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    Wyświetlanie 1-7 z 7
    Tytuł:
    Production of Adhesive from Cassava Starch in Owerri, Imo State, Nigeria
    Autorzy:
    Chukwuemeka, Ihenetu Stanley
    Ugochukwu, Igbokwe Winner
    Powiązania:
    https://bibliotekanauki.pl/articles/1114031.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Adhesive
    Cassava
    Starch
    Opis:
    In this work, the potentials of adhesives production from cassava starch were investigated. An adhesive product produced from Manihot utilissima was compared with a commercially available adhesive. Improvements in the properties of the cassava-based adhesive were achieved by investigating the effects of temperature and the addition of a viscosity enhancer/stabilizer (borax) on the density of the produced adhesive. The results obtained provide a wide range of insight into the production potentials of using cassava starch as a raw material in the production of large scale adhesives.
    Źródło:
    World News of Natural Sciences; 2017, 11; 5-10
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physicochemical and microbiological analysis of canned and bottled fruit juices sold in Owerri Metropolis
    Autorzy:
    Chukwuemeka, Ihenetu Stanley
    Chukwuebuka, Ihenetu Francis
    Powiązania:
    https://bibliotekanauki.pl/articles/1113692.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    bottled fruit juices
    canned fruit juices
    microbiological analysis
    physiochemical analysis
    Opis:
    This study was designed to investigate the physiochemical and microbiological analysis of canned and bottled fruit juices sold in Owerri metropolis. The samples were subjected to standard microbiological analysis and physiochemical parameters. The titratable acidity of the fruit juice samples ranged from 0.15% to 0.31%, while the ash content of all the samples varied from 0.32% to 0.63%. The total solid of all the samples was from 4.10% to 12.25%. The moisture content of the samples ranged from 2.32% to 4.81% and the pH was from 3.0 to 4.01. The total bacteria count (CFU/ml) of all the fruit juice samples showed to be from 1.1×102 to 4.1×102. Finally, the total fungi count (CFU/ml) varied from 0.0×102 to 1.2×102. Bacteria isolates from the samples includes Bacillus sp. (34.7%), followed by Enterococcus sp. (17.3%), Aspergillus sp. (21.7%) and Lactobacillus sp. (26.0%). Fungi isolates were identified as Penicillum sp. and Saccharomyces sp. The Standard Organization of Nigeria and NAFDAC should define more specifically the quality control standards of locally manufactured commercial juices, stating clearly the minimum and tolerable numbers and types of microorganisms.
    Źródło:
    World News of Natural Sciences; 2017, 14; 97-105
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Assessment Models for Health Risk and Pollution from Surface Water from Okumpi River in Nwangele, Imo State, Nigeria
    Autorzy:
    Chukwuemeka, Ihenetu Stanley
    Obinna, Njoku Victor
    Chizoruo, Ibe Francis
    Powiązania:
    https://bibliotekanauki.pl/articles/1840785.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Environment
    Health
    Heavy-metal
    Metals
    Water
    Opis:
    The mean and standard deviation of pH value in the present study during the wet and dry seasons varied from 6.21±0.22 - 5.75±0.41. The mean and standard deviation of EC in the current study ranges between 219.15±12.20 - 193.30±14.81 μS/cm for wet and dry seasons which are found to be in line with the WHO standard used. The mean and standard deviation of DO for this study during the wet and dry seasons were found to be 10.03±0.58 - 6.47±0.41 (mg/L). TDS for wet and dry seasons ranges from 374.79 ±5.33 - 121.65 ±6.33 mg/L. The nitrate [9.05 ±1.08 - 8.09 ±1.57], sulphate [3.91 ±0.51 – 3.73 ±0.46] and phosphate [82.78 ±3.86 - 81.76±3.32] in this present study for wet and dry season were all found to be below the standard. The Hazard quotient via ingestion and Hazard quotient via dermal has a reduction in the order of lead > nickel > iron > manganese > copper > zinc and lead > zinc > nickel > copper > iron > manganese > cadmium, in cooperation in children and adults in wet season, correspondingly. The Hazard quotient via ingestion and Hazard quotient via dermal has a decrease in the following order of nickel > lead > manganese > copper > iron > zinc and lead >zinc > nickel > copper > manganese > iron > for both children and adults in dry season, respectively. Lead possess carcinogenic risk for the inhabitants of this area due to the value of the carcinogenic risk n wet season of 4.05E-4 in adult and 1.55E-3 in children, in dry season of 2.57E-4 in adult and 9.88E-4 in children, against the standard set by the USEPA of 10-6 – 10-4. The surface water is not suitable for drinking as seen by the high water quality index of > 300. Lead possess carcinogenic risk for the inhabitants.
    Źródło:
    World News of Natural Sciences; 2021, 38; 20-36
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antibacterial properties of probiotics bacterial isolated from human breast milk
    Autorzy:
    Blessing, Ekeoma Nmesoma
    Chukwuemeka, Ihenetu Stanley
    Ukeachu, Chigozie David
    Onuawuchi, Ubah Gerald
    Powiązania:
    https://bibliotekanauki.pl/articles/1031801.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Enterococcus faecalis
    Enterococcus faecium
    L. acidophilus
    L. casei
    L. fermentum
    L. plantarum
    L. rhamnosus
    breast milk
    human breast milk
    micro-organism
    probiotic
    Opis:
    This research work assessed the antibacterial properties of probiotic bacterial which was isolated from breast milk. The breast milk has a distinct amalgamation of minerals, proteins, lipids, carbohydrates and various vitamins that endorse the proper development, growth and immunity of the children. That’s the reason behind it’s consideration to be a comprehensive and inclusive food for new born babies. Furthermore, it is also abundant in various bioactive compounds which encourage the maturation of the immune system over and above develop body’s defense against infections. This research used a standard methodology to isolate the bacterial. In the midst of these bioactive agents, probiotic bacteria were properly isolated from human milk in this research work by means of selective MRS media. Five Lactobacillus spp. were isolated from every one of the three breast milk samples and two Enterococcus species, were observed as potential probiotics, and identified using morphological and biochemical tests which includes L. rhamnosus, L. plantarum, L. casei, L. fermentum, L. acidophilus, En. faecalis and En. faecium. The isolated bacteria were facultative anaerobic, catalase negative, gram positive and non-endospore forming. Sugar fermentation arrangements of equally isolated bacteria also significantly different. The adding up of breast milk probiotics to children formulas possibly will be an innovative substitute to mimic some of the purposeful consequences of human milk in children who are not breastfed.
    Źródło:
    World News of Natural Sciences; 2020, 29, 3; 290-297
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative study of the properties of yellow and brown Cyperus esculentus L.
    Autorzy:
    Ihenetu, Stanley Chukwuemeka
    Ibe, Francis Chizoruo
    Inyamah, Prisca Chigozie
    Powiązania:
    https://bibliotekanauki.pl/articles/1031463.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Mineral content
    medicinal value
    nutritive value
    phytochemicals
    yellow and brown tiger nuts
    Opis:
    The present research accounts for the physicochemical and phytochemical characteristics of yellow and brown Cyperus esculentus, which were subjected to standard chemical and biochemical analysis. The results obtained from the analysis of yellow tiger nut showed the following phytochemical properties: anthocyanin 0.82 ± 0.02 µg/ml, oxalate 1.43 ± 0.05 µg/ml, tannin 12.22 ± 0.10 µg/ml, rutin 39.19 ± 0.29 µg/ml, phenol 10.94 ± 0.05 µg/ml, lunamarine 38.99 ± 0.07 µg/ml, saponin 44.67 ± 0.15 µg/ml, ribalinidine 1.35 ± 0.03 µg/ml, phytate 0.33 ± 0.01 µg/ml, catechin 48.29 ± 0.04 µg/ml, and kaempferol 38.59 ± 0.02 µg/ml. The brown tiger nut showed the presence of the phytochemicals with values as: anthocyanin 0.01 ± 0.00 µg/ml, oxalate 2.66 ± 0.02 µg/ml, tannin 12.67 ± 0.04 µg/ml, rutin 43.99 ± 0.05 µg/ml, phenol 11.02 ± 0.10 µg/ml, lunamarine 39.66 ± 0.03 µg/ml, saponin 47.79 ± .06 µg/ml, ribalinidine 1.21 ± 0.04 µg/ml, phytate 0.28 ± 0.03 µg/ml, catechin 46.77 ± 0.05 µg/ml, and kaempferol 38.34 ± 0.15 µg/ml. The observed level of mineral elements in the tiger nut is in the increasing order of zinc > sodium > iron > copper > calcium > magnesium > potassium for yellow tiger nut, and for brown tiger nut the order is zinc > sodium > iron > copper > calcium > magnesium > potassium. The values of physical and chemical properties recorded for yellow tiger nut is in the increasing order of moisture > ash content > crude protein > crude fiber > crude fat > carbohydrate, the increasing order for brown tiger nut shows ash content > moisture > crude protein > crude fiber > crude fat > carbohydrate. This indicates that tiger nuts contain elevated carbohydrate levels, crude fat and protein. From the data obtained, the high potassium to low sodium ratio of the two species of tiger nuts consequently might be imperative in diet recommendations for patients with high blood pressure (high BP) and edema as well. The investigated tiger nut varieties are rich sources of the phytochemicals, oil and contain moderate amounts of protein. They are also rich sources of fiber and carbohydrates. The phytochemical constituents of the tiger nuts are important and could be of high commercial significance in both, research institutes and pharmaceuticals companies for manufacturing of new drugs and for therapeutic applications.
    Źródło:
    World News of Natural Sciences; 2021, 35; 25-37
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microorganism Associated with Cassava Fermentation for Abacha Product Sold in Owerri, Imo State
    Autorzy:
    Ihenetu, Francis Chukwuebuka
    Ihenetu, Stanley Chukwuemeka
    Ohalete, Chinyere N.
    Njoku-Obi, Treasure Njideka
    Okereke, Bright Chinemerem
    Powiązania:
    https://bibliotekanauki.pl/articles/1113923.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Abacha
    Bacteria and fermentation
    Cassava
    Fermentation
    Microorganism
    Opis:
    The microorganism associated with cassava fermentation for producing Abacha was investigated using four different Farms in Owerri (Obinze, Umugwuma, Urata and Orji) as sample collection areas. Four of the cassava tubers that harvested, were washed, cooked and soaked with water after cutting to produce Abacha, which was then fermented using standard microbiological methods. The wastewater was subsequently sampled. All the samples A, B, C, and D showed significant bacteria growth after application of NA, MRS, PDA. In the study, six bacteria and fungi isolates were identified: Escherichia coli, Staphylococcus aureus, Lactobacillus spp, Candida spp., Aspergillus spp. and Bacillus spp. Results showed that the total heterotrophic bacteria count of the sample varies within 8.0×1010 to 2.5×1012 and total fungi count (TFC) ranges from 6.6×109 to 9.6×109. The study also showed that Lactobacillus spp. and Escherichia coli had the highest prevalence occurrence of 75.00% (P < 0.05), while Staphylococcus aureus, Saccharomyces spp., Bacillus spp. and Candida spp. had a percentage occurrence of 50.00%, respectively. There is, therefore, urgent need for public enlightenment on public health implications, need for proper hygiene, as well as need for strategies for preventing and controlling the microorganisms which do not play a role in the fermentation of cassava for Abacha production.
    Źródło:
    World News of Natural Sciences; 2017, 12; 43-50
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    G6PD Activity in Malaria Infected Children in Owerri
    Autorzy:
    Ihenetu, Francis C.
    Nwachukwu, Michael I.
    Ohalete, Chinyere N.
    Njoku-Obi, Treasure Njideka
    Nwachukwu, Ogechi I.
    Okoro, Chinyere I.
    Okereke, Bright Chinemerem
    Ihenetu, Stanley Chukwuemeka
    Powiązania:
    https://bibliotekanauki.pl/articles/1113925.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Children
    G6PD
    Malaria
    Plasmodium falciparum
    Plasmodium malarae
    Opis:
    This paper is a study of G6PD activity in malaria-infected children in Owerri. Blood samples were collected from fifty-one (51) children hospitalized in the Federal Medical Center (FMC) and analyzed using standard Medical Laboratory methods. Results revealed that out of the 51 children examined (26 males and 25 females), 39, representing 76.47% of the total malaria infected children numbers, were G6PD deficient, while 12, representing 23.53%, had normal G6PD. Two different plasmodium species and their percentage occurrences were observed. These were: Plasmodium falciparum (78.43%) and Plasmodium malariae (21.57%). The work indicated that male children were more (P < 0.05) deficient than females, with percentage levels of 61.53% and 38.47%, respectively. In addition, children between the ages of 49-60 months was observed to be more (P < 0.05) G6PD deficient (with percentage of 25.64%), while those between 0-12 months were least G6PD deficient (with percentage of 8.3% (P < 0.05)). As being afflicted with malaria carries a high risk of Glucose-6-phosphate dehydrogenase (G6PD) deficiency in children, there is, therefore, urgent need for public enlightenment on public health implications, need for proper hygiene, as well as a need for strategies for preventing and controlling mosquito populations
    Źródło:
    World News of Natural Sciences; 2017, 12; 63-72
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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