Monday, 03 August 2015

PROCESS EXPO 2015 educational program announces two more sessions

PROCESS EXPO 2015 educational program announces tw...

The Food Processing Suppliers Association (FPSA) today announced the details of two exciting session...

Potato Industry Leadership Institute to be held Feb. 17-25, 2016

Potato Industry Leadership Institute to be held Fe...

The National Potato Council (NPC) and the United States Potato Board (USPB) are accepting applicat...

NPC holds 2015 Summer meeting

NPC holds 2015 Summer meeting

On July 7-9, growers and industry leaders from across the United States of America met in Kalispel...

Bühler Aeroglide introduces new food technologist

Bühler Aeroglide introduces new food technologist

Bühler Aeroglide, a global leader in thermal process engineering and technology for food, feed, and indus...

AHDB Next Generation group explore potato processing

AHDB Next Generation group explore potato processing

  The AHDB Potatoes ‘Next Generation’ tour kicked off in Yorkshire last month, visiting two progressiv...

TOMRA launches Spanish language website

TOMRA launches Spanish language website

TOMRA has launched a Spanish version of its website, underlining the importance of Spain and other Span...

tna highlights start-to-finish solutions at PACK EXPO 2015

tna highlights start-to-finish solutions at PACK EXPO 2...

For the first time in tna’s history with Pack Expo, tna will be presenting its capabilities as the only t...

The steps to chilled perfection

The steps to chilled perfection

  Production of frozen products, especially French fries, needs to be meticulous to end up with the ...

Key Technology introduce enhancements to Rotary systems

Key Technology introduce enhancements to Rotary systems

Key Technology introduced on July 15 its improved Rotary Sizing and Grading Systems, which include its Sl...

McCain Australia has new range of frozen potato wedges

McCain Australia has...

  McCain Australia has recently launched the new wedges ‘...

Tolsma-Grisnich and Kiremko, partnership for a new plant in China

Tolsma-Grisnich and ...

  Strategic partners Tolsma-Grisnich and Kiremko recently...

Utz Quality Foods launches Specialty Division

Utz Quality Foods la...

Utz Quality Foods, Inc. has recently announced the culmina...

Potatoes are back on WIC, a nutritional program for women, infants and children in USA

Potatoes are back on...

The National Potato Council (NPC) from USA succeeded to put ...

Exclusive interview with the director of Urschel Laboratories, Inc: The Urschel team is a very strong one

Exclusive interview ...

What began with one man's invention more than 100 years ago ...

UK Potato Council says it is a record year for seed potato exports

UK Potato Council sa...

  Seed potato exports are booming, with the latest figure...

Indian Government will procure 6,600 tones of potato from farmers

Indian Government wi...

The State Government announced its decision to procure 6,6...

Company launches a new solution for potato sprouting

Company launches a n...

  BioSafe Systems announces the introduction of ARRET Spr...

Seed Industry Event conference tackles key industry concerns

Seed Industry Event ...

The recent Seed Industry Event, organized by British Potato ...

Armenia registered an important growth in potato exports in 2014

Armenia registered a...

Armenian potato exports totaled about 20,600 tons, compared ...

In the first known study to address the effects of potato consumption on antioxidant status, oxidative stress and inflammation in humans, a team of research scientists worked with a group of Washington adult males to test the hypothesis that antioxidants from coloured potatoes would decrease susceptibility to chronic diseases.

In the six-week study, three groups of 12 healthy, 18- to 40-year-old males from Washington State University and the surrounding communities consumed 150g of cooked potatoes-white-, yellow- or purple-fleshed-once a day. Blood tests were performed at the beginning and at six weeks to analyze for indications of antioxidant status, oxidative stress, and inflammation.

The research team of Kerrie L. Kaspar, Jean Soon Park, Bridget D. Mathison and Boon P. Chew from the School of Food Science, Washington State University, Pullman; and Charles R. Brown and Duroy A. Navarre from the USDA-Agricultural Research Service, Prosser, reported the findings in the American Society for Nutrition's November 24 issue of the on-line Journal of Nutrition.

To maximize retention of bioactive compounds, whole potatoes were boiled in a steam kettle for about 25 min, immediately cut into quarters, frozen in sealed plastic bags, and stored at -35C (-31F) until use. To minimize destruction of the bioactive compounds, potato recipes used quick-cook methods such as soups, mash and stir-fry.

The potato is the most commonly consumed vegetable in the US. In addition to high concentrations of vitamin C and iron, the highly-coloured potato varieties are rich in antioxidants, including phenolic acids, anthocyanins and carotenoids. Consumption of foods rich in antioxidants is associated with a lower incidence of chronic diseases such as cardiovascular disease, atherosclerosis, rheumatoid arthritis and cancer.

Potatoes were analyzed for phenolic acids, anthocyanins, and carotenoids. Compared with white potatoes, the yellows had higher concentrations of phenolic acids and carotenoids, whereas the purples had higher concentrations of phenolic acids and anthocyanins. Yellow potatoes are rich in lutein and can provide up to 10 times more carotenoids than their white-flesh counterparts. However, antioxidant concentrations in potatoes have been reported to vary greatly among cultivars based on genotype, location and year grown, the report cautioned.

Overall, the scientists documented that consumption of both yellow and purple potatoes decreased oxidative damage and inflammation in participants compared with those who consumed white potatoes. "This offers consumers an improved nutritional choice in potato consumption," the report concluded. "The potential physiological benefits of consuming pigmented potatoes should be explored in persons with chronic disease." Not to mention women.

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