news with Dr Carrie Ruxton
Latest on sweetened beverages
Four recent publications have discussed whether the consumption of
sweetened beverages could affect body weight and metabolic health.
Soft drinks provide energy but may not be as satiating as the equivalent
nutrition-communications.com
energy from food. This can lead to over-consumption and, potentially, a
greater risk of obesity.
The first study investigated wheth- blood levels of glucose, insulin, leptin,
er different levels of carbonation in or triglyceride (TG). Forty-two men
Popcorn predicts
beverages had an impact on appe- and women were asked to drink
tite. The trial, based on 30 adult sub- beverages sweetened with sucrose,
better diet
jects, identified that the consumption high-fructose corn syrup (HFCS),
of a beverage with a medium/high fructose or glucose. Blood samples
In America, popcorn is included
level of carbonation could reduce were taken for biochemical analysis.
within the ‘MyPyramid’ to encour-
hunger if consumed early in the day. Overall, the consumption of differ-
age consumers to increase their
However, appetite appeared to re- ent beverages had little metabolic
whole-grain intake.
turn to normal later in the afternoon. impact. TG levels were temporarily
Using data from the American food
Another study assessed bever- higher in men drinking the HFCS or
survey, average popcorn intake was
age intake and body weight over a sucrose based beverages compared
calculated as 39g per day and cor-
5-year period in German boys and with the other types.
related with nutrient intakes. American
girls (mean age = 12 years). Results For more information see: Pereira
adults who ate popcorn had signifi-
showed that body mass index (BMI) MA & Jacobs DR (2008). British Jour-
cantly higher intakes of wholegrains
was significantly higher in girls con- nal of Nutrition. 99(6): pages 1169-
and fibre when compared with those
suming the most energy from fruc- 1170. Moorhead SA et al (2008) British
not eating popcorn. Carbohydrate
tose-based beverages, particularly Journal of Nutrition. 99(6): pages
and magnesium intakes were also
fruit juice. There were no similar find- 1362-1369. Libuda L et al. (2008) Brit-
higher in popcorn consumers, but
ings in boys but this may have been ish Journal of Nutrition. 99(6): pages
intakes of protein, niacin and folate
because pubertal growth skewed 1370-1379 and Stanhope KL et al.
were lower. The results suggested that
the BMI data. (2008) American Journal of Clinical
popcorn could play a role in increasing
A third study evaluated whether Nutrition. 87: pages 1194-1203.
daily fibre/whole-grain intakes.
different beverages could influence
For more information see: Grand-
jean AC et al (2008) Journal of the
American Dietetic Association. 108:
Low fibre fruits better for iron
pages 853-856.
status
A new French study explored whether fruit and veg-
etable consumption influenced iron status. Some fruits
and vegetables are rich in fibre which is known to
A NEW WAY TO ADD
chelate (bind) iron and reduce its availability within
FIBRE TO YOUR LIFE!
the gut.
However, many fruits and vegetables are high in vita-
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iron availability and, hence, absorption.
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Over 4,000 adult participants completed 24-hour
dietary recalls during a 2-year period. Blood samples
With 67% dietary fi bre (AOAC),
were taken to determine serum ferritin and haemoglobin
Fibrex
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levels, both measures of iron status. The results showed morning cereal or added to bakery
that ferritin was higher in pre-menopausal women who and meat products to give them
tended to eat low fibre fruits, vegetables and juices. improved texture and bite.
Haemoglobin levels were higher (up to 1.5g/l more) in
women who drank low fibre fruit and vegetable juices
Fibrex
®
is now available at
that were also high in vitamin C. It would appear that
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certain juices could be useful for stimulating iron avail-
Why not try some today?
ability.
For more information see: Péneau S et al (2008) Ameri-
can Journal of Clinical Nutrition. 87: pages 1298-1305.
Fibrex
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Correction The Ingredient Company Ltd. • FREEPOST ANG 3751, Peterborough, PE6 9BR
In May’s issue 34 of NHD in ‘Cinnamon and insulin
T: 01778 380088 • F: 01778 380052 • www.theingredient.co.uk
sensitivity’ (p7) we incorrectly reported a consumption
of 106 grams per day of cinnamon when the correct
figure was 1-6 grams per day.
NHDmag.com Aug/Sep ‘08 - issue 37 7
anisco CrossedGrain 93x119mm.in1 1 21/01/08 11:50:48
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