Featured Research

from universities, journals, and other organizations

Scientists Invent Machine That Sorts Pomegranate Seeds

Date:
December 1, 2008
Source:
Plataforma SINC
Summary:
A team of investigators from Valencia has developed a machine that separates automatically the seeds from the rind and pith of the pomegranate. The mechanism uses a computer vision system to distinguish and sort the different parts of this fruit, according to a study published on-line by the Journal of Food Engineering.

A new Spanish invention enables pomegranates to be de-seeded automatically.
Credit: iStockphoto/Dobri Dobrinov

A team of investigators from Valencia has developed a machine that separates automatically the seeds from the rind and pith of the pomegranate. The mechanism uses a computer vision system to distinguish and sort the different parts of this fruit, according to a study published on-line by the Journal of Food Engineering.

The difficulty in peeling pomegranates and separating out the seeds disheartens many consumers when they eat the fruit of the pomegranate (Punica granatum). Now a Spanish invention enables this food to be de-seeded automatically. “This involves a machine that discards the non edible parts and sorts the seeds according to their quality”, José Blasco explains to SINC and who is from the Institute of Agrarian Research in Valencia (Instituto Valenciano de Investigaciones Agrarias [IVIA]), where they have carried out research. The results of the research have been published recently in the Journal of Food Engineering, and the patent has already been requested.

The initial idea for creating this machine came from a project financed by the European Union for the comprehensive utilization of the pomegranate. A firm from Valencia became involved in the project and uses the machine to separate the seeds from the pomegranate and commercialises them.

The seeds arrive at the machine in a pile and mixed with the rest of the fruit, following a prior process of wholesale de-seeding. The material is placed on a conveyor platform with hoppers that organises it into a queue before going on to the “inspection chamber” where two videocameras record each object going through. Images are processed in a computer with vision software especially designed for this task that identifies what is seed from what is not (pith, rind, strange items from the countryside), in addition to evaluating the quality of the seeds.

This information enables the fruit to be put to one side in the “separation area”, which has four exits. When the system detects that an active skin is passing through, a “blast” is emitted from air projectors thus pushing it towards the first exit. By means of these “blasts” (which last about 30 milliseconds) the rest of the material is separated gradually. The seeds that do not fulfil the quality requirements demanded by the firm are eliminated through the second exit, prime quality seeds go through the third exit, and those of excellent quality go through the fourth exit.

Anti-carcinogenic properties of pomegranates

Nearly 35,000 tons of pomegranates are produced in Spain each year, and the harvesting period is concentrated between the months of October and January. Until now a lot of the fruits were not commercialised because of their cracked and discoloured appearance due to “too much sun”, although in both cases the nutritive and organoleptic quality of the seeds was not affected. With the new machine these pomegranates will be used to full advantage.

The nutritional and anti-carcinogenic properties of the pomegranate fruits have been highlighted in various studies. Moreover this tree does not need fertilizers, phytosanitary products, or large quantities of water, and so adapts well to arid soils.


Story Source:

The above story is based on materials provided by Plataforma SINC. Note: Materials may be edited for content and length.


Cite This Page:

Plataforma SINC. "Scientists Invent Machine That Sorts Pomegranate Seeds." ScienceDaily. ScienceDaily, 1 December 2008. <www.sciencedaily.com/releases/2008/11/081121151912.htm>.
Plataforma SINC. (2008, December 1). Scientists Invent Machine That Sorts Pomegranate Seeds. ScienceDaily. Retrieved July 26, 2014 from www.sciencedaily.com/releases/2008/11/081121151912.htm
Plataforma SINC. "Scientists Invent Machine That Sorts Pomegranate Seeds." ScienceDaily. www.sciencedaily.com/releases/2008/11/081121151912.htm (accessed July 26, 2014).

Share This




More Plants & Animals News

Saturday, July 26, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

How to Make Single Serving Smoothies: Howdini Hacks

How to Make Single Serving Smoothies: Howdini Hacks

Howdini (July 24, 2014) — Smoothies are a great way to get in lots of healthy ingredients, plus they taste great! Howdini has a trick for making the perfect single-size smoothie that will save you time on cleanup too! All you need is a blender and a mason jar. Video provided by Howdini
Powered by NewsLook.com
Boy Attacked by Shark in Florida

Boy Attacked by Shark in Florida

Reuters - US Online Video (July 24, 2014) — An 8-year-old boy is bitten in the leg by a shark while vacationing at a Florida beach. Linda So reports. Video provided by Reuters
Powered by NewsLook.com
Goma Cheese Brings Whiff of New Hope to DRC

Goma Cheese Brings Whiff of New Hope to DRC

Reuters - Business Video Online (July 24, 2014) — The eastern region of the Democratic Republic of Congo, mainly known for conflict and instability, is an unlikely place for the production of fine cheese. But a farm in the village of Masisi, in North Kivu is slowly transforming perceptions of the area. Known simply as Goma cheese, the Congolese version of Dutch gouda has gained popularity through out the region. Ciara Sutton reports. Video provided by Reuters
Powered by NewsLook.com
Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Tyrannosaur Pack-Hunting Theory Aided By New Footprints

Newsy (July 24, 2014) — A new study claims a set of prehistoric T-Rex footprints supports the theory that the giant predators hunted in packs instead of alone. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins