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Effects of temperature stress on the accumulation of ascorbic acid and folates in sweet corn (Zea mays L.) seedlings.

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Extreme temperatures are among the primary abiotic stresses which affect plant growth and development. Ascorbic acid (AsA) is an efficient antioxidant for scavenging relative oxygen species accumulated under stress. Folates play a significant role in DNA synthesis and protect plants

Exogenous application of ascorbic acid mitigates cadmium toxicity and uptake in Maize (Zea mays L.).

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Cadmium (Cd) contamination in agricultural soils is a prevalent environmental issue and poses potential threats to food security. Foliar ascorbic acid might prove a potent tool to alleviate toxicity of Cd toxicity in maize. An experiment was conducted with objectives to study exogenous ascorbic

Antioxidant defense mechanism in hydroponically grown Zea mays seedlings under moderate lead stress.

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The present study was designed to study the process of stress adaptation in roots and shoot of Zea mays seedlings grown under hydroponic conditions during exposure to lead (Pb) (0-200 microM) for 1-7 d. The alterations in growth and in the level of various biochemical parameters were accessed

Phytoglobin expression influences soil flooding response of corn plants.

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OBJECTIVE Excess water is a limiting factor for crop productivity. Under conditions of full submergence or flooding, plants can experience prolonged oxygen depletion which compromises basic physiological and biochemical processes. Severe perturbations of the photosynthetic machinery with a

Effect of zinc-resistant Lysinibacillus species inoculation on growth, physiological properties, and zinc uptake in maize (Zea mays L.)

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Soil contamination by heavy metals is one of the major abiotic stresses that cause retarded plant growth and low productivity. Among the heavy metals, excessive accumulations of zinc (Zn) cause toxicity to plants. The toxicity caused by Zn could be managed by application of Zn-tolerant plant

Effect of metabolic inhibitors, methylxanthines, antioxidants, alkali metals, and corn oil on 1,2-dimethylhydrazine carcinogenicity in rats.

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The effect of the oral administration of 10 compounds on 1,2-dimethylhydrazine (DMH) carcinogenesis was investigated in 180 male Wistar rats and 510 male BD6 rats. DMH, administered s.c. once per week for 20 consecutive weeks (20 mg/kg body wt/dose), produced intestinal (mainly colon) tumors of

Protective role of ascorbic acid on subacute sperm toxicity in male New Zealand white rabbits treated with endosulfan.

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The ameliorating effect of oral ascorbic acid (AA) was evaluated against changes in sperm parameters in New Zealand White (NZW) rabbits treated with endosulfan. Rabbits (6 to 8 months old) were divided into four groups of six animals each. Rabbits in TRT-I served as control and received corn oil by

Methane protects against polyethylene glycol-induced osmotic stress in maize by improving sugar and ascorbic acid metabolism.

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Although aerobic methane (CH4) release from plants leads to an intense scientific and public controversy in the recent years, the potential functions of endogenous CH4 production in plants are still largely unknown. Here, we reported that polyethylene glycol (PEG)-induced osmotic stress

UDP glucuronosyltransferase gene expression is involved in the stimulation of ascorbic acid biosynthesis by xenobiotics in rats.

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Wistar-Shi (genotype +/+), heterozygous Gunn (j/+) and homozygous Gunn (j/j) rats was injected intraperitoneally with 3-methylcholanthrene (3MC) dissolved in corn oil. In rats of all genotypes the hepatic concentration of UDP glucuronosyltransferase (UDPGT) mRNA was increased at 48 and 96 h after

Role of ascorbic acid in auxin induced cell elongation--a cytochemical study.

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Cytochemical detection of ascorbic acid in cultured root tips of Zea mays shows that dividing cells accumulate ascorbic acid in the cytoplasm. The localization pattern alters in the root tip as the cells begin to elongate. In elongating cells ascorbic acid is distinctly localized on cell walls.

Identification of the medicinal off-flavor compound formed from ascorbic acid and (E)-hex-2-enal.

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A test apple beverage made up of apple juice (20%), high-fructose corn syrup (11.5%), citric acid (0.43%), trisodium citrate (0.02%), apple-odor flavor (0.1%), and ascorbic acid (0.02%) was stored at 40 °C and then analyzed for the change of odor in the beverage. Although no thermoacidophilic

Antioxidant properties of ascorbic acid in bulk oils at different relative humidity.

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The effects of relative humidity (RH) on the antioxidant properties of ascorbic acid (10, 20, 42, and 84ppm) were investigated in stripped corn oils stored at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids. The oxidative

Evaluation of oxidative stress tolerance in maize (Zea mays L.) seedlings in response to drought.

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Seedlings of selected six genotypes of maize (Zea mays L.) differing in their drought sensitivity (LM5 and Parkash drought-tolerant and PMH2, JH3459, Paras and LM14 as drought-sensitive) were exposed to 72 h drought stress at two leaf stage. Alterations in their antioxidant pools combined with

Role of antioxidant and anaerobic metabolism enzymes in providing tolerance to maize (Zea mays L.) seedlings against waterlogging.

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The present investigation was undertaken to identify the possible mode of mechanism that could provide tolerance to maize (Zea mays L.) seedlings under waterlogging. Using cup method, a number of maize genotypes were screened on the basis of survival of the seedlings kept under waterlogging. Two

Ameliorative effect of vitamins (alpha-tocopherol and ascorbic acid) on PCB (Aroclor 1254) induced oxidative stress in rat epididymal sperm.

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The aim of this study was to investigate the possible protective role of vitamins on PCB (Aroclor 1254)-induced spermiotoxicity using qualitative, quantitative and biochemical approaches. Adult male albino rats of Wistar strain were randomly divided into four groups, each group consists of six

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