Dietary Antioxidant

Dietary Antioxidant

honey lovers. Two new studies by researchers of the University of Illinois show the dietary antioxidant

benefits of honey. One of the studies shows that part of the dietary antioxidant qualities of honey has

preservative properties that work on meat without compromising the taste. Based on a work done on human blood in

the lab, a recently published study says that the dietary antioxidants present in honey slow the oxidation of low

density lipoproteins (LDL). Too much LDL in the blood leads to atherosclerotic plaque deposition.

Like a previous University of Illinois study in 1999, researchers found in both studies that

dark-colored honey, especially buckwheat, provide more protective dietary antioxidant punch than lighter-colored

honeys. This proves that while it is still early to say that honey can be a dietary antioxidant, it does point out

its vast potential in terms of antioxidant properties. Principal researcher Nicki Engeseth, a professor of food

chemistry in the University of Illinois College of Agricultural, Consumer, and Environmenal Sciences, agrees with

Published online on April 6 in the Journal of Agricultural and Food Chemistry, the newest study

on dietary antioxidants was the first to look at honey’s effect on human blood. With the use of a much more precise

method than the one used in 1999, the study found that the dietary antioxidants found in honey are equal to those

in many fruits and vegetables in their ability to counter the degenerating activity of highly reactive molecules

"It’s still too early to say definitely, but honey seems to have potential to serve as a dietary

In January, Engeseth and Jason McKibben, a researcher with Anheuser Busch in Santa Monica, CA,

reported in the same journal that the dietary antioxidants in honey were more effective compared to traditional

preservatives, such as butylated hydroxytoluene and tocopherol in slowing oxidation in cooked, refrigerated ground

turkey. It was observed in both studies that while the meat browned during cooking more extensively than

traditionally preserved products, taste was not negatively affected.

For the other study, Engeseth worked with yet another colleague, Nele Gheldof, a doctoral

student in the department of food science and human nutrition. They measured the dietary antioxidant and phenolic

contents in honey taken from sevel floral sources, such as acacia, buckwheat, clover, firewood, Hawaiian Christmas

berry, soybean, and tupelo. Using the Oxygen Radical Absorbance Capacity or ORAC assay, they discovered that darker

honeys have the highest values of dietary antioxidants. ORAC is a tool that has been used for the past decade as a

way to analyze the same components in fruits and vegetables.

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