Definition of caprylic acid in US English:

caprylic acid

noun

Chemistry
  • A liquid fatty acid present in butter and other fats.

    Alternative name: n-octanoic acid; chemical formula: CH₃(CH₂)₆COOH

    • ‘After the medication came high doses of vitamins and minerals, ‘healthy’ bacterial flora such as lactobacillus and nondairy acidophilus, caprylic acid, and herbs such as grapefruit seed extract and paud'arco.’
    • ‘Placebo consisted of 60-percent caprylic acid and 40-percent capric acid.’
    • ‘Undecylenic acid has been shown to be approximately six times more effective as an antifungal than caprylic acid, and is effective in maintaining a healthy balance of intestinal and vaginal flora.’
    • ‘Some researchers believe that one of the most potent non-drug or natural yeast-fighting substances is caprylic acid, a medium-chain fatty acid derived from coconut oil.’

Origin

Mid 19th century: from Latin caper, capr-, ‘goat’ + -yl + -ic.

Pronunciation

caprylic acid

/kəˌprilik ˈasəd/