Functional ingredients encompass a wide range of compounds that have been associated with various health benefits. Some examples of these compounds include allyl compounds found in garlic, carotenoids and flavonoids present in fruits and vegetables, glucosinolates found in cruciferous vegetables, hypericin and pseudohypericin found in St. John's wort. Additionally, functional ingredients include peptides such as epidermal growth factor, opioid peptides, and lactoferrin, which are found in milk.
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