Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Difference Between Some Organic, Conventional Produce

22.07.2004


New research on specific sample groups shows some organic produce may have an added health benefit over conventionally grown counterparts, according to researchers presenting at the Institute of Food Technologists Annual Meeting and Food Expo. But inherent inconsistencies associated with organic farming make general comparisons inappropriate.

In her study of organic and conventionally grown tomatoes, Alyson Mitchell, a food chemist at University of California at Davis, found organic tomatoes had higher levels of secondary plant metabolites and higher levels of vitamin C.

“In looking at the (California) supermarket varieties of broccoli, we also found significantly higher levels of the flavonoids in organic broccoli,” said Mitchell.



As defense mechanisms in plants used to fend off infection and pests, metabolites in the body are thought to offer health benefits including reduced risk of heart attacks and coronary heart disease. Flavonoids are metabolites known to act in the body as antioxidants.

“It is recognized that high-intensity agricultural practices can disrupt the natural production of secondary metabolites involved in plant defense mechanisms,” Mitchell said.

No significant differences were seen between organic and conventional green peppers, Mitchell reported.

The findings add to a small body of literature showing higher levels of antioxidants in some organic produce, including research out of the UC-Davis showing higher levels of phenols in some berries.

Building solid evidence confirming the benefits of organic fruits and vegetables over conventionally grown produce is hampered by wide variances in organic farming, ranging from soil and climate differences to variations in crops, seasons and farmer philosophies, said Diane Barrett, also a researcher with the UC-Davis department of food science and technology.

“We need more controlled and real-life commercial studies, and we need better collaboration between researchers to get a broader look at growing systems,” said Barrett.

The IFT Annual Meeting and Food Expo is the world’s largest annual food science and ingredient conference, delivering comprehensive, cutting-edge research and opinion from food science-, technology-, marketing- and business-leaders. Now it’s 64th year, the IFT Annual Meeting and Food Expo registered more than 19,000 attendees and hosted nearly 1,000 exhibiting companies.

The convention concluded Friday.

| newswise
Further information:
http://www.ift.org

More articles from Studies and Analyses:

nachricht WAKE-UP provides new treatment option for stroke patients | International study led by UKE
17.05.2018 | Universitätsklinikum Hamburg-Eppendorf

nachricht First form of therapy for childhood dementia CLN2 developed
25.04.2018 | Universitätsklinikum Hamburg-Eppendorf

All articles from Studies and Analyses >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Powerful IT security for the car of the future – research alliance develops new approaches

The more electronics steer, accelerate and brake cars, the more important it is to protect them against cyber-attacks. That is why 15 partners from industry and academia will work together over the next three years on new approaches to IT security in self-driving cars. The joint project goes by the name Security For Connected, Autonomous Cars (SecForCARs) and has funding of €7.2 million from the German Federal Ministry of Education and Research. Infineon is leading the project.

Vehicles already offer diverse communication interfaces and more and more automated functions, such as distance and lane-keeping assist systems. At the same...

Im Focus: Molecular switch will facilitate the development of pioneering electro-optical devices

A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.

The development of new electronic technologies drives the incessant reduction of functional component sizes. In the context of an international collaborative...

Im Focus: LZH showcases laser material processing of tomorrow at the LASYS 2018

At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.

At this year's LASYS, the LZH will exhibit light-based processes such as cutting, welding, ablation and structuring as well as additive manufacturing for...

Im Focus: Self-illuminating pixels for a new display generation

There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?

At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...

Im Focus: Explanation for puzzling quantum oscillations has been found

So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics

Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

In focus: Climate adapted plants

25.05.2018 | Event News

Save the date: Forum European Neuroscience – 07-11 July 2018 in Berlin, Germany

02.05.2018 | Event News

Invitation to the upcoming "Current Topics in Bioinformatics: Big Data in Genomics and Medicine"

13.04.2018 | Event News

 
Latest News

In focus: Climate adapted plants

25.05.2018 | Event News

Flow probes from the 3D printer

25.05.2018 | Machine Engineering

Less is more? Gene switch for healthy aging found

25.05.2018 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>