Search Results - "Otieno, D.O."

Endogenous β-glucosidase and β-galactosidase activities from selected probiotic micro-organisms and their role in isoflavone biotransformation in soymilk by Otieno, D.O, Shah, N.P

“…To compare endogenous β-glucosidases and β-galactosidases for hydrolysis of the predominant isoflavone glycosides into isoflavone aglycones in order to improve…”
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Stability of beta-glucosidase activity produced by bifidobacterium and Lactobacillus spp. in fermented soymilk during processing and storage by Otieno, D.O, Ashton, J.F, Shah, N.P

“…Microorganisms possess endogenous enzymes, however the stability of these enzymes during storage in soymilk has not been studied. beta-glucosidase is an…”
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Responses of Acacia tortilis and Acacia xanthophloea to seasonal changes in soil water availability in the savanna region of Kenya by Otieno, D.O., Schmidt, M.W.T., Kinyamario, J.I., Tenhunen, J.

“…Comparative field studies were conducted on Acacia tortilis (Forsk.) Hyne and Acacia xanthophloea Benth. trees growing in a semi-arid environment in Kibwezi,…”
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A comparison of changes in the transformation of isoflavones in soymilk using varying concentrations of exogenous and probiotic-derived endogenous ?-glucosidases by Otieno, D.O., Shah, N.P.

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Isoflavone phytoestrogen degradation in fermented soymilk with selected β-glucosidase producing L. acidophilus strains during storage at different temperatures by Otieno, D.O., Ashton, J.F., Shah, N.P.

“…Soymilk fermented with 3 selected Lactobacillus acidophilus strains were stored at various temperatures (− 80 °C, 4 °C, 25 °C and 37 °C) for 8 weeks and the…”
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CO2 exchange and biomass development of the herbaceous vegetation in the Portuguese montado ecosystem during spring by Hussain, M.Z., Otieno, D.O., Mirzae, H., Li, Y.L., Schmidt, M.W.T., Siebicke, L., Foken, T., Ribeiro, N.A., Pereira, J.S., Tenhunen, J.D.

“…Montado are spatially heterogeneous ecosystems that are economically important for the production of cork and herbaceous biomass that provide fodder for…”
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Herbaceous layer development during spring does not deplete soil nitrogen in the Portuguese montado by Otieno, D.O., Mirzaei, H., Hussain, M.Z., Li, Y.L., Schmidt, M.W.T., Wartinger, M., Jung, E., Ribeiro, N., Pereira, J.S., Tenhunen, J.

“…Nitrogen (N) content in the soil and in the herbaceous biomass were monitored during spring of 2004–2006 to determine how the herbaceous layer development…”
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The role of unregulated chicken marketing practices on the frequency of Newcastle disease outbreaks in Kenya by Ipara, B.O., Otieno, D.O., Nyikal, R.A., Makokha, S.N.

“…In developing countries, chicken trade is characterized by complex chains comprising of many actors with limited biosecurity. This increases the spread of…”
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Evaluation of enzymic potential for biotransformation of isoflavone phytoestrogen in soymilk by Bifidobacterium animalis, Lactobacillus acidophilus and Lactobacillus casei by Otieno, Daniel O., Ashton, John F., Shah, Nagendra P.

“…Three strains of Lactobacillus acidophilus, two of Lactobacillus casei and one of Bifidobacterium were screened for β-glucosidase activity using…”
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A comparison of changes in the transformation of isoflavones in soymilk using varying concentrations of exogenous and probiotic‐derived endogenous β‐glucosidases by Otieno, D.O., Shah, N.P.

“…Aims:  To compare endogenous and exogenous β‐glucosidases for the hydrolysis of the predominant isoflavone glucosides in soymilk in order to improve the…”
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Spatial heterogeneity in ecosystem structure and productivity in a moist Kenyan savanna by Otieno, D. O., K'Otuto, G. O., Jákli, B., Schröttle, P., Maina, J. N., Jung, E., Onyango, J. C.

“…Topographic variations and disturbances are key sources of spatial heterogeneity in the ecosystem and may influence its functioning, productivity, and carbon…”
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Afro-alpine dwarf shrub Helichrysum citrispinum favours understorey plants through microclimate amelioration by Schweiger, Andreas H, Otieno, Dennis O, Kulunge, Salum R, Reineking, Björn, Tenhunen, John

“…Background: Positive plant–plant interactions similar to specialised plant growth forms are potential strategies to overcome the environmental harshness of…”
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Seasonal Variations in Soil and Plant Water Status in a Quercus suber L. Stand: Roots as Determinants of Tree Productivity and Survival in the Mediterranean-type Ecosystem by Otieno, D.O, Kurz-Besson, C, Liu, J, Schmidt, M.W.T, Vale-Lobo do, R, David, T.S, Siegwolf, R, Pereira, J.S, Tenhunen, J.D

“…Studies were conducted to examine changes in soil (Ψs) and plant water status during summer in a 16-year old Quercus suber plantation in southern Portugal…”
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Physiological and morphological responses to water stress in two Acacia species from contrasting habitats by Otieno, D.O, Schmidt, M.W.T, Adiku, S, Tenhunen, J

“…Container-grown seedlings of Acacia tortilis Forsk. Hayne and A. xanthophloea Benth. were watered either every other day (well watered) or every 7 days…”
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Profiling and quantification of isoflavones in soymilk from soy protein isolate using extracted ion chromatography and positive ion fragmentation techniques by Otieno, Daniel O., Rose, Harry, Shah, Nagendra P.

“…Dietary supplements on soy based foods and beverages are increasingly gaining prominence all over the world. In this study, liquid chromatography coupled with…”
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Regulation of transpirational water loss in Quercus suber trees in a Mediterranean-type ecosystem by Otieno, D.O, Schmidt, M.W, Kurz-Besson, C, Lobo do Vale, R, Pereira, J.S, Tenhunen, J.D

“…Sap flux density in branches, leaf transpiration, stomatal conductance and leaf water potentials were measured in 16-year-old Quercus suber L. trees growing in…”
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Role of microbial strain and storage temperatures in the degradation of isoflavone phytoestrogens in fermented soymilk with selected β-glucosidase producing Lactobacillus casei strains by Otieno, Daniel O., Ashton, John F., Shah, Nagendra P.

“…Soymilk fermented with 2 Lactobacillus casei strains were stored at various temperatures (80 °C, 4 °C, 24.8 °C and 37 °C) for 8 weeks and isoflavone…”
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