What's the difference between flour and starch?

Flour


Definition:

  • (n.) The finely ground meal of wheat, or of any other grain; especially, the finer part of meal separated by bolting; hence, the fine and soft powder of any substance; as, flour of emery; flour of mustard.
  • (v. t.) To grind and bolt; to convert into flour; as, to flour wheat.
  • (v. t.) To sprinkle with flour.

Example Sentences:

  • (1) The physical effects of chlorination as demonstrated by experiments with batters and cakes and by physicochemical observations of flour and its fractions are also considered.
  • (2) Basic foodstuffs, such as flour, sugar and edible oils, are heavily subsidised.
  • (3) Soybean proteins are widely used in human foods in a variety of forms, including infant formulas, flour, protein concentrates, protein isolates, soy sauces, textured soy fibers, and tofu.
  • (4) Nevertheless, the food conversion index of the chicks consuming the diet prepared with fish silage proved to be better that the conversion index of the diet prepared with fish and soy flours.
  • (5) Pancreatic growth was studied after partial resection of the normal-sized pancreas in rats fed heated soya flour (HSF) or the enlarged gland in rats fed raw soya flour (RSF).
  • (6) Similarly, changes were observed in the distribution of the apparent molecular weights of gliadins from heated flours by using gel electrophoresis (SDS-PAGE).
  • (7) In another experiment the effect of cooking-extrusion on lupine flour (L. albus) was investigated and the chemical composition, protein efficiency ratio, methionine supplementation and digestibility of the protein were measured.
  • (8) Specific anti-wheat, rye and barley flour IgE antibodies were found by RAST.
  • (9) Scoop some of the flour mixture over the top of each piece and press down with the back of your hand, making sure it's completely coated.
  • (10) Urinary and fecal estrogen excretion were studied in male rats fed a non-fiber wheat starch diet (dietary fiber less than 1%; NF group; n = 4), a low-fiber wheat flour diet (dietary fiber 2%; LF group; n = 4) or a high-fiber wheat bran diet (dietary fiber 11.6%; HF group; n = 3).
  • (11) It is concluded that vitamin-D deficiency in Asian immigrants could be substantially reduced by fortification of chupatty flour with vitamin D.
  • (12) It is possible that the reduction in this enzyme may be of some importance in determining the susceptibility of the pancreas to carcinogenesis observed with long term soy flour feeding.
  • (13) Under an abandoned flour mill and in a "howling, freezing" power station, he had "eaten sandwiches and coffee coated thick with dust".
  • (14) On the other hand, introduction of the mixed protein into a diet based on flour plus tuna sterilized at 115 degrees C for 90 minutes, was not capable of maintaining the optimum patterns for weight evolution.
  • (15) Of 1353 cereal samples, 11.7% contained the mycotoxin; of 1372 samples of feed, 1.5%; of 368 bread samples, 17.2%; of 215 flour samples, 22.3%; of 894 porcine serum samples, 37.4%; and of 1065 human serum samples, 7.2%.
  • (16) The above results indicate that proteases S1, S2, S3 and S4 from defatted soybean flour can be classified as acid proteases.
  • (17) Absurdly, the shops lack local staples – sugar, milk, flour – but are well stocked with subsidised imports such as single-malt whisky and Italian panettone.
  • (18) Rheological properties of flour and quality parameters of bread are changed to a greater or lesser extent, among other, by addition of free amino acids.
  • (19) When flours are heated below 80 degrees C the chromatograms showed no significant change.
  • (20) 3 children required hospitalization for intravenous therapy, but the rest responded well to the rice flour based ORS.

Starch


Definition:

  • (a.) Stiff; precise; rigid.
  • (n.) A widely diffused vegetable substance found especially in seeds, bulbs, and tubers, and extracted (as from potatoes, corn, rice, etc.) as a white, glistening, granular or powdery substance, without taste or smell, and giving a very peculiar creaking sound when rubbed between the fingers. It is used as a food, in the production of commercial grape sugar, for stiffening linen in laundries, in making paste, etc.
  • (n.) Fig.: A stiff, formal manner; formality.
  • (v. t.) To stiffen with starch.

Example Sentences:

  • (1) Glucose release from these samples was highly correlated with starch gelatinization (r2 = .99).
  • (2) It is suggested the participation of glycogen (starch) in the self-oscillatory mechanism of the futile cycle formed by the phosphofructokinase and fructose bisphosphatase reactions may give rise to oscillations with the period of 10(3)-10(4) min, which may serve as the basis for the cell clock.
  • (3) Tissue storage of hydroxyethyl starch (HES), a widely used artificial colloid, has been reported.
  • (4) Therefore, we changed from dextran 40 to hydroxyethyl starch in 1987 for the treatment of several otoneurological disorders.
  • (5) The present experiments examined flavor differences among starches.
  • (6) A small number of children with protracted diarrhoea, who have severe mucosal injury may not be able to handle even starch and may require diets based on short chain glucose polymers.
  • (7) Agarose gel electrophoresis demonstrated that the fast and slow components obtained on starch block electrophoresis corresponded to the pre-beta and late pre-beta band respectively.
  • (8) Dry matter and starch intakes were greater when corn was fed than when barley was fed.
  • (9) In a starch block, migration was toward the cathode at pH 8.0.
  • (10) Slowing starch digestion by inhibiting amylase activity in the intestinal lumen should improve postprandial carbohydrate tolerance in patients with diabetes mellitus.
  • (11) This study uses breath hydrogen analysis, a sensitive method for detecting the passage of starch into the colon, to determine if a potent amylase inhibitor is capable of producing carbohydrate malabsorption.
  • (12) Concentrates of amyloid substance derived from organs of 10 human patients representing a variety of clinical entities were characterized according to their amino acid compositions, their electrophoretic constituents mobile in urea-starch gel at pH 3 and their stability with respect to the binding of Congo red in the pH interval 9-12.5.
  • (13) The 13CO2 starch breath test is an attractive test for the study of factors affecting carbohydrate assimilation.
  • (14) Production of milk and milk fat was not affected, but yields of CP and SNF were decreased when additional starch was fed to cows.
  • (15) The effect of two doses (3 mg and 10 mg) of the inhibitor of pancreatic alpha-amylase trestatin on the metabolism of an oral load of 75 g of starch was observed in healthy human subjects.
  • (16) These were analyzed for: tannins, trypsin inhibitors, hemagglutinins (with cow, sheep, and human erythrocytes), damaged starch, available lysine, protein quality (by the NPR method), and true digestibility.
  • (17) Two-day-old poults were fed diets containing no added fat [44.6% starch, 2.2% ether extract by weight (HC)], 10% tallow (T), or 10% corn oil [(CO) 29.0% starch, 10.9% ether extract].
  • (18) We have examined under a variety of conditions the ability of potato starch phosphorylase to cause exchange of the ester and phosphoryl oxygens of alpha-D-glucopyranose 1-phosphate (Glc-1-P).
  • (19) In contrast, foci formed by 3-4 dysplastic crypts were decreased by the starch diet (P less than 0.05).
  • (20) Several experiments examined the preference of adult female rats for starch and starch-derived polysaccnarides using short- and long-term two-choice tests.