸、苹果酸苹果，酒石酸的葡萄。
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