Evaluating the Feasibility of Using Glasswort (Salicornia herbacea L.) Powder as a Salt Substitute in Meatball Production
Abstract
This study aimed to investigate the effects of partial substitution of sodium chloride (NaCl) with glasswort (Salicornia herbacea L.) powder on the physicochemical, textural, and sensory properties of meatballs. Five formulations were prepared by replacing NaCl (0.5-1.0%) with varying levels of glasswort powder (2-4%). The results indicated that replacing NaCl with glasswort powder significantly decreased the moisture content and increased the ash content of meatballs (p<0.05), while protein and fat contents remained unaffected (p>0.05). The pH values increased slightly with the addition of glasswort powder, particularly in the GP14 treatment. Cooking loss was significantly reduced in samples containing glasswort (p<0.05). Color parameters revealed decreased lightness (L*) and redness (a*), and increased yellowness (b*) values, resulting in darker product color. Textural analysis showed higher hardness values in most glasswort-added samples, consistent with their lower moisture content. Sensory evaluation results demonstrated that higher levels of glasswort powder led to lower acceptability scores, mainly due to changes in color and flavor. Overall, the study suggests that glasswort powder can serve as a promising natural salt replacer in meat products, enhancing some properties while supporting sodium reduction goals.
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