Enrichment of Oat Antioxidant Activity by Dry Milling and Sieving

Gray, David A.; Auerbach, Rita; Hill, Sandra E.; Wang, R.; Campbell, Grant M.; Webb, Colin; South, J.B.

doi:10.1006/jcrs.2000.0318

Cited by 55 publications

(21 citation statements)

References 8 publications

(2 reference statements)

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“…Oat is an annual plant and can be planted either in autumn (for late summer harvest) or in the spring (for early autumn harvest). Its consumption is believed to lower low density lipoprotein (bad cholesterol) and it contains a wide range of functional ingredients having antioxidant property which are mostly concentrated in different parts of the kernel (Gray et al 2000, Peterson 2001). Oat grain is a good source of quality protein, unsaturated fatty acids, minerals and vitamins, phenolic compounds as well as dietary fiber especially β-glucans (Drzikova et al 2005;Sun et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Potassium induces positive changes in nitrogen metabolism and antioxidant system of oat (Avena sativaL cultivar Kent)

Ahanger

Agarwal

Tomar

et al. 2015

Journal of Plant Interactions

107

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Potassium is actively involved in many functions such as enzyme activation, osmotic adjustment and uptake of deleterious ions like Na. Present report analyses the effectivity of different potassium salts on growth and certain components of nitrogen metabolism and antioxidant system in oat and their possible role in amelioration of water stress. Potassium induced enhancement in the activities of nitrate reductase and aminotransferases was evident indicating a positive role of potassium in nitrogen metabolism. Potassium supplementation enhanced activities of antioxidant enzymes (superoxide dismutase, catalase and ascorbate peroxidase) and contents of total phenols and tannins, probably strengthening both the enzymatic as well as non enzymatic antioxidant system. Free amino acids, proline and free sugars also exhibited the same trend in treated plants ensuring better plant growth.

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Section: Introductionmentioning

confidence: 99%

Potassium induces positive changes in nitrogen metabolism and antioxidant system of oat (Avena sativaL cultivar Kent)

Ahanger

Agarwal

Tomar

et al. 2015

Journal of Plant Interactions

107

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“…Quinoa has a relatively high quantity of vitamins and minerals, iron and calcium (Risi & Galwey, 1984); moreover, quinoa seed oil has a similar composition in fatty acids to soybean oil (Wood, Lawson, Fairbanks, Robison, & Andersen, 1993) and are particularly rich in linoleate and linolenate (Koziol, 1990b). Oat has recently attracted research and commercial attention mainly due to its nutritional value (Gray et al, 2000;Peterson, Emmons, & Hibbs, 2001). Oat is well accepted in human nutrition and it is an excellent source of different b-glucan, arabinoxylans and cellulose.…”

Section: Introductionmentioning

confidence: 99%

Properties of quinoa and oat spaghetti loaded with carboxymethylcellulose sodium salt and pregelatinized starch as structuring agents

Chillo

Civica

Iannetti

et al. 2009

Carbohydrate Polymers

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“…Phosphorus in solid samples was analyzed by the molybdovanadophosphoric acid colorimetric method Kitson and Mellon, 1944, whereas in liquid samples it was analyzed by the method described by Herbert et al (1971). The acid hydrolysis method described by Gray et al (2000) was employed for determination of the starch content in the original flour. Total nitrogen in solid and liquid samples, expressed as total Kjeldahl nitrogen (TKN), was measured by the Nessler spectrophotometric method (Berigari, 1975).…”

Section: Methodsmentioning

confidence: 99%

Restructuring upstream bioprocessing: technological and economical aspects for production of a generic microbial feedstock from wheat

Koutinas

Wang

Webb

2004

Biotech & Bioengineering

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Restructuring and optimization of the conventional fermentation industry for fuel and chemical production is necessary to replace petrochemical production routes. Guided by this concept, a novel biorefinery process has been developed as an alternative to conventional upstream processing routes, leading to the production of a generic fermentation feedstock from wheat. The robustness of Aspergillus awamori as enzyme producer is exploited in a continuous fungal fermentation on whole wheat flour. Vital gluten is extracted as an added-value byproduct by the conventional Martin process from a fraction of the overall wheat used. Enzymatic hydrolysis of gluten-free flour by the enzyme complex produced by A. awamori during fermentation produces a liquid stream rich in glucose (320 g/L). Autolysis of fungal cells produces a micronutrient-rich solution similar to yeast extract (1.6 g/L nitrogen, 0.5 g/L phosphorus). The case-specific combination of these two liquid streams can provide a nutrient-complete fermentation medium for a spectrum of microbial bioconversions for the production of such chemicals as organic acids, amino acids, bioethanol, glycerol, solvents, and microbial biodegradable plastics. Preliminary economic analysis has shown that the operating cost required to produce the feedstock is dependent on the plant capacity, cereal market price, presence and market value of added-value byproducts, labor costs, and mode of processing (batch or continuous). Integration of this process in an existing fermentation plant could lead to the production of a generic feedstock at an operating cost lower than the market price of glucose syrup (90% to 99% glucose) in the EU, provided that the plant capacity exceeds 410 m(3)/day. Further process improvements are also suggested.

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Enrichment of Oat Antioxidant Activity by Dry Milling and Sieving

Cited by 55 publications

References 8 publications

Potassium induces positive changes in nitrogen metabolism and antioxidant system of oat (Avena sativaL cultivar Kent)

Potassium induces positive changes in nitrogen metabolism and antioxidant system of oat (Avena sativaL cultivar Kent)

Properties of quinoa and oat spaghetti loaded with carboxymethylcellulose sodium salt and pregelatinized starch as structuring agents

Restructuring upstream bioprocessing: technological and economical aspects for production of a generic microbial feedstock from wheat

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