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History: What we knew then… What is a Trans Fat? Where are they found?

TRANS FAT. History: What we knew then… What is a Trans Fat? Where are they found?. History: Pre 1990. 1890. 1902. 1911. Paul Sabatier discovers hydrogenation. Wilhelm Normann Liquid fats to solid fats. Crisco: First hydrogenated product to American tables. History: Early 1900’s.

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History: What we knew then… What is a Trans Fat? Where are they found?

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  1. TRANS FAT History: What we knew then… What is a Trans Fat? Where are they found?

  2. History: Pre 1990 1890 1902 1911 Paul Sabatier discovers hydrogenation Wilhelm Normann Liquid fats to solid fats Crisco: First hydrogenated product to American tables

  3. History: Early 1900’s Hydrogenation

  4. Saturated Fat Unsaturated Fat Cis Hydrogenation Trans Unsaturated Fat Partial Hydrogenation

  5. Claimed Benefits of Trans Fats • Increased shelf life • Decreased refrigeration • Less saturated fat than butter • Less expensive than butter or lard

  6. History: Pre 1990 1937 1957 1984 World War II begins… Use of margarine rises sharply A.H.A proposes reducing saturated fat intake to reduce heart disease Consumer advocacy groups campaign to replace saturated fat with preservative (BHT/BHA) free alternative Trans Fat

  7. History:Post 1990 • Research began to show detrimental effects of trans fats • “On a per calorie basis, trans fats appear to increase the risk of Coronary Heart disease more than any other macronutrient” • Cardiac deaths attributed to consumption of trans fats

  8. History: Post 1990 • 1993: Advocacy groups call for fast food restaurants to stop using partially hydrogenated oils in deep fryers • 1999: U.S. government proposes law requiring food manufacturers to list trans fats on labels

  9. TRANS FAT Raises blood cholesterol levels. Found in partially hydrogenated vegetable oils. SOURCES Cookies Crackers Chips and other commercial baked goods French fries Fried onion rings Donuts and other commercial fried foods Stick margarine “Instant foods”: Just add water Vegetable Shortening Chocolate candy Regular microwave popcorn Soup in cups and Ramen noodles Small amounts of trans fats occur in nature in meats and dairy products.

  10. Where Is it Coming From?

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