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UNL professor discoversfood preserver
Experimental slip
harvests usable
bacterial toxins
By Tony Gardner
Staff Reporter
The discovery of a new, organic
way to keep food safe, well-preserved
and fresh was recently stumbled upon
in a UNL experiment that went wrong.
A team led by Bob Hutkins, a
University of Nebraska-Lincoln pro
fessor of microbiology, was working
,on an experiment that would allow
them to ferment meat. However, they
ended up with a discovery that aids in
food preservation.
The process utilizes the ability of a
certain bacteria to produce natural
defenses that impede other bacteria,
which in this case causes food to spoil.
While the technology is old, the pro
cess has been used in food only re
cently, Hutkins said.
The process takes advantage of
toxins called bacteriocins that are cre
ated by a producer bacteria normally
used to make fermented foods. The
toxins are used to target bacteria that
are hazardous to humans and kill off
the pathogenic bacteria that cause
food poisoning and other disease-caus
ing bacteria.
“It was just a matter of finding the
right bacteria to kill off the disease
-44
The simple declaration *no artificial preservatives*
provides some marketing advantages.
—Hutkins
professor of microbiology
---99 -
causing bacteria,” Hutkins said.
The process was discovered when
the first project the group undertook
was thought to have failed.
The initial project was to use the
producer bacteria to ferment a sum
mer sausage. The fermentation did
not occur, but researchers found that
while the producer bacteria did not
grow, it produced enough toxins to
kill off the pathogenic bacteria.
Researchers realized that the dis
covery could be used in food where
fermentation was not wanted.
The process is safe, Hutkins said,
and has already been used in foods.
The goal of the product is to im
prove the shelf life and safety of many
kinds of foods and to back up existing
safeguards.
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Campus Red Cross Blood Drive under way
From Staff Reports
The UNL Campus Red Cross will
hold its 1993 Blood Drive in the
Nebraska Union's Centennial
Ballroom today and Wednesday from
11 a.m. to 5 p.m.
Jody Gray, co-chairwoman of the
svent, said the Red Cross hoped to
attract 600 University of Nebraska
Lincoln blood donors. Last year, 500
Jonors attended the drive.
“Every year, we get more people,”
she said. “It’s becoming more well
known.”
The entire blood-giving procedure
takes about an hour, she said.
The first step in giving blood. Gray
said, is a testing procedure in which
nurses test blood for iron content and
antibiotics and ask donors about their
medical history. The test takes 15-20
minutes.
The actual drawing of the blood
takes only about 10 minutes.
After giving blood, donors are
escorted to tables where they can sit
down, eat doughnuts and drink orange
juice. Red Cross personnel
recommend students rest at least 10 to
20 minutes after giving blood.
Gray said an ample blood supply
was important for medical
emergencies.
“There are important benefits that
people in emergency wards get,” she
said. “It’s unbelievable. They save
lives.”
There is no risk of disease from
giving blood, Gray said. %
“You can’t get AIDS or hepatitis
from donating blood.”
CAPS
Continued from Page 1
Previously at the Mental Health
Apartment, students paid $10 for
heir first session and received their
second through fifth sessions free, he
said. After the fifth session, the cost
etumed to $10.
Now, the first three sessions at
HAPS are free to all UNL students, he
aid, whether or not they pay student
ees.
Sessions four through 24 cost $10
f the student has paid student fees,
tartnoy said. Otherwise, students must
My non-subsidized fees.
However, with non-subsidized fees
it about $65 to $70, Portnoy said
student fees paid for themselves in
ibout two visits.
After the 24th session, each session
:osts $30, to recognize that services
ire long-term and can prevent other
students from accessing services,
5ortnoy said.
Beginning midnight Thursday
11:35 a.m. — Person collapsed,
Nebraska Center for Continuing
Education, 33rd and Holdrege
streets.
2:43 p.m. — Purse stolen, Ruth
Leverton Hall, $55.
3:31 p.m. — Compact disc player
stolen and recovered, parking lot at
14th Street fairgrounds, $10 dam
age, $145 loss.
3:31 pjn.—Speakers stolen, park
ing lot at 19th between U said S
streets, $150 damage, $200 loss.
4:42 p.m.—Computer mouse sto
len, computer lab in Woods Build
ing, $30.
11:20 pjn. — Cooking items sto
len, Selleck Hall kitchen, $57.
Portnoy said many universities
allowed students only four to six visits,
then referred them to private
practitioners.
UNL’s system allows for more
flexibility, he said, because employees
can work with students as long as they
need help.
However, many students who come
to CAPS can work out their problems
in one or two sessions, Portnoy said.
He emphasized that CAPS was not
just for students with serious problems.
A stigma can be attached to seeking
psychological help at the Health
Center, he said. Sometimes people
think the Health Center is more
medically oriented, meaning people
must be mentally ill to receive help
there.
“That’s not even close to the
reality,” he said.
Portnoy said staff members wanted
everyone on campus to feel
comfortable coming to CAPS.
One way CAPS tries to do this is by
not having students working in the
POLICE REPORT
Beginning midnight Friday.
12:39 a.m. — Gate arm stolen,
parking lot at health center, $25.
1:20 a.m. — Plants stolen, Theta
Chi fraternity, 626 N. 16th Sl, .
$170.
3:24 a.m. — Person driving while
intoxicated, 17th and Vine streets,
one person taken to Lancaster
County Ail.
3:26 a.m. — Accident, 15th and S
streets, $3,500. ,
4:03 a.m. — Window damaged,
Lambda Chi Alpha fraternity, 1345
R St., $10.
11:10a.m.—Stolen jacket recov
ered, Bob Dcvancy Sports Center.
office, he said.
Portnoy said he was concerned that
students might feel their
confidentiality was somehow
compromised if other students worked
in the office.
Keeping student workers out of the
office is a tradition of the Mental
Health Department, but not the
Counseling Center, he said.
In effort to make everyone feel
welcomeatCAPS, Portnoy saidCAPS
also had been working with groups
such as the Women’s Center and
Multi-Cultural Affairs.
He also said the staff was made up
of diverse races, backgrounds and,
sexual orientations. - - --
Given the circumstances of the
budget crunch, Portnoy said he thought
the transition had gone smoothly.
“I like to think that we’ve been
able to blend these two traditions into
a very positive department... and in
the process reach more students than
we ever did in the past,” Portnoy said.
1:11 p.m. — Accident, south of
Temple Building, $300.
10:35 p.m. — Woman hit by un
known object, Devaney Sports
Center.
11:06 pjn. —- Wallet stolen, Vet
erinary Basic Science Building,
$20.
Beginning midnight Saturday
12:23 a.m. — Stolen vehicle re
covered, 15th between Court and
Claremont streets.
1:27 a.m. — Window damaged,
Triangle fraternity, 1235 N. 16th
St, $25.
8:22 a.m.—Stop sign stolen, 10th
and Avfcry streets, $75.
Lied Center
Tickets $ 16 & $20
Call Lied Center Box Office 4724700
Student admission half price
($8.00 & $10.00)
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