African Journal of Biotechnology最新文献_第5页

Evaluation of the grain yield performance of 5 soybean genotypes in Mozambique using the GGE Biplot method 应用GGE双标法评价莫桑比克5个大豆基因型的粮食生产性能

African Journal of Biotechnology Pub Date : 2023-03-31 DOI: 10.5897/ajb2021.17438

Rico Raimundo Artur Constantino, Domingos Moiana Leonel, Pedro Maleia Manuel, Valentini Giseli, Davane Sumbuleiro Arminda, Armando Marcos Marcos

引用次数: 0

Production and characterisation of chitosan from chitin of snail shells by sequential modification process 螺壳甲壳素序贯改性法制备壳聚糖及其表征

African Journal of Biotechnology Pub Date : 2023-02-28 DOI: 10.5897/ajb2020.17135

Adeyinka Adekanmi Abideen, Taiwo Adekanmi Uthman, Sheriffdeen Adekanmi Adeniyi, Kola Ahmad Lawal, Olusegun Emmanuel Oluwadare

引用次数: 0

In vitro anthelmintic activities of stem and root barks extracts of Parkia biglobosa on infective larvae and adult of Haemonchus contortus 大叶柏茎和根皮提取物对扭曲血蜱幼虫和成虫的体外驱虫活性

African Journal of Biotechnology Pub Date : 2023-01-31 DOI: 10.5897/ajb2022.17528

J. Josiah, J. Adama, Z. Jiya, O. Abah, C. Imoisi

引用次数: 1

Assessment of anticoccidial efficacy of chitosan nanoencapsulated bromelain against coccidia in naturally infected goats in Kenya 壳聚糖纳米菠萝蛋白酶对肯尼亚自然感染山羊球虫的抗球虫效果评估

African Journal of Biotechnology Pub Date : 2023-01-31 DOI: 10.5897/ajb2022.17540

Ahmota Romain Daiba, M. Ngotho, J. Kagira, J. Kimotho, I. Adoum, N. Maina

{"title":"Assessment of anticoccidial efficacy of chitosan nanoencapsulated bromelain against coccidia in naturally infected goats in Kenya","authors":"Ahmota Romain Daiba, M. Ngotho, J. Kagira, J. Kimotho, I. Adoum, N. Maina","doi":"10.5897/ajb2022.17540","DOIUrl":"https://doi.org/10.5897/ajb2022.17540","url":null,"abstract":"The current study assessed the anticoccidial efficacy of chitosan nanoencapsulated bromelain (CNB) against coccidiosis in goats. Bromelain was extracted from the pineapple peels using standard methods while oral solution of CNB was prepared using standard manufacturing methods. The in vivo study was done on fifteen healthy male goats naturally infected with coccidia. The goats were divided into three groups consisting of three treatment groups (90 and 270 mg/Kg CNB, Diclazuril, 5 mg/Kg). The drugs were administered orally for 3 days. Fecal Oocyst Counts (FOC) determined using the modified McMaster technique. The goats were observed for clinical signs on daily basis while body weight was recorded weekly. The level of packed cell volume (PCV), aspartate aminotransferases (AST), alanine aminotransferases (ALT), urea, and creatinine were assessed weekly. At the end of the study, goats were euthanized and gross pathology and histopathology conducted. The results showed that at day 28 post-treatment there was a significantly reduction of FOC of 98.42 and 82.30% for Diclazuril and 270 mg/Kg treatment groups, respectively. The reduction of FOC percentage was significantly higher (p ≤ 0.01) in Diclazuril group than that in 270 mg/Kg. During the monitoring period, there was no mortality or clinical signs observed in the goats. The PCV, AST, ALT, creatinine and urea were in normal ranges for goats. There were no pathological lesions on the goat organs. In conclusion, CNB had high anticoccidial efficacy and was safe for use in goats. Strategies to improve the efficacy of this potential drug should be further investigated.","PeriodicalId":7414,"journal":{"name":"African Journal of Biotechnology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47243725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Adsorption of lead, cadmium, and mercury ions in aqueous solution using groundnut and sheanut shells biochars 花生壳生物炭在水溶液中吸附铅、镉和汞离子的研究

African Journal of Biotechnology Pub Date : 2023-01-31 DOI: 10.5897/ajb2022.17479

Abudu Ballu Duwiejuah, A. Abubakari, A. Quainoo, Y. Amadu, Abdul-Aziz Bawa

引用次数: 0

Molecular and physiological characterization of bread wheat (Triticum aestivum L.) breeding lines for fungal diseases tolerance 小麦（Triticum aestivum L.）抗真菌病育种系的分子和生理特性

African Journal of Biotechnology Pub Date : 2022-12-31 DOI: 10.5897/ajb2019.16863

E. Ngonkeu, A. Damdjo, A. Mongoue, H. Tekeu, Arlette Foko, Patrick Tsimi, Charly E. Mam, Jude D. Manga, P. Effa, P. Djocgoue, Willem C. Bote

引用次数: 0

Microbial analysis and detection of Aflatoxin from Irvingia gabonensis kernels sold in Oyo Town, Oyo State, Nigeria 尼日利亚奥约州奥约镇销售的加蓬松仁中黄曲霉毒素的微生物分析和检测

African Journal of Biotechnology Pub Date : 2022-12-31 DOI: 10.5897/ajb2022.17469

R. Fashogbon, B. Popoola, S. Aforijiku, Ayomide Ezekiel Oyekanmi, Osaze Ruth Uloko, A. Olanbiwoninu

{"title":"Microbial analysis and detection of Aflatoxin from Irvingia gabonensis kernels sold in Oyo Town, Oyo State, Nigeria","authors":"R. Fashogbon, B. Popoola, S. Aforijiku, Ayomide Ezekiel Oyekanmi, Osaze Ruth Uloko, A. Olanbiwoninu","doi":"10.5897/ajb2022.17469","DOIUrl":"https://doi.org/10.5897/ajb2022.17469","url":null,"abstract":"This research work aimed at screening for different microorganisms associated with Irvingia gabonensis var. gabonesis Kernels, its nutritional value and detection of aflatoxins from some of the infested I. gabonensis Kernels sold in Oyo town. A total of 30 different I. gabonensis var. gabonesis Kernels were randomly purchased from six different points in the five major markets in Oyo town and isolation was done on Nutrient agar (NA), McConkey agar, Eosine Methylene Blue Agar (EMB) and Potato Dextrose Agar (PDA) using pour plate method. The isolates were culturally, morphologically and biochemically characterized. The mineral, proximate and aflatoxin detection of the I. gabonensis Kernels with high microbial load and growth of Aspergillus flavus was carried out using standard methods. A total of 25 bacteria and 18 fungal were isolated which include Bacillus spp ., Staphylococcus spp., Aspergillus spp ., Penicillium spp., and yeast. Irvingia gabonensis seeds with growth of A. flavus (OOW1) had the least mineral composition with 5.4% sodium, 20.0 mg/kg vitamin C, 29.4 mg/kg calcium, 0.9 mg/100g iron, 34.4 mg/100 g magnesium and 0.02 mg/100 g zinc. The I. gabonensis Kernels with the growth of A. flavus (OOW1) had the least mineral composition with 5.5% moisture content, 4.2% crude protein, 45.7% crude fat, 9.1% crude fibre and 1.5% total ash. The I. gabonensis Kernels with the growth of A. flavus (OOW4, OOJ6 and OOW1) had aflatoxin level of 3.47, 3.69 and 5.10 ppb, respectively. Irvingia gabonensis seed with high microbial load and growth of A. flavus had low nutritional value making them unsafe for consumption.","PeriodicalId":7414,"journal":{"name":"African Journal of Biotechnology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44140457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Some physicochemical properties of tyrosinase from sweet potato (Ipomea batatas) 甘薯酪氨酸酶的一些理化性质

African Journal of Biotechnology Pub Date : 2022-12-31 DOI: 10.5897/ajb2022.17524

O. Ilesanmi, Omowumi Funke Adedugbe, D. A. Oyegoke

引用次数: 1

Evaluation of Fagara zanthoxylodes and Mucuna pruriens extracts phenolic profile and their in vitro antioxidant activity 山核桃和瘙痒木提取物酚类成分及其体外抗氧化活性的评价

African Journal of Biotechnology Pub Date : 2022-11-30 DOI: 10.5897/ajb2022.17500

A. Namkona, X. Worowounga, Madongo M. Issa, O. Semboli, F. Moustapha, G. K. M’beli

引用次数: 0

Antibacterial Activities of selected Medicinal Plants Against Salmonella typhi, Salmonella paratyphi A, B and C, Clinical Isolates in North Central, Nigeria. 尼日利亚中北部部分药用植物对伤寒沙门氏菌、副伤寒沙门氏杆菌A、B和C临床分离株的抗菌活性。

African Journal of Biotechnology Pub Date : 2022-11-30 DOI: 10.5897/ajb2021.17363

O. O. Stanislaus, M. B. Etsuyankpa, O. Tanko

{"title":"Antibacterial Activities of selected Medicinal Plants Against Salmonella typhi, Salmonella paratyphi A, B and C, Clinical Isolates in North Central, Nigeria.","authors":"O. O. Stanislaus, M. B. Etsuyankpa, O. Tanko","doi":"10.5897/ajb2021.17363","DOIUrl":"https://doi.org/10.5897/ajb2021.17363","url":null,"abstract":"The aim of the research was to investigate the antibacterial activities and the phytochemical properties of aqueous and ethanolic extracts of Mango ( Mangifera indica) and Neem ( Azadirachta indica ) leaves, on clinical isolates of Salmonella typhi , Salmonella paratyphi A, B and C, in Lafia, Nigeria. The agar well diffusion technique was used and the analyses were done in triplicates. At the highest aqueous and ethanolic extract concentration of 80 mg/ml, S. typhi, showed inhibition zones of 29.4±0.1mm and 30.0±0.01 mm respectively, while S. paratyphi A, B and C, exhibited inhibition zones of 14.4±0.2, 21.2±0.4, 13.4±0.1 mm and 18.0±0.03, 20.0±0.04, 21.0±0.04 mm, respectively. At aqueous and ethanolic lower extract concentration of 10 mg/ml, S. typhi, exhibited inhibition zones of 8.4±0.01 and 9.0±0.1 mm, respectively, while S. paratyphi A, B and C, showed inhibition zones of 9.5±0.01, 9.1±0.01, 6.2±0.01 mm and 9.0±0.01, 9.0±0.01, 9.0±0.01 mm, respectively of Neem leaf extract. The MIC and MBC, of aqueous and ethanolic extracts against organisms were 2.5 and 5.0 mg/ml, respectively. The qualitative phytochemical results showed the presence of alkaloids, anthraquinones, carbohydrates, cardiac glycosides, flavonoids, tannins, terpenoids and saponins. Conclusively, the aqueous and ethanolic extracts of the studied medicinal plant exhibited bactericidal activities against all tested organisms, and this supports the claim by traditional medical practitioners and vendors of the use of the plants for the cure of typhoid fever. Further studies are recommended on the toxicity and safe dosage regimen of the plants since the infusion of the plant is taken orally by people for cure of typhoid fever.","PeriodicalId":7414,"journal":{"name":"African Journal of Biotechnology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47844906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0