Before restrictive legislation, trans fats were mostly derived from meat, they raise LDL and lower HDL mostly derived from manufactured foods; they raise LDL and lower HDL O only derived from manufactured foods; they lower HDL and raise LDL mostly derived from plant sources

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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### Trans Fats and Their Sources

**Before restrictive legislation, trans fats were:**

- **Mostly derived from meat, they raised LDL and lowered HDL**
  
- **Mostly derived from manufactured foods; they raised LDL and lowered HDL**

- **Only derived from manufactured foods; they lowered HDL and raised LDL**

- **Mostly derived from plant sources**

The image presents a question regarding the origins and impacts of trans fats prior to the implementation of restrictive legislation. 

- **Option 1:** Suggests that trans fats were mostly derived from meat and had the effect of raising LDL (low-density lipoprotein, often referred to as “bad” cholesterol) and lowering HDL (high-density lipoprotein, often referred to as “good” cholesterol).
  
- **Option 2:** States that trans fats were mostly derived from manufactured foods, and similarly had the effect of raising LDL and lowering HDL.

- **Option 3:** Indicates that trans fats were only derived from manufactured foods and that they have the effect of lowering HDL while raising LDL.

- **Option 4:** Claims that trans fats were mostly derived from plant sources.

Understanding the historical context and source of trans fats can help indicate why legislation might have been necessary to restrict their presence in various food products. This knowledge is crucial for comprehending how dietary recommendations and food regulations have evolved over time.
Transcribed Image Text:### Trans Fats and Their Sources **Before restrictive legislation, trans fats were:** - **Mostly derived from meat, they raised LDL and lowered HDL** - **Mostly derived from manufactured foods; they raised LDL and lowered HDL** - **Only derived from manufactured foods; they lowered HDL and raised LDL** - **Mostly derived from plant sources** The image presents a question regarding the origins and impacts of trans fats prior to the implementation of restrictive legislation. - **Option 1:** Suggests that trans fats were mostly derived from meat and had the effect of raising LDL (low-density lipoprotein, often referred to as “bad” cholesterol) and lowering HDL (high-density lipoprotein, often referred to as “good” cholesterol). - **Option 2:** States that trans fats were mostly derived from manufactured foods, and similarly had the effect of raising LDL and lowering HDL. - **Option 3:** Indicates that trans fats were only derived from manufactured foods and that they have the effect of lowering HDL while raising LDL. - **Option 4:** Claims that trans fats were mostly derived from plant sources. Understanding the historical context and source of trans fats can help indicate why legislation might have been necessary to restrict their presence in various food products. This knowledge is crucial for comprehending how dietary recommendations and food regulations have evolved over time.
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