Edible composite barrier fresh-keeping film

• Main Authors: JIANG XINJIA, LIU WENLIANG, CHEN LILI, WU YINCAI
• Format: Patent
• Language: Chinese; English
• Published: 21.10.2022
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HANDLING THIN OR FILAMENTARY MATERIAL; HUMAN NECESSITIES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; STORING; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; TRANSPORTING

The utility model relates to a composite packaging material, in particular to an edible composite barrier fresh-keeping film, which is provided with a five-layer structure and sequentially comprises an anti-sticking layer, a fresh-keeping layer, a main base material layer, an antibacterial layer and a grease layer from outside to inside, the five-layer structure of the fresh-keeping film is composed of edible films, and the anti-sticking layer, the fresh-keeping layer, the main base material layer, the antibacterial layer and the grease layer are sequentially arranged from outside to inside. The anti-sticking layer adopts an edible wax layer film, the fresh-keeping layer adopts an edible gelatin film, the main base material layer adopts an edible pectin film, the antibacterial layer adopts an edible sodium alginate film, and the grease layer adopts an edible vegetable grease film. The fresh-keeping film is not influenced by environmental humidity, is environment-friendly and durable, has excellent barrier pro