Uses of Triglyceride Vegetable Oil
Oils extracted from plants have been used since ancient times and in many cultures. As an example, in a 4,000-year-old "kitchen" unearthed in Indiana's Charlestown State Park, archaeologist Bob McCullough of Indiana University-Purdue University Fort Wayne found evidence that natives used large slabs of rock to crush hickory nuts, then boiled them in water to extract the oil.
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—Gertrude Stein (1874–1946)
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Where’s the salt
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And, Lucky Man,
what’s the use
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if there’s no oil in it?”
—Hla Stavhana (c. 50 A.D.)