A novel edible biocomposite coating based on alginate from the brown seaweed Dictyota mertensii loaded with beeswax nanoparticles extends the shelf life of yellow passion fruit

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作者: Queiroz, Luiz Paulo de Oliveira ; Aroucha, Edna Maria Mendes ; da Silva, Wedson Aleff Oliveira ; de Almeida, José Gustavo Lima ; Soares, Lucas Perdigão ; de Lima Leite, Ricardo Henrique
刊名: International journal of biological macromolecules
期刊所屬國別:
出版年: 202501
關鍵字: Alginates ; Beeswax ; Biopolymers ; Cell respiration ; Color ; Contact angle ; Dictyota ; Edible coatings ; Glycerin ; Nanoparticles ; Permeability ; Phenols ; Polysorbates ; Sensory evaluation ; Solubility ; Vitamin C ; Weight loss
摘要: In this study, an edible biocomposite coating of alginate extracted from the brown seaweed Dictyota mertensii was loaded with beeswax nanoparticles (BDMAB) to extend the shelf life of yellow passion fruit (Passiflora edulis f. flavicarpa). The films were characterized by morphology, moisture content, contact angle, water vapor permeability, solubility, and optical and mechanical properties. Using a 4 × 6 factorial design, coated fruit was evaluated during six storage intervals (0, 2, 4, 6, 8, 10 days) at 22.5 ± 0.5 °C and 65 ± 5 % RH, focusing on respiration rate, weight loss, peel thickness and color, pulp yield and color, soluble solids, titratable acidity, ascorbic acid, phenolics, antioxidant capacity, and sensory acceptance. The BDMAB coating, composed of 67.9 % (w/w) ADM (bleached), 5 % (w/w) glycerol, 8.5 % (w/w) beeswax, and 18.6 % (w/w) Tween 80, significantly (p 
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