Onion Allium cepa

Terahara, N., Yamagnchi, M.-A., and Honda, T., Malonylated anthocyanins from bulbs of red onion. Allium cepa L., Biosci. Biotechnol. Biochem., 58, 1324, 1994. 

Fossen, T. and Andersen, 0.M., Anthocyanins from red onion. Allium cepa, with novel aglycone. Phytochemistry, 62, 1217, 2003. 

Sengun, M.Y. and Karapinar, M. (2005a) Effectiveness of household natural sanitizers in the elimination of Salmonella Typhimurium on rocket (Eruca sativa Miller) and spring onion Allium cepa L.) . International Journal of Food Microbiology, 98, 319-323. 

Plants of the genus Allium, e.g. garlic Allium sativum), leek Allium amp-eloprasum), and onion Allium cepa), produce a bewildering variety of sulfur compounds. Selenium analogs for some of these have also been found (Section 11.1.3.6). Much work has focused on garlic (contains more than 100 such materials) and onion.56,66,67 Key compounds for formation of the Allium sulfur-containing secondary metabolites are sulfoxides of cysteine derivatives,... 

Yellow and red onions (Allium cepa) were reported to be poor antioxidants toward oxidation of methyl linoleate (Kahkonen and others 1999) in contrast to their high antioxidant activity toward oxidation of LDL (Vinson and others 1998). Garlic (Allium sativum L) was reported to have four times more antioxidant activity than onions when using the ORAC assay (Cao and others 1996). 

Duranti A, Cuocolo L (1988) Solarization in weed control for onion (Allium cepa L). Adv Hort Sci 2 104-108... 

The effect of applied plant residues can be positively influenced by an increase of temperature. Mallek et al. (2007) established that dried and milled crop residues of onion (Allium cepa L.) or garlic (A. sativum L.) were able to reduce seed germination of barnyard grass (E. crus-galli (L.) R Beauv.), common purslane (Portulaca oleracea L.), london rocket (Sisymbrium irio L.) during their decomposition in soil, but only at the elevated (39°C) soil temperature. It can support combination of methods for weed control, in this case allelopathy with soil heating treatments (e.g., solarization). 

The separation and identification of two novel anthocyanins from red onion, Allium cepa, have also been reported. Scales of 2.37 kg red onion were cut and extracted twice with methanol containing 0.5 per cent TFA. The extract was filtered, extracted with ethyl acetate and the aqueous phase was further purified in an ion-exchange and an SEC column. SEC separation was performed in a Sephadex LH-20 column (100 X 5 cm i.d.) applying methanol-water-TFA (39.6 60 0.4, v/v) as the mobile phase at a flow rate of 2.5 ml/min. 

Engle, R. L. Reaction of Onion, Allium cepa L., and Pinto Bean, Phaseolus vul-garb L., to Ozone. Ph.D. Thesis. Madison University of Wisconsin, 1966. 54 pp. 

Engle, R. L., and W. H. Gabelman. Inheritance and mechanism for resistance to ozone damage in onion. Allium cepa L. Proc. Amer. Soc. Hort. Sci. 89 423-430, 1966. 

Price, K.R., Bacon, J.R., and Rhodes, M.J.C., Effect of storage and domestic processing on the content and composition of flavonol glucosides in onion Allium cepa), J. Agric. Food Chem., 45, 938, 1997. 

Examination of moist, isolated potato cell walls using atomic force microscopy (AFM) showed the cellulose microfibrils as an interwoven network (Kirby et al., 1996,2006). Although accurate height measurements of cellulose microfibrils have not been obtained using AFM on potato cell walls, they have on similar parenchyma cell-wall preparations from onion (Allium cepa) and Arabidopsis thaliana (Davies and Harris, 2003). These studies showed that the microfibrils were 4-6 nm in diameter, and reduced to 3.2 nm (A. thaliana) when extracted to remove some of the non-cellulosic polysaccharides. 

Onion, Allium cepa spring vs. fall Leaf Root... 

Onion oil is obtained by steam distillation of the crushed bulbs of the common onion. Allium cepa L. It is an amber-yellow to amber liquid with a strongly pungent, lasting, characteristic onion odor. 

Onion Allium cepa L. Methylpropyl disulphide, dipropyl disulphide, propenylpropyl disulphide, 2-hexyl-5-methyl-3(2H)-furanone... 

The bulb of the onion (Allium cepa L.) can be eaten raw or cooked after boiling, roasting or frying. More than 140 volatile compounds have been identified in onions. The characteristic onion flavour develops when the cells are disrupted. 

Onion Allium cepa Dipropyl disulphide Callus, organs ND [65, 66]... 

Redgwell, R.J. and Selvendran, R.R. 1986. Structural features of cell-wall polysaccharides of onion Allium cepa. Carbohydr. Res. 157 183-199. 

Donner, H., Gao, L., and Mazza, G. 1997. Separation and characterization of simple and malony-lated anthocyanins in red onions, Allium cepa L. Food Res. Ini. 30 637-643. 

Onion (Allium cepa) and garlic (Allium sativum) exhibit ... 

Garlic (.Allium sativum) and onion (Allium cepa) are among the oldest of all cultivated plants and originated in central Asia. Garlic has been used as a spice, food, and folklore medicine for over 4000 years and is the most widely researched medicinal plant (see Ali et al., 2000). 

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