Locust bean gum prices rose 7-8x in five years, wrecking ice cream formulations

Locust bean gum (LBG) is the primary stabilizer used in premium ice cream to control ice crystal formation during temperature fluctuations in the supply chain. Its price increased 7-8x over five years, from roughly $5-7/kg to $35-56/kg, because LBG comes exclusively from carob trees in the Mediterranean basin, which take 7-10 years to mature and are not cultivated at scale. Ice cream manufacturers cannot simply substitute guar gum or carrageenan because each stabilizer has a different functional role: LBG controls ice crystals, guar provides body, and carrageenan prevents whey separation. A formulation change requires months of R&D and consumer testing because even small changes to stabilizer ratios alter meltdown behavior, scoopability, and mouthfeel. Small producers who built their recipes around LBG face a choice between absorbing the cost increase (destroying already thin margins), reformulating (risking product quality), or using less stabilizer (causing grainy texture after any temperature abuse in the supply chain). This persists because carob tree agriculture has no economic incentive to scale -- the trees are slow-growing, the market is too small to attract agricultural investment, and synthetic alternatives have not replicated LBG's ice crystal inhibition properties.