11.07.2015 Views

Benders'dictionary of nutrition and food technology

Benders'dictionary of nutrition and food technology

Benders'dictionary of nutrition and food technology

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

68After a meal the concentration <strong>of</strong> glucose rises, but this rise islimited by the hormone insulin, which is secreted by the pancreasto stimulate the uptake <strong>of</strong> glucose into tissues. diabetesmellitus is the result <strong>of</strong> failure <strong>of</strong> the insulin mechanism.See also glucose tolerance test.bloom Fat bloom is the whitish appearance on the surface <strong>of</strong>chocolate which sometimes occurs on storage. It is due either toa change in the form <strong>of</strong> the fat at the surface or to fat diffusingoutwards <strong>and</strong> being deposited as crystals on the surface. Sugarbloom is due to the deposition <strong>of</strong> sugar crystals on the surface,but is less common than fat bloom.See also tempering.Bloom gelometer An instrument for measuring the strength <strong>of</strong>jellies, <strong>and</strong> also for any test <strong>of</strong> firmness, e.g. the staleness <strong>of</strong> bread.blotting A series <strong>of</strong> techniques involving the transfer <strong>of</strong> DNA,RNA or protein after gel electrophoresis onto an inert nitrocellulosemembrane, under denaturing conditions, so that itremains bound to the membrane. Southern blotting uses fragments<strong>of</strong> DNA produced using restriction enzymes, <strong>and</strong> theyare identified by annealing with radioactive cDNA. Northernblotting is essentially similar, for identification <strong>of</strong> RNA fragments.Western blotting is for proteins, which are identified usinglabelled antibodies.blueberry Fruit <strong>of</strong> Vaccinium corymbosum (the high-bush blueberry)or V. augustifolium (low-bush blueberry) grown mainly inN America.Composition/100 g: (edible portion 98%) water 84.2 g, 239 kJ(57 kcal), protein 0.7 g, fat 0.3 g, carbohydrate 14.5 g (10 g sugars),fibre 2.4g, ash 0.2g, Ca 6mg, Fe 0.3mg, Mg 6mg, P 12mg, K 77mg,Na 1mg, Zn 0.2mg, Cu 0.1mg, Mn 0.3mg, Se 0.1µg, vitamin A 3µgRE (112µg carotenoids), E 0.6 mg, K 19.3 mg, B 1 0.04 mg, B 20.04 mg, niacin 0.4 mg, B 6 0.05 mg, folate 6 µg, pantothenate0.1 mg, C 10 mg.A 110 g serving is a source <strong>of</strong> Mn, vitamin C.BMI See body mass index.BMNES British Meat Nutrition Education Service; web sitehttp://www.meat<strong>and</strong>health.co.uk/.BMR See basal metabolic rate.BNF British Nutrition Foundation; web site http://www.<strong>nutrition</strong>.org.uk/.boar, wild Meat <strong>of</strong> Sus scr<strong>of</strong>a. Hunted in parts <strong>of</strong> Europe, farmedon small scale in UK <strong>and</strong> elsewhere.Composition/100 g: water 72 g, 511 kJ (122 kcal), protein 21.5 g,fat 3.3 g (<strong>of</strong> which 36% saturated, 46% mono-unsaturated, 18%polyunsaturated), carbohydrate 0 g, ash 1 g, Ca 12 mg, P 120 mg,Se 9.8µg, vitamin B 1 0.39 mg, B 2 0.11 mg, niacin 4 mg. A 100 g

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!