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citric acid 檸檬酸。

citriculture

The preservatives used are citric acid to reduce the ph level , potassium sorbate to stop mould and sodium benzoate as an antimicrobial agent 以檸檬酸(降ph值) 、山梨酸鉀(防霉變)和苯甲酸鈉(抗菌劑)作為防腐劑。

The influence factors of this method such as , the quantity of water , ph value , temperature and the quantity of citric acid were studied 對該工藝的影響因素:水量、 ph值、溫度和檸檬酸的量進行了初步討論。