Presence of Testa and Shell Maintains Oil Stability in Almond and Canarium Nuts

(1) Background: The oil stability of tree nuts during storage can be influenced by conditions such as temperature, humidity, and moisture concentration. However, few studies have assessed how the presence testa shell affects storage. We aimed to determine affect in almond canarium, particular, time nut-in-shell (NIS). (2) Methods: measured peroxide value (PV), free fatty acid (FFA) hexanal concentrations canarium (blanched vs. kernel-in-testa) stored at 45 °C for 24 days. also PV, FFA composition samples days 0 140 NIS under ambient conditions. (3) Results: decreased PV day incubation. Canarium increased over compared 0. both remained within acceptable threshold No changes were found (4) Conclusions: Testa could act a natural coating, slowing down oxidation rates. Hence, long-term on or are recommended nuts.