Navigation Links
How authentic is your pomegranate juice?
Date:11/29/2010

RIVERSIDE, Calif. You pick up a bottle of pomegranate juice at the store because you've learned that, although it costs more than most juices, it is replete with antioxidants that bring health benefits. But wait: Is the juice you've purchased really pomegranate juice? Or is the product label you have carefully read promising more than it delivers?

A chemist at the University of California, Riverside is determined to find out. Cynthia Larive, a professor of chemistry, is playing detective by applying chemical tests to juice products sold as pomegranate juice or pomegranate juice blends, in order to authenticate their contents.

"We are measuring levels of unique compounds in pomegranate juice and are able to use this 'molecular fingerprint' to discriminate against adulterated juice products," said Larive, whose research on pomegranate juice is being funded by a nearly $50,000 one-year grant from Pom Wonderful, a company that grows and markets pomegranates and pomegranate-based products.

In the lab, Larive and her graduate student Daniel Orr are measuring levels of different biochemicals, called small-molecule metabolites, present in juices. To make their measurements, the researchers are using nuclear magnetic resonance spectroscopy, liquid chromatography-mass spectroscopy, and gas chromatography-mass spectroscopy three methods that together allow them to measure amino acids, organic acids, sugars, pomegranate pigment compounds, as well as health-producing antioxidant molecules that are unique to pomegranate juice.

"We have received a collection of pomegranate samples from around the world, as well as commercial juices such as beet, grape, apple and pear to name just a few," Larive said. "We're looking at whether or not our molecular fingerprint method can be used to identify products claiming to contain pomegranate juice when they don't, and products claiming to be pomegranate juice when they are not."

According to Larive, the three methods her lab used on pomegranate juices can be used to authenticate other products such as wine and olive oil by checking whether their metabolite profiles match what the products are claimed by their manufacturers to be.

"We are really curious to see how far we can push the technology," she said. "This research dovetails nicely with some of the research we're already doing at UC Riverside on hypoxia in plants with Julia Bailey-Serres. Where our experiments are concerned, juices, wine and olive oil are simply different sets of plant compounds. So it should be relatively easy to extrapolate the work we're doing on pomegranate juices to these products."

Larive explained that by examining the levels of different compounds in, say, pomegranate juice, a statistical picture or chemical profile emerges that describes the juice. Then, depending on how much an unknown product's profile differs from the pomegranate juice profile, her lab can determine whether that unknown product is pomegranate juice or contains only some or none of it.


'/>"/>

Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
Source:Eurekalert  

Related medicine news :

1. Anakam And Axolotl Collaborate To Deliver A Multi-Factor Authentication Platform For Santa Cruz Health Information Exchange
2. Dual Purpose Vacations Combine Yoga Spa Vacation in Cabo San Lucas, Mexico, With Authentic Yogic Miracles Conference
3. Zvetco Biometrics Delivers Needed Authentication for New York City Department of Health and Mental Hygiene
4. HEALTHeLINK Selects ANAKAM To Provide Cloud Based Community Wide Two Factor Authentication
5. Latest Research Shows that Green Tea and Pomegranate are Helpful in Losing Weight after Menopause, according to Dr. Ershadi
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
How authentic is your pomegranate juice?
(Date:1/19/2017)... Mississippi (PRWEB) , ... January 19, 2017 , ... St. ... Siena Center. , Siena Center is a skilled nursing facility on the grounds of ... and semiprivate rooms. It recently was voted the best nursing home in Mississippi for ...
(Date:1/19/2017)... (PRWEB) , ... January 19, 2017 , ... ... in the 2017 Spring Create Real Impact contest from Impact Teen Drivers and ... at http://www.createrealimpact.com . , Educational grants totaling $15,000 will be awarded ...
(Date:1/19/2017)... CA (PRWEB) , ... January 18, 2017 , ... The ... while driving during a rain storm by slowing down and increasing the space between ... Fox 40. Los Angeles based car accident attorney Raymond R. Hassanlou notes that, rain ...
(Date:1/19/2017)... Norwalk, CT (PRWEB) , ... January 19, 2017 , ... ... Dr. Sang H. Kim, a highly experienced and compassionate dermatologist. Dr. Kim brings ... skincare center . , “It is with considerable pleasure to welcome back Dr. Kim ...
(Date:1/19/2017)... , ... January 19, 2017 , ... Sales Focus Inc. ... clients into the US market. , Over the past 20 years SFI has been ... weeks SFI has launched six new clients into the US market. The new ...
Breaking Medicine News(10 mins):
(Date:1/19/2017)...   Science Exchange , the leading marketplace ... the first five replication studies from the ... in eLife today. Despite intense scrutiny around reproducibility ... evaluation of reproducibility rates that may identify specific ... assessments of reproducibility, the results of this project ...
(Date:1/19/2017)... January 18, 2017 , , Marks E-QURE ... distribution agreement, following similar agreements in Israel ... Wound care is $2 5 billion ... E-QURE Corp. (OTCQB: EQUR), a leader in medical devices for the treatment of ... Médica Equipos Médicos S.A.S. (TeckMedica) in Colombia for the ...
(Date:1/19/2017)... , Jan. 18, 2017 The drug ... billion by 2021 from USD 1,179.20 billion in 2016, ... Increasing prevalence of chronic diseases, increasing demand for ... factors driving the growth of this market. Whereas, self-administration ... generic drugs offer significant growth opportunities for players operating ...
Breaking Medicine Technology: