What You Need to Know
Carrageenan (κ-type) forms double helices with locust bean gum's unsubstituted mannan regions, creating synergistic gels resistant to syneresis. The galactose side chains of carrageenan interact with LBG's smooth regions, while sulfate groups influence water binding capacity. This combination yields a more stable gel than either gum alone (known as the 'kappa-carrageenan/locust bean gum synergy').
Critical for commercial pudding stability and plant-based dairy alternatives where serum separation is unacceptable. Artisanal applications include stabilized panna cotta and vegan cheesecakes that maintain visual appeal during refrigeration. Also prevents weeping in glazes and fruit gels during thaw cycles.
Key Parameters
Temperature
°C - °C
Time
1-2hr at refrigeration temps
15min (rapid-set formulations) - 4hr (slow-set artisanal)
Equipment
Steps
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The Science
Primary Reaction
Helical association of κ-carrageenan with LBG mannan chains