Developing valuable egg components for niche market applications

在加拿大，大约30%的鸡蛋被打破，并进一步融入各种食品应用中;大部分作为餐桌鸡蛋出售。上述传统食品用途已达到瓶颈，未能进一步提高蛋品行业的盈利能力。鸡蛋用途的多样化，而不是传统的食品用途，将有助于他们扩展到增值利基市场，这是餐桌鸡蛋通常无法达到的。蛋品行业认为，蛋品用途的多样化对加拿大蛋品行业的生存和发展至关重要。在应用方面，我们的目标是从鸡蛋白色中开发功能性生物活性肽，进而开发具有较高价值的蛋黄成分，用于功能性食品、保健品、营养品、水产养殖、化妆品和医药等行业。我们以前的研究已经证明了卵转铁蛋白肽抗高血压的潜力。本研究旨在进一步证明鸡蛋肽对代谢综合征的额外有益特性，以扩展其新的应用。由于从鸡蛋白色中提取转铁蛋白的成本较高，因此进一步研究以鸡蛋白色蛋白为原料制备生物活性肽。在制备鸡蛋白色肽之后，剩余的蛋黄将被分级分离成蛋黄脂质（即中性脂质、胆固醇和磷脂）和蛋黄蛋白（血浆和颗粒蛋白）用于营养、水产养殖、化妆品、营养制品，加拿大有一个受人尊敬的鸡蛋产业，但有价值的商业活动有限-开发增值蛋产品将为加拿大蛋产业提供新的销售增值蛋产品的新途径;通过分离蛋黄成分并单独销售这些有价值的蛋成分，整个蛋市场将大幅增长。这也将促进蛋品行业以知识为基础的可持续长期增长，使加拿大农业食品部门受益。

In Canada, about 30% of the total eggs are broken and further incorporated into various food applications; themajority are sold as table eggs. Traditional food uses as above have reached its bottleneck and failed to furtherenhance the profitability of the egg industry. Diversification of egg uses, other than traditional food uses, wouldhelp them expand into value-added niche markets, which are not typically reached by table eggs. The eggindustry envisions that diversification of egg uses is critical to the viability and growth of the Canadian eggindustry. In the application, we aim to develop functional bioactive peptides from egg white and thenfractionate valuable egg yolk components for functional food, nutraceutical, nutritional, aquaculture, cosmeticand pharmaceutical industries. Our previous study has demonstrated the potential of egg ovotransferrinpeptides against hypertension. This study is to further demonstrate additional beneficial properties of eggpeptides against metabolic syndrome to expand their new applications. Since it is costly to purifyovotransferrin from egg white, further study is to use egg white protein, other than ovotransferrin, as thestarting material for preparing bioactive peptides. The remaining egg yolk, after egg white peptide preparation,will be fractionated into egg yolk lipids (i.e. neutral lipids, cholesterol and phospholipids) and egg yolk proteins(plasma and granule proteins) for nutritional, aquaculture, cosmetic, nutraceutical, and pharmaceuticalapplications.Canada has a well-respected egg industry yet there is limited commercial activity for value-added egg products.Developing value added egg products will provide the Canadian egg industry with new ways of marketing newvalue-added egg products; by fractionating egg yolk components and selling these valuable egg componentsseparately, the overall egg market could grow substantially. This would also foster knowledge-basedsustainable long-term growth of the egg industry, benefitting Canadian agri-food sectors.