Tag: polyphenols

Extra Virgin Olive Oil: 20 Grams Daily Linked to Lower Cancer and All-Cause Mortality

Approximately 23,000 Italian adults consuming 30 grams of extra virgin olive oil daily experienced 28% lower cancer mortality and 18%…

Light roast coffee retains highest chlorogenic acid levels, study shows

Light roast coffee preserves 8.0 mg/g of chlorogenic acids compared to 4.35 mg/g in dark roast, with implications for glucose…

Matcha vs Steeped Green Tea: Why Preparation Chemistry Matters More Than the Leaf

Matcha and steeped green tea contain the same plant but differ fundamentally in chemistry due to preparation methods, not leaf…

How brewing method reshapes coffee’s chemical profile—espresso and cold brew lead extraction efficiency

Espresso and hot-brewed coffee extract significantly more antioxidant compounds than cold brew at the same coffee dose, according to comparative…

Extra Virgin Olive Oil’s Grade Doesn’t Measure What Matters: Why Polyphenol Content Goes Unlabelled

The International Olive Council's "extra virgin" grade measures chemical damage, not polyphenol content—the bioactive responsible for olive oil's cardiovascular benefits.…

Light Roast Retains Most Chlorogenic Acids, But Dark Roast Offers Different Antioxidants

Light roast coffee retains 8.0 mg/g of chlorogenic acids—nearly twice the concentration found in dark roasts—but roasting transforms the antioxidant…

How Brewing Method Changes What’s in Your Cup: Science of Tea, Coffee, Matcha, and Beyond

The nutritional content of tea, coffee, matcha, cacao, and yerba mate is not fixed. Steeping time, roast level, temperature, and…

Coffee’s Microbiome Effect Goes Beyond Caffeine: New Study Maps Shifts in Gut Bacteria

A controlled microbiome study of 62 adults reveals that coffee's polyphenolic compounds—not caffeine—drive shifts in gut bacteria linked to barrier…