Peel-Extract Food Preservation Powder
Official patent title
NATURAL FOOD PRESERVATIVE
Arabic title: مادة حافظة طبيعية للأغذية
Invention
Invention
Problem
Food producers need preservative systems that limit bacterial and fungal growth and oxidation while responding to demand for ingredients derived from plant materials.
Why it matters
Effective plant-derived preservation could extend product quality and use peel by-products, but safety, sensory effects, dose, food-matrix performance, and regulatory acceptance remain essential.
Approach
The preservative encapsulates pomegranate-peel and/or onion-peel extract as an inner core within an outer coating of chia-seed nanoparticles, with a surfactant-assisted fabrication route.
Who may benefit
Potential beneficiaries include food manufacturers, natural-ingredient suppliers, antimicrobial-formulation researchers, agricultural by-product processors, and food-packaging or surface-hygiene developers.
Potential value
The core-shell powder combines peel-derived bioactives with a chia nanoparticle coating and states antimicrobial, antioxidant, particle-size, and pore characteristics in one preservative formulation.
Background
Background
Plant peels contain phenolic and other extractable compounds associated with antioxidant or antimicrobial activity, but crude extracts can be unstable, poorly dispersible, or strongly flavored. Encapsulation may protect active compounds and modify their release, while a dry powder can simplify handling. Performance can vary with extraction solvent, peel source, surfactant, particle preparation, food composition, storage temperature, and target organism. A viable preservative also needs toxicological assessment, sensory acceptance, manufacturing controls, shelf-life evidence, and compliance with food-additive rules.
Technology overview
Technology overview
The formulation has a pomegranate- and/or onion-peel-extract core encapsulated by chia-seed nanoparticles. Claims state an IC50 of 3.00 mg/mL or less and at least 70% inhibition against Staphylococcus aureus, an average particle size of 100 nm or less, pores of 35 nm or less, crystallites of at least 35 Å, and basal spacing of at least 4 Å. Fabrication combines peel extract, nonionic surfactant, and ground chia, then dries the mixture; claims also cover adding it to food.
Potential applications
Potential applications
- Plant-derived food-preservative research.
- Antimicrobial powder formulation.
- Peel by-product valorization.
- Food-surface biofilm-control studies.
- Encapsulated antioxidant ingredient development.
Evidence-supported advantages
Evidence-supported advantages
- Uses pomegranate or onion peel extracts.
- Applies a chia-based encapsulating shell.
- Forms a dry particulate preservative.
- States activity against Staphylococcus aureus.
- Combines antimicrobial and antioxidant functions.
Development stage
Development stage
The publication describes a formulation, fabrication route, and stated antimicrobial and material attributes; real-food shelf-life and commercialization were not established. The development stage was not independently verified.
Commercial opportunity
Commercial opportunity
The formulation could be evaluated as a clean-label preservative powder or functional ingredient. Commercialization requires validated activity in specific foods, broader microbial challenge tests, dose and release studies, shelf-life and sensory trials, allergen and toxicology review, surfactant and nanoparticle regulatory assessment, process hygiene, batch standardization, packaging stability, and costed scale-up.
Patent classifications
Patent classifications
WIPO IPC
- A23B2/733Preservation of foods, foodstuffs or non-alcoholic beverages; chemical ripening of fruit or vegetables
- A61L2/16Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
CPC
- A23B2/733Preservation of foods, foodstuffs or non-alcoholic beverages; chemical ripening of fruit or vegetables
- A61L2/16Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- A61L2/232Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- C02F1/50Treatment of water, wastewater, sewage or sludge
- A61L2101/32Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- A61L2103/05Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- A61L2103/15Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- C02F2303/04Treatment of water, wastewater, sewage or sludge
Inventors
Inventors
- First inventorAhmed Aly Ahmed Allam
- InventorHassan Ahmed Rudayni
- InventorRehab Khaled Mahmoud
- InventorNabil Sayed Hafez
- InventorNaif Ghazi Altoom
- InventorKhalil Ibrahim Khalil
- InventorSamah Ahmed Abd-El Twab Awad
- InventorAmany Ahmed Abd-El Halim Mohamed
Keywords
Keywords
- natural preservative
- pomegranate peel
- onion peel
- chia nanoparticles
- encapsulation
- antimicrobial
- antioxidant
- Staphylococcus aureus
Patent document and drawings
Patent document and drawings
The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.