https://ingredientspress.com/article/keurig-alta-debuts-alginate-coated-altarounds-for-single-serve ingredientsen 2026-10-29T13:00:00.000Z Keurig Alta Debuts Alginate-Coated AltaRounds for Single-Serve coffee, biopolymer, encapsulation, clean-label, compostable-packaging, alginate