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Sustainable Tourism, the Environment and National Economic Development
Olomo Jerome Abiola MBA M,Sc 세계문화관광학회 2010 Conference Proceedings Vol.11 No.0
Sustainable tourism is very vital in influencing the development of any economy universally. Tourism sector of the economy seldom constitute an integral part of the nation with an impact on the environment. Tourism is a pivot to wealth creation with a cognizance to the carrying capacity of visitors in various designated tourism, characteristic components of tourism sustainable, relativity of element of economic elements with sustainability, carrying capacity at various levels, tourism development and sustainability, the involvement of the private and public sector in the economy etc. The objectives of the research paper were analysed; methodology applied briefly explained; relevant conclusion were drawn. The methodology used in the research paper include questionnaire applied to respondents in the selected field of study.
Gregor Reid,PhD,MBA 한국식품영양과학회 2001 한국식품영양과학회 학술대회발표집 Vol.50 No.-
The ability of microbial strains to confer health benefits to human and animal hosts is not a feature of many organisms. Lactic acid bacteria are the most commonly used bacteria applied as probiotics and there is now strong evidence that certain strains confer tangible benefits to the host. In terms of preventing infection, the ability of probiotic lactobacilli to colonize the tissue site, even temporarily, and inhibit growth and adhesion of pathogens, has been documented. Using molecular tools, such as RAPD and DGGE, probiotic organisms can be tracked through the intestine and in the vagina, and their impact on the flora assessed. Arguably, strains L. rhamnosus GG and GR-1 are the most studied probiotic strains in terms of human application to the gut (GG and GR-1) and vagina (GR-1). Combined with L. fermentum RC-14, GR-1 provides a two-pronged therapeutic for the intestine and urogenital tract. Care in manufacturing and distribution is essential to ensure that optimal doses of probiotics are accessible to consumers and patients.
A Powerful Chiral Counterion Strategy for Asymmetric Transition Metal Catalysis
Hamilton, G. L.,Kang, E. J.,Mba, M.,Toste, F. D. American Association for the Advancement of Scienc 2007 Science Vol.317 No.5837
<P>Traditionally, transition metal-catalyzed enantioselective transformations rely on chiral ligands tightly bound to the metal to induce asymmetric product distributions. Here we report high enantioselectivities conferred by a chiral counterion in a metal-catalyzed reaction. Two different transformations catalyzed by cationic gold(I) complexes generated products in 90 to 99% enantiomeric excess with the use of chiral binaphthol-derived phosphate anions. Furthermore, we show that the chiral counterion can be combined additively with chiral ligands to enable an asymmetric transformation that cannot be achieved by either method alone. This concept of relaying chiral information via an ion pair should be applicable to a vast number of metal-mediated processes.</P>
Yousseu Nana William,Ateufack Gilbert,Abdul Jabbar Shah,Mbiantcha Marius,Tchoumba Tchoumi Liliane Mireille,Matah Mba Marthe Vanessa,Adjouzem Carine Flore,Teboukeu Boungo Gires,Awouafack Maurice Ducret 경희대학교 융합한의과학연구소 2019 Oriental Pharmacy and Experimental Medicine Vol.19 No.4
Distemonanthus benthamianus is used in Cameroon to treat diarrhoeal episodes. The study aimed to evaluate its antidiarrhoeal potential in Wistar rats and BALB/c mice. Extracts were preliminary investigated for phytochemical components, total phenols quantifcation and DPPH scavenging activity. Their efects were also evaluated against castor oil-induced diarrhoea, prostaglandin-E1-induced fuid accumulation, charcoal meal motility test, as well as against magnesium sulphateinduced diarrhoea and electrolytes regulation. The methanolic extract contains alkaloids, favonoids, polyphenols, saponins, sterols, tannins and triterpenes while aqueous extract was devoid of sterols and triterpenes. Phenolic compounds were more concentrated in methanolic extract, which also developed signifcant DPPH scavenging efects. In castor oil-induced diarrhoea, signifcant (p<0.001) reduction in diarrhoeal stools frequency was observed with 100, 200 and 300 mg/kg of aqueous extract, while 400 mg/kg of methanolic extract exhibited maximum efect. Total stools frequency was signifcantly (p<0.001) reduced with doses of 300 and 400 mg/kg of extracts. Maximum protection was obtained with 400 mg/kg of both extracts in magnesium sulphate-induced diarrhoea. That dose signifcantly (p<0.001) reduced Na+ excretion, while Ca2+ excretion was signifcantly (p<0.001) increased with 100 mg/kg of aqueous extract. Both extracts signifcantly (p<0.01, p<0.001) reduced the intestinal fuids mass and volume similarly compared to the negative control groups. The gut motility was signifcantly (p<0.001) reduced with 100 and 200 mg/kg of methanolic and aqueous extracts, respectively. Extracts are therefore antidiarrhoeal remedies candidates, since they provoked a decrease in intestinal motility, associated with fuid and electrolytes regulation across the gut.
Mbiantcha Marius,Djami Marcelle Bejoutance,Ateufack Gilbert,Atsamo Donatien Albert,Tsafack Gonzal Eric,Yousseu William Nana,Djuichou Flore Stéphanie Nguemnang,Matah Vanessa Marthe Mba,Kenmogne Liliane 경희대학교 융합한의과학연구소 2020 Oriental Pharmacy and Experimental Medicine Vol.20 No.2
Nauclea diderrichii, is a common woody plant in Africa where it is traditionally used for the relief and treatment of multiple pain-related conditions. The aim was to evaluate the inflammatory and anti-arthritic properties of the aqueous extract of N. diderrichii stem bark. Carrageenan and formalin were used to induce inflammation while zymosan A was used to induce monoarthritis in rats. The extract was given orally at doses of 100, 200 and 400 mg/kg. The extract significantly reduced carrageenan-induced edema up to 6 h, with 61.94% (6th hour). The extract induces a significant inhibition of the formalin-induced edema from the 2nd to the 8th hour with 61.50% (2nd hour). In continuous treatment, the activity of the extract remains significant from the 2nd to the 10th day of treatment with 63.85% (9th day). The extract (400 mg/kg) induces a significant decrease of the organ weight while the body weight increases significantly. At 400 mg/kg, the extract significantly increases the levels of red blood cells, hemoglobin and proteins, as well as the catalase and SOD activities, then a significant decrease of the levels of white blood cells, lymphocytes, hematocrit, MDA and NO. Furthermore, the extract significantly inhibited zymosan A-induced edema from the 1st to the 5th day with 60.99% (5th day). The joints of the treated animals show a close to normal architecture compared to that of the untreated animals. These results demonstrate the anti-inflammatory and anti-arthritic properties of N. diderrichii and confirm its traditional use to relieve pain and inflammation.