Sanitation Standard for Processing Aids Article 3

The quantity of the substance used as processing aid shall be limited to the lowest achievable level necessary to accomplish its desired technological purpose. Residues or derivatives of the substance remaining in food should be reduced to the extent reasonably achievable and should not pose any health risk.
中文原文 加工助劑衛生標準第3條
加工助劑之使用量應以可達使用目的之最小量為原則,並應儘可能於終產品中降低其殘留量,且該殘留量不應對消費者健康造成危害。

English translation for reference only; the Chinese text prevails. Not legal advice.