Definition of olestra in US English:



  • A synthetic cooking oil used as a calorie-free fat substitute in various foods.

    • ‘Not to mention the loss of bowel control by consumers of the fat substitute Olestra, she said.’
    • ‘A: Olestra (trademarked as Olean) is still around.’
    • ‘The national pantry is alternately filled or emptied with butter, then margarine, then olive oil, then nothing, then Olestra, then butter again.’
    • ‘Olestra has an extraordinary avidity for certain fat-soluble substances, far exceeding what one would expect based on the fat substitute's proportion of the diet.’
    • ‘And if you're tempted by products with the fake fat Olestra, limit yourself to eating 1 ounce of any food containing it, she adds.’
    • ‘Didn't we once hear a similar claim about the fat substitute Olestra?’
    • ‘By contrast, when Procter & Gamble, the makers of Olestra, asked the FDA for permission to add its artificial fat substitute to potato chips, the controversial product was evaluated under food-additive laws.’
    • ‘A new type of polyester, tradenamed Olestra, is marketed to snack-food producers as a fat substitute that is not absorbed by the body.’
    • ‘And Olestra, the fake fat product born of more than two decades and some $25 billion in R&D, has met so much consumer resistance that its marketplace promise has never been fulfilled.’
    • ‘To summarize my personal bias: if history is a banquet, then books like this are Spam (at best) or Olestra (at worst).’
    • ‘His grandfather invented Olestra, the non-fat cooking oil.’
    • ‘Let's fly off to Finland, far from the long arm of Olestra.’
    • ‘Florida's citrus growers have teamed up with the Centre for Science in the Public Interest, a consumer health nonprofit group that has regularly attacked Procter & Gamble for its Olestra products.’
    • ‘Many of those efforts, though, have been big disappointments: Aleve pain reliever, Citrus Hill orange juice, the Rely tampon, perhaps even Olestra, 20 years in development but so far slow to catch on.’
    • ‘You remember Olestra, the fat substitute that mimicked the creamy taste and silky-smooth feel of real fat but that wouldn't make you fat.’
    • ‘I had seen a similar registry on the Web site of the Center for Science in the Public Interest for people who believed that consuming the fat substitute Olestra had caused them some type of health problem.’
    • ‘Also on the agenda, the League's efforts to keep the province Olestra free.’
    • ‘Will functional oil prove to be the nutrition breakthrough we've all been hoping for - or another Olestra disaster?’
    • ‘In the United States three primary artificial fats have been introduced including Olestra, Simplesse, and Stellar.’
    • ‘It's an annual tradition that, around this time of year, I always feel like somebody fried my brain in Olestra.’


1980s: from (p)ol(y)est(e)r + the suffix -a.