firming agent
substance which makes or keeps tissues of fruit or vegetables firm and crisp, or interacts with gelling agents to produce or strengthen a gel
en-GB/ˈfɜːmɪŋ æʒɒn/
en-US/ˈfɝmɪŋ ˈeɪd͡ʒənt/
substance which makes or keeps tissues of fruit or vegetables firm and crisp, or interacts with gelling agents to produce or strengthen a gel