1. An inhibitor of the Mylard reaction, containing from 50 to 90 wt.% Polyphenol as an active ingredient. The Mailard reaction inhibitor according to claim 1, characterized in that said polyphenol comprises from 10 to 50% by weight of ellagitannin relative to the total mass of polyphenol. 3. The Mailard reaction inhibitor according to claim 2, characterized in that said ellagitannin comprises at least one compound selected from the group consisting of punicalin, punicalagin, enotein B, eukarbanin B, punicacortin C, a compound described by formula (VI) below and the compounds described by the following formula (VII) 4. Mailard reaction inhibitor according to any one of paragraphs. 1-3, characterized in that the polyphenol is contained in the form of a plant extract containing polyphenol. 5. Mylarda reaction inhibitor according to claim 4, characterized in that said polyphenol-containing plant extract is an extract obtained from at least one plant selected from the group consisting of plants belonging to the genera Punica, Quisqualis, Cistus, Terminalia and Combretum. . An anti-aging skin agent containing a Mylard reaction inhibitor according to any one of claims. 1-5.7. An agent for treating diabetes complications comprising a Mylard reaction inhibitor according to any one of claims. 1-5.8. A food product or a drink to which a Mailard reaction inhibitor according to any one of paragraphs is added. 1-5.9. A topical preparation to which a Mailard reaction inhibitor according to any one of paragraphs is added. 1-5.1. Ингибитор реакции Майларда, содержащий от 50 до 90 мас.% полифенола в качестве активного ингредиента.2. Ингибитор реакции Майларда по п. 1, отличающийся тем, что указанный полифенол включает от 10 до 50 мас.% эллагитаннина относительно всей массы полифенола.3. Ингибитор реакции Майларда по п. 2, отличающийся тем, что указанный эллагитаннин включает по меньшей мере одно соединение, выбранное из группы, состоящей из пуникалина, пуникалагина, энотеина В, эукар
