Ingredients: monimiaceae extract, water soluble hesperidin, fading agent, chamomile stem cells, hyaluronic acid etc.

The method was based on the catalytic effect of nitrite ion on the oxidation fading reaction of methyl orange and bright green with potassium bromate as oxidant in phosphoric acid medium.

A certain level of citric acid is added to the soup to improving the can flavour and the sterilizing condition and retain no fading.