Navigation Links
Fruity science halves fat in chocolate
Date:8/13/2012

Scientists have found a way to replace up to 50 per cent of chocolate's fat content with fruit juice.

University of Warwick chemists have taken out much of the cocoa butter and milk fats that go into chocolate bars, substituting them with tiny droplets of juice measuring under 30 microns in diameter.

They infused orange and cranberry juice into milk, dark and white chocolate using what is known as a Pickering emulsion.

Crucially, the clever chemistry does not take away the chocolatey 'mouth-feel' given by the fatty ingredients.

This is because the new technique maintains the prized Polymorph V content, the substance in the crystal structure of the fat which gives chocolate its glossy appearance, firm and snappy texture but which also allows it to melt smoothly in the mouth.

The final product will taste fruity - but there is the option to use water and a small amount of ascorbic acid (vitamin C) instead of juice to maintain a chocolatey taste.

Dr Stefan Bon from the Department of Chemistry at the University of Warwick was lead author on the study published in the Journal of Materials Chemistry.

He said the research looked at the chemistry behind reducing fat in chocolate, but now it was up to the food industry to use this new technique to develop tasty ways to use it in chocolate.

Dr Bon said: "Everyone loves chocolate but unfortunately we all know that many chocolate bars are high in fat.

"However it's the fat that gives chocolate all the indulgent sensations that people crave the silky smooth texture and the way it melts in the mouth but still has a 'snap' to it when you break it with your hand.

"We've found a way to maintain all of those things that make chocolate 'chocolatey' but with fruit juice instead of fat.

"Our study is just the starting point to healthier chocolate we've established the chemistry behind this new technique but now we're hoping the food industry will take our method to make tasty, lower-fat chocolate bars."

The scientists used food-approved ingredients to create a Pickering emulsion, which prevents the small droplets from merging with each other.

Moreover, their chocolate formulations in the molten state showed a yield stress which meant that they could prevent the droplets from sinking to the bottom.

The new process also prevents the unsightly 'sugar bloom' which can appear on chocolate which has been stored for too long.


'/>"/>

Contact: Anna Blackaby
a.blackaby@warwick.ac.uk
44-247-657-5910
University of Warwick
Source:Eurekalert

Related biology news :

1. NSBRI renews space life sciences graduate programs at MIT, Texas A&M
2. First Indian-European research networking projects in the social sciences launched
3. Stanford expert brings climate change science to heated Capitol Hill
4. Press accreditation for World Series of Science
5. German National Academy of Sciences issues a critical statement on the use of bioenergy
6. University of Leeds and Chinese Academy of Sciences join forces
7. National Science Foundation awards $1 million to improve the efficiency of DNA fabrication
8. ONR-funded research takes flight in Popular Science article
9. Citizen science helps unlock European genetic heritage
10. DataONE answers the call for new tools to study the Earth in this era of Big Data science
11. Blue Ribbon Panel unveils findings on logistical improvements to support Antarctic science
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/14/2016)... 2016 NXTD ) ("NXT-ID" or the ... announces the airing of a new series of commercials on ... March 21 st .  The commercials will air on Bloomberg ... on the Street show. --> NXTD ) ("NXT-ID" ... commerce market, announces the airing of a new series of ...
(Date:3/11/2016)... 11, 2016 http://www.apimages.com ) - --> ... is available at AP Images ( http://www.apimages.com ) - ... used to produce the new refugee identity cards. DERMALOG will be ... CeBIT in Hanover next week.   --> ... be used to produce the new refugee identity cards. DERMALOG will ...
(Date:3/10/2016)... 2016 --> ... "Identity and Access Management Market by Component (Provisioning, Directory ... by Organization Size, by Deployment, by Vertical, and by ... The market is estimated to grow from USD 7.20 ... at a Compound Annual Growth Rate (CAGR) of 12.2% ...
Breaking Biology News(10 mins):
(Date:5/25/2016)... UTAH. (PRWEB) , ... May 25, 2016 , ... WEDI, ... healthcare information exchange, today announced that Charles W. Stellar has been named by the ... interim CEO since January 2016. As an executive leader with more than 35 years ...
(Date:5/24/2016)... ... , ... Last week, Callan Capital, an integrated wealth management firm specializing in ... San Diego Life Science event at the Estancia La Jolla Resort and Spa. , ... speakers Dr. Rich Heyman, former CEO of Aragon and Seragon, and Faheem Hasnain, former ...
(Date:5/23/2016)... , May 23, 2016 Oxitec CEO ... th at 10:15 a.m. ET before the United States ... genetically engineered mosquitos can play in controlling the spread of ... the Zika virus.      (Logo: http://photos.prnewswire.com/prnh/20150630/227348 ... mosquito with a self-limiting gene. Trials in Brazil ...
(Date:5/20/2016)... ... May 20, 2016 , ... The leading Regenerative Veterinary ... most experienced veterinary clients have treated over 100 of their own patients with the ... provide the highest level of care for their patients. , The veterinarians are ...
Breaking Biology Technology: