For the current study, University of Georgia College of Family and Consumer Sciences associate professor James Hargrove and colleagues prepared extracts of 24 herbs and spices purchased at a major supermarket. The extracts were tested for their phenolic content, antioxidant potential, and protein glycation inhibitory activity.
Cloves and cinnamon emerged as the leading spices in phenolic content among the extracts tested. (Phenols are plant compounds which have an antioxidant property.) The total phenolic content of cloves was found to be 30 percent of its dry weight, which is significantly higher than blueberries, a food that is known for its antioxidant and phenolic content. The team discovered a strong correlation between the extracts’ phenol content and their ability to block AGE formation. Other extracts which significantly inhibited glycation were Jamaican allspice and apple pie spice, which is a blend of allspice, cinnamon and nutmeg. The remaining herbs and spices, including oregano, rosemary, and turmeric, also showed an ability to inhibit glycation, but at lesser dilutions. Continue Reading
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