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UF/IFAS researcher continues quest for peanut that won’t cause allergic reaction

Topic(s): Families and Consumers, Food Safety, IFAS, New Technology, Research

Wade Yang, an assistant professor in UF?s food science and human nutrition department, left, and graduate student Sandra Shriver, use pulsed ultraviolet light to reduce allergens in peanuts in Yang's laboratory in Gainesville, Fla., on April 15, 2011. The technique has been shown to significantly reduce the allergenic potential of peanuts by up to 90 percent. IFAS photo by Tyler L. Jones

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GAINESVILLE, Fla. — A University of Florida scientist has moved one step closer to his goal of eliminating 99.9 percent of peanut allergens by removing 80 percent of them in whole peanuts.

Scientists must eliminate peanut allergens below a certain threshold for patients to be safe, said Wade Yang, an assistant professor in food science and human nutrition and member of UF’s Institute of Food and Agricultural Sciences.

If Yang can cut the allergens from 150 milligrams of protein per peanut to below 1.5 milligrams, 95 percent of those with peanut allergies would be safe. It’s challenging to eliminate all peanut allergens, he said, because doing so may risk destroying peanuts’ texture, color, flavor and nutrition. But he said he’s using novel methods like pulsed light to reach an allergen level that will protect most people.

Yang, whose study is published online in this month’s issue of the journal Food and Bioprocess Technology, cautioned that he has done peanut allergen experiments only in a laboratory setting so far. He hopes to eventually conduct clinical trials on animals and humans.

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UF/IFAS researchers use steam to treat citrus greening

Topic(s): Agriculture, Citrus, IFAS, New Technology, Pests, Research

UF/IFAS researchers are using steam to treat citrus greening.

GAINESVILLE, Fla. — University of Florida researchers are turning to the old-fashioned method of steaming to help treat citrus greening, a disease devastating citrus trees throughout Florida.

Reza Ehsani and his UF Institute of Food and Agricultural Sciences colleagues are tenting and then enveloping trees in steam that is 136 degrees Fahrenheit for about 30 seconds in an attempt to kill the citrus greening bacterium. (more …)

UF/IFAS study: Strawberry monitoring system could add $1.7 million over 10 years to some farms

Topic(s): Crops, Economics, New Technology, Research

Natalia Peres strawberries

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GAINESVILLE, Fla. – A University of Florida-developed web tool can bring growers $1.7 million more in net profits over 10 years than a calendar-based fungicide system because it guides growers to spray their crop at optimal times, a new UF study shows.

The Strawberry Advisory System, devised by an Institute of Food and Agricultural Sciences researcher, takes data such as temperature and leaf wetness and tells growers when to spray fungicide to ward off diseases. Growers can use the system by logging onto www.agroclimate.org/tools/strawberry or use the website to sign up for email or text alerts.

Before the system was developed, strawberry farmers traditionally sprayed weekly during the November-to-March growing season. Spraying more often than is needed wastes money and can lead to fungicide resistance, said Natalia Peres, associate professor in plant pathology, who led the system’s development.

Not all strawberry growers use the system, but this research might persuade them to do so, said Tatiana Borisova, an assistant professor in UF/IFAS food and resource economics department.

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Online tool lets Florida producers, customers find each other

Topic(s): Economics, Families and Consumers, New Technology, Nutrition

From farm gate to dinner plate, consumers are looking for more local food options.  According to the latest USDA Census of Agriculture, industry estimates put local food sales at $7 billion in 2011, reflecting the market’s growing importance.

A revamped online tool, called Florida Food Connect, at www.floridafoodconnect.com, offers agricultural producers an easy-to-use way to reach new customers and offers consumers an easy way to find local growers of the freshest foods.

Florida Food Connect offers large and small producers and growers opportunities to diversify sales and build profitable relationships.

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UF/IFAS study: Model may help growers mitigate costly droughts

Topic(s): Crops, Economics, New Technology, Weather

ingram

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GAINESVILLE, Fla. – A University of Florida-created model may help growers plant at optimal times and avoid crop-destroying drought, which can cost millions of dollars in a given year, according to one of the tool’s creators.

If growers know when their crops need the most water, they can plant accordingly, said Keith Ingram, an associate scientist in UF’s agricultural and biological engineering department, part of the Institute of Food and Agricultural Sciences.

Although forecasts indicate a drought’s likelihood, they aren’t perfect, Ingram said. But they can help a farmer decide whether to plant a crop earlier or later than usual so drought is less likely to occur when the crop is most sensitive to drought, Ingram said.

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UF/IFAS helps create genome database to aid fruit growers, scientists

Topic(s): Citrus, Crops, New Technology

GAINESVILLE, Fla. –Scientists and growers can use a new genome database developed in part by University of Florida researchers to help make fruit trees more disease- and pest-resistant and enhance crop quality.

Researchers who study citrus, rosaceae and vaccinium crops will be the primary users of the portal, said Mercy Olmstead, assistant professor of horticultural sciences at UF’s Institute of Food and Agricultural Sciences, but agricultural producers will also reap the benefits.

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A better bedbug trap: Made from household items for about $1

Topic(s): Entomology and Nematology, Environment, Household Pests, New Technology, Pests

Benjamin Hottel, a University of Florida doctoral student in entomology, left, and Phil Koehler, an urban entomology professor, demonstrate how to build a do-it-yourself bedbug trap. They created a method for building an inexpensive trap to help those who

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Bug-Trap

This graphic illustrates how you can make the bedbug interceptor trap.

Video available at: http://bit.ly/1vfXPrL.

GAINESVILLE, Fla. — The contraption seems so simple, yet so clever, like something The Professor might have concocted on “Gilligan’s Island.”

Researchers at the University of Florida’s Institute of Food and Agricultural Sciences have devised a bedbug trap that can be built with household items. All you need are two disposable plastic containers, masking tape and glue, said Phil Koehler, UF/IFAS urban entomology professor. The traps catch and collect the bugs when they try to travel between people and the places where bedbugs hide, he said.

“This concept of trapping works for places where people sleep and need to be protected at those locations,” Koehler said.

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UF’s Unmanned Aviation Systems featured at the 2014 SUN ’n FUN International Fly-In & Expo

Topic(s): Agriculture, Announcements, Crops, Environment, IFAS, New Technology, Research
The University of Florida's Unmanned Aircraft Systems Research Program team launches its aircraft. It is used for recording imagery of natural resources-based subjects, including bird rookeries, alligator nests, manatee gatherings, crops, infrastructure and habitats.

See Photo Caption Below

LAKELAND, Fla. – While most people think of unmanned aircraft solely as military drones, a group University of Florida Institute of Food and Agricultural Sciences researchers know from more than a decade of experience that the small aircraft are used to further science and engineering.

Thanks to an invitation from the Federal Aviation Administration, the University of Florida’s Unmanned Aircraft Systems Research Program will be at this week’s 40th annual SUN ’n FUN Fly-In in Lakeland, the nation’s second-largest airshow, to discuss the UF program, its history, and its interdisciplinary design and research, (more …)

UF/IFAS web tool successfully measures farms’ water footprint

Topic(s): Agriculture, Conservation, Crops, New Technology

GAINESVILLE, Fla. – A new University of Florida web-based tool worked well during its trial run to measure water consumption at farms in four Southern states, according to a study published this month.

The system measures the so-called “water footprint” of a farm. In the broader sense, water footprints account for the amount of water used to grow or create almost everything we eat, drink, wear or otherwise use.

Researchers at UF’s Institute of Food and Agricultural Sciences introduced their WaterFootprint tool in the March issue of the journal Agricultural Systems, after using it to calculate water consumption at farms in Florida, Georgia, Alabama and Texas.

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UF/IFAS researchers’ work helps U.S. military deliver fresher MREs

Topic(s): Economics, IFAS, New Technology, Research

Jan. 15, 2014

Jeffrey Brecht, the director of the UF Institute of Food and Agricultural Sciences’ Research Center for Food Distribution and Retailing, and former UF Professor Jean Pierre Edmond hold up a Meal, Ready-To-Eat.

Jeffrey Brecht, left, the director of the UF Institute of Food and Agricultural Sciences’ Research Center for Food Distribution and Retailing, and former UF Professor Jean Pierre Edmond hold up a Meal, Ready-To-Eat.

GAINESVILLE, Fla. – University of Florida researcher Jeffrey Brecht is leading a team of scientists working to eliminate waste and streamline the process of distributing the U.S. Army’s legendary Meal, Ready-to-Eat (MREs).

In a five-year, $6.7 million study, Brecht, the director of the UF Institute of Food and Agricultural Sciences’ Research Center for Food Distribution and Retailing, and colleagues tested the longevity of MREs, along with First Strike Rations (FSRs) for front-line troops, including special forces.

“These rations were originally developed with a shelf life of three years for MREs and two years for FSRs – but at 80 degrees,” Brecht explained. “However, when they send them to the Middle East, they could be exposed to temperatures as high as 140 degrees, at which point the shelf life could be 4 weeks or less, instead of the three years.” (more …)

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