Liquid Concentrate Langoustine 1 liter is the ideal product to enrich and perfectly season your fish dishes. The unique recipe and composition simplify cooking without compromising on quality. Liquid Concentrate Langoustine is suitable for many applications. In addition, the Liquid Concentrate has an intensely rich, natural flavor and a light color for direct use in any type of sauce, dish, or dressing. CHEF Liquid Concentrate is gluten-free.