(n.) A thickening of the epidermis at some point, esp. on the toes, by friction or pressure. It is usually painful and troublesome.
(n.) A single seed of certain plants, as wheat, rye, barley, and maize; a grain.
(n.) The various farinaceous grains of the cereal grasses used for food, as wheat, rye, barley, maize, oats.
(n.) The plants which produce corn, when growing in the field; the stalks and ears, or the stalks, ears, and seeds, after reaping and before thrashing.
(n.) A small, hard particle; a grain.
(v. t.) To preserve and season with salt in grains; to sprinkle with salt; to cure by salting; now, specifically, to salt slightly in brine or otherwise; as, to corn beef; to corn a tongue.
(v. t.) To form into small grains; to granulate; as, to corn gunpowder.
(v. t.) To feed with corn or (in Sctland) oats; as, to corn horses.
(v. t.) To render intoxicated; as, ale strong enough to corn one.
Example Sentences:
(1) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
(2) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
(3) Dry matter and starch intakes were greater when corn was fed than when barley was fed.
(4) Development of folate deficiency was evaluated in young chicks fed diets containing corn and soybean meal as major constituents.
(5) Changes in haemolymph juvenile hormone (JH) concentrations of larvae of the southwestern corn borer, Diatraea grandiosella, were used to estimate the activity of the corpora allata.
(6) In Experiment 1, chicks 24 days old were fed mixtures of untreated and inoculated corn containing citrinin to provide 0, 50, 100, 150, 200, and 250 micrograms of the toxin per gram of blended corn.
(7) Mice administered chloroform in corn oil displayed a significant degree of diffuse parenchymal degeneration (5 of 10 males and 1 of 10 females) and mild to moderate early cirrhosis (5 of 10 males and 9 of 10 females); significant pathological lesions were not observed in the animals administered corn oil without chloroform nor in mice receiving chloroform in 2% Emulphor.
(8) Ammoniation of corn, peanuts, cottonseed, and meals to alter the toxic and carcinogenic effects of aflatoxin contamination has been the subject of intense research effort by scientists in various government agencies and universities, both in the United States and abroad.
(9) It was found that ammoniation inactivated the aflatoxins and reduced the carcinogenicity of the contaminated corn to a level that was not significantly different from that with the basal control diet.
(10) Ribosome-inactivating proteins were found in high amounts in one line of cells of Phytolacca americana (pokeweed) cultured in vitro and, in less quantity, in lines of Saponaria officinalis (soapwort) and of Zea mays (corn) cells.
(11) 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].
(12) Free fatty acids from both coconut and corn oils reduced diet palatability and intake; those from tallow and coconut oil markedly interfered (in vitro) with rennet clotting of milk replacers.
(13) They dealt in dozens of different commodities – from major grains such as wheat and sorghum to specialised food aid products such as corn-soy blend.
(14) Rats fed tryptophan-poor corn diets have reduced levels of brain serotonin and show increased responsiveness to electric shock.
(15) Percent apparent digestibilities for DM, NDF, and N for corn and corn-sunflower were similar and greater than for sunflower: DM (69.6, 68.2, 57.4); NDF (68.1, 61.5, 51.6); and N (66.3, 66.5, 63.6).
(16) Compared to fiber-free, feeding corn bran increased binding in the duodenum 30% and ileum 50% but decreased binding in the jejunum 44%, and feeding guar gum increased binding in the colon 73% but decreased binding in the jejunum 40%.
(17) Corn oil feeding decreased the transcriptional rate.
(18) Rats whose diet was restricted in calories by 40% exhibited no mammary tumors (coconut oil as primary dietary fat) or 75% fewer tumors (corn oil as dietary fat) compared to ad libitum-fed controls; they also exhibited 47% fewer colonic tumors.
(19) Anthracene, chrysene, benzo(e)pyrene and perylene did not significantly suppress the antibody-forming cell response compared to the corn oil vehicle controls.
(20) Acarbose significantly reduced the satiety effect of corn starch in lean rats (p less than 0.001), and further attenuated satiety in obese rats (p less than 0.02).
Zein
Definition:
(n.) A nitrogenous substance of the nature of gluten, obtained from the seeds of Indian corn (Zea) as a soft, yellowish, amorphous substance.
Example Sentences:
(1) We have found that the o2-676 mutant protein does not show specific recognition of zein promoter fragments because of the substitution of a lysine residue for an arginine residue within the bZIP domain of o2-676.
(2) The zein mRNA sedimented as a homogeneous peak on sucrose gradients and contained a poly(A)-rich region based upon hybridization to [3H]poly(U).
(3) The changes in the quantity of protein and energy consumed by the rats, which were brought about by the addition of the essential limiting amino acids and groups of essential amino acids to gluten, casein, and zein, were not linearly related to alterations in the total plasma amino acid concentrations or to the accumulation of the added amino acids in the blood plasma.
(4) A 216 bp promoter fragment of the 19 kDa protein zein gene pMS1, containing the CCAAT and TATA boxes, was analysed by a variety of techniques for in vitro interactions with nuclear proteins from endosperm tissue.
(5) Beta zein exists in an aggregated state (dimer and higher forms) in dimethylformamide.
(6) A laboratory procedure for isolation and purification of zein from grains of 4 varieties of Maize was described.
(7) Serum antibodies from the maize-fed mice, immunized with either alpha-zein or maize glutelin, showed even labelling of the major maize endosperm proteins while antibodies from mice on the wheat diet showed strong labelling of the Mr 27,000 and 58,000 bands.
(8) The results suggested that the repression effect of the three mutations on zein accumulation may be mediated by the alteration of a zein transport or zein assembly process involving b-70I and b-70II.
(9) We found that zein is fairly stable in yeast cells and the increased accumulation of zein polypeptide depends mainly upon a marked increase of its rate of synthesis.
(10) Ultrastructural studies showed that gamma-zein occurs in high concentrations in the first few subaleurone cells of nonmodified endosperms, but high concentrations of gamma-zein occur in the subaleurone and central endosperm cells of modified opaque-2 mutants.
(11) This suggests that the O2 protein affects zein transcription through direct interaction with one or more zein promoter elements.
(12) In one system, the Ti plasmid was used to introduce the modified zein genes into the sunflower genome.
(13) Adult male rats were maintained on normal (20% casein), protein-free (0% casein), high protein (50% casein), decicient protein (20% zein), and a supplemented, deficient protein (20% zein plus L-lysine and L-tryptophan) diets.
(14) The signal sequence region of the 13 kDa prolamin, however, shows homology of more than 65% in both the nucleotide sequence and the amino acid sequence with rice 10 kDa prolamin and maize zein.
(15) 12 electrophoretic and 5-7 chromatographic fractions are found in zein, their molecular weight being 40000-280000 daltons.
(16) Based on in vitro binding assays, the greatest concentration of the beta-1 in endosperm nuclei is at 16 days after pollination, which coincides with the time of highest transcriptional activity of the beta-zein gene.
(17) The Mr 15,000 zein contains no repetitive nucleotide sequences and shows no homology with genes encoding the Mr 22,000 and 19,000 zeins.
(18) Protein-depleted rats, in the first half hour of a test, chose a significantly larger proportion of soybean, gluten, zein, fibrin, yeast torula and ovalbumin than protein replete controls, but not of casein or lactalbumin.
(19) Comparison of restriction patterns of genomic maize DNA digested with enzymes MboI and Sau3A enabled us to detect the existence of adenine methylation in zein genes.
(20) A methionine-rich 10 kDa zein storage protein from maize was isolated and the sequence of the N-terminal 30 amino acids was determined.