Featured Research

from universities, journals, and other organizations

New Food Safety Technology Developed For Eggs

Date:
May 12, 2009
Source:
USDA/Agricultural Research Service
Summary:
Good news for fans of raw cookie dough: Scientists have developed technology that can protect pasteurized liquid eggs from food safety threats.

Good news for fans of raw cookie dough: Agricultural Research Service scientists have filed a patent on technology that can protect pasteurized liquid eggs from food safety threats.
Credit: iStockphoto/Mark Gillow

Good news for fans of raw cookie dough: Agricultural Research Service (ARS) scientists have filed a patent on technology that can protect pasteurized liquid eggs from food safety threats.

These threats include both naturally-occurring spoilage bacteria and pathogens. But don't go running for that dough just yet; the U.S. Food and Drug Administration still cautions against consuming raw, unpasteurized eggs or products that contain them.

The new technology was developed by Sudarsan Mukhopadhyay, Peggy Tomasula and John Luchansky, researchers at the ARS Eastern Regional Research Center (ERRC) in Wyndmoor, Pa.

Current pasteurization technology removes heat-sensitive pathogens, but some heat-resistant spoilage microorganisms can survive. Consumers can avoid illness by properly preparing and cooking eggs before consumption, but the researchers have found that new technology can compensate for the shortcomings of thermal pasteurization.

The technology, called "crossflow microfiltration membrane separation" (CMF), removes more pathogens than thermal pasteurization. And it does so without affecting the eggs' ability to foam, coagulate and emulsify, meaning that CMF-treated eggs could be safely substituted for pasteurized eggs in angel food cake and other products where those characteristics are desired.

In a pilot-scale study, CMF was shown to remove about 99.9999 percent of inoculated Salmonella enteritidis from unpasteurized liquid egg whites. The technology can also be used to remove Bacillus anthracis spores from egg whites. This finding adds to previous work in which ERRC researchers used CMF to remove 99.9999 percent of B. anthracis spores inoculated into fluid milk. Microfiltration can also protect milk from more common bacterial pathogens, potentially extending its shelf life.

Although effective in its own right, CMF works best when used as an accompaniment to pasteurization, not a replacement for it. Combining the two processes significantly reduces the pathogen load.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "New Food Safety Technology Developed For Eggs." ScienceDaily. ScienceDaily, 12 May 2009. <www.sciencedaily.com/releases/2009/05/090510102122.htm>.
USDA/Agricultural Research Service. (2009, May 12). New Food Safety Technology Developed For Eggs. ScienceDaily. Retrieved August 2, 2014 from www.sciencedaily.com/releases/2009/05/090510102122.htm
USDA/Agricultural Research Service. "New Food Safety Technology Developed For Eggs." ScienceDaily. www.sciencedaily.com/releases/2009/05/090510102122.htm (accessed August 2, 2014).

Share This




More Plants & Animals News

Saturday, August 2, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Pyrenees Orphan Bear Cub Gets Brand New Home

Pyrenees Orphan Bear Cub Gets Brand New Home

AFP (Aug. 1, 2014) The discovery of a bear cub in the Pyrenees mountains made headlines in April 2014. Despire several attempts to find the animal's mother, the cub remained alone. Now, the Pyrenees Conservation Foundation has constructed an enclosure. Duration: 00:31 Video provided by AFP
Powered by NewsLook.com
Ebola Vaccine Might Be Coming, But Where's It Been?

Ebola Vaccine Might Be Coming, But Where's It Been?

Newsy (Aug. 1, 2014) Health officials are working to fast-track a vaccine — the West-African Ebola outbreak has killed more than 700. But why didn't we already have one? Video provided by Newsy
Powered by NewsLook.com
Study Links Certain Birth Control Pills To Breast Cancer

Study Links Certain Birth Control Pills To Breast Cancer

Newsy (Aug. 1, 2014) Previous studies have made the link between birth control and breast cancer, but the latest makes the link to high-estrogen oral contraceptives. Video provided by Newsy
Powered by NewsLook.com
Rare Whale Fossil Pulled from Calif. Backyard

Rare Whale Fossil Pulled from Calif. Backyard

AP (Aug. 1, 2014) A rare whale fossil has been pulled from a Southern California backyard. The 16- to 17-million-year-old baleen whale fossil is one of about 20 baleen whale fossils known to exist. (Aug. 1) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins