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  1. Article ; Online: Extraction, phytochemistry, nutritional, and therapeutical potentials of rice bran oil

    Mtabazi G. Sahini / Eric Mutegoa

    Phytomedicine Plus, Vol 3, Iss 2, Pp 100453- (2023)

    A review

    2023  

    Abstract: Background: Rice is the third-most-produced crop in the world after corn and sugarcane, and due to its widespread production, its byproduct, rice bran, is widely available. One option to add value to this agricultural waste is by utilizing the potential ... ...

    Abstract Background: Rice is the third-most-produced crop in the world after corn and sugarcane, and due to its widespread production, its byproduct, rice bran, is widely available. One option to add value to this agricultural waste is by utilizing the potential phytochemicals in rice bran oil (RBO). Rice bran oil contains vital chemicals with medicinal and nutritional benefits. This paper examines the numerous ways that rice bran oil is extracted, the various phytochemicals that are present, as well as their potential for use in nutrition and medicine. Method: A review of literatures released from 1996 to 2023 was done, with just one more item of literature from 1973. The search was performed in various online platforms such as Google Scholar, PubMed, Science Direct, Springer, Research4Life, Web of Science, SciFinder, Science Open etc. The more recent literatures were given more consideration, and the older literatures were only taken into account when they were absolutely essential in light of the subject at hand. Results: Literature survey has revealed that the essential phytochemical components of RBO includes phenolic acids, flavonoids, γ-oryzanol and ferulic acids and vitamin E which constitutes tocopherols and tocotrienols as well as other unique fatty acids. Numerous therapeutical potentials, including antioxidant, anti-inflammatory, antidiabetic, and anticancer activities have been evidenced, thanks to these significant phytochemical ingredients. Additionally, numerous nutritional potentials of RBO have been researched and reported. Conclusions: This review consolidates information on the developments in RBO extraction techniques, phytochemical components, and their nutritional and medicinal benefits. Also included are the approach towards processing of rice bran. Considering the abundance and potential of this agrowaste, the use of RBO based phytochemicals for nutritional and therapeutic purpose is worthy pursuing further.
    Keywords Rice bran oil ; Gamma-oryzanol ; Tocotrienols ; Tocopherols ; Phenolic compounds ; Flavonoids ; Other systems of medicine ; RZ201-999
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Approaches to mitigation of hydrogen sulfide during anaerobic digestion process – A review

    Eric Mutegoa / Mtabazi G. Sahini

    Heliyon, Vol 9, Iss 9, Pp e19768- (2023)

    2023  

    Abstract: Anaerobic digestion (AD) is the primary technology for energy production from wet biomass under a limited oxygen supply. Various wastes rich in organic content have been renowned for enhancing the process of biogas production. However, several other ... ...

    Abstract Anaerobic digestion (AD) is the primary technology for energy production from wet biomass under a limited oxygen supply. Various wastes rich in organic content have been renowned for enhancing the process of biogas production. However, several other intermediate unwanted products such as hydrogen sulfide, ammonia, carbon dioxide, siloxanes and halogens have been generated during the process, which tends to lower the quality and quantity of the harvested biogas. The removal of hydrogen sulfide from wastewater, a potential substrate for anaerobic digestion, using various technologies is covered in this study. It is recommended that microaeration would increase the higher removal efficiency of hydrogen sulfide based on a number of benefits for the specific method. The process is primarily accomplished by dosing smaller amounts of oxygen in the digester, which increases the system's oxidizing capacity by rendering the sulfate reducing bacteria responsible for converting sulfate ions to hydrogen sulfide inactive. This paper reviews physicochemical and biological methods that have been in place to eliminate the effects of hydrogen sulfide from wastewater treated anaerobically and future direction to remove hydrogen sulfide from biogas produced.
    Keywords Anaerobic digestion ; Hydrogen sulfide ; Methane ; Science (General) ; Q1-390 ; Social sciences (General) ; H1-99
    Subject code 500
    Language English
    Publishing date 2023-09-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Ethnomedicinal uses, phytochemistry and pharmacological study of Ocimum americanum L.

    Amos Luanda / Asha Ripanda / Mtabazi G. Sahini / John J. Makangara

    Phytomedicine Plus, Vol 3, Iss 2, Pp 100433- (2023)

    A review

    2023  

    Abstract: Background: Ocimum americanum L., commonly known as Hoary basil, is a wild aromatic shrub traditionally used to treat different ailments. Its leaves, flowers and aerial parts have been widely studied to evaluate its medicinal potential such as lowering ... ...

    Abstract Background: Ocimum americanum L., commonly known as Hoary basil, is a wild aromatic shrub traditionally used to treat different ailments. Its leaves, flowers and aerial parts have been widely studied to evaluate its medicinal potential such as lowering blood pressure, treatment of microbial infections, malaria, cold, liver and eye problems. Purpose: This study aims to provide an in-depth review of ethnomedicinal uses, phytochemistry, and pharmacological activities of O. americanum, to evaluate its benefits, challenges and potential future prospects. Methods: All the information about O. americanum was collected from various platforms, including google scholar, PubMed, ScienceDirect, plants of the world online and Research4Life. The acceptance criteria of the collected information based on the PICOS model. The GRADE approach was used to analyze and evaluate the quality of the collected information. Results: This study showed that O. americanum has tremendous therapeutic potential to be integrated into mainstream medical practice to manage various medical conditions. The inconsistence of the phytoconstituents among the plant parts resulted in a significant variation of pharmacological activities. Plant originality, genetic variability and extraction techniques are among the factors contributing to the variation of phytoconstituents that are responsible for pharmacological activities. Conclusion: This study revealed that O. americanum is a potential medicinal plant for mitigating various medical conditions. However, future study should continue to focus on the bioactive compounds and their mechanisms of action. Additionally, the utilization of the O. americanum for the development of drugs as well as quality evaluation in clinical settings are highly recommended.
    Keywords Ocimum americanum L ; Extract ; Essential oils ; Pharmacological activities ; Medical conditions ; Other systems of medicine ; RZ201-999
    Subject code 580
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Inter-library loan at ZB MED

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  4. Article ; Online: Chemical profiling of Cannabis sativa from eleven Tanzanian regions

    Husna B. Mhando / Mtabazi G. Sahini / John J. Makangara

    Heliyon, Vol 9, Iss 5, Pp e15892- (2023)

    2023  

    Abstract: The aim of this research was to investigate the chemical profiles of Cannabis sativa from 11 Tanzanian regions using preliminary tests as well as instrumental analyses with GC-MS and LC-MS. Generally, all the seized samples tested positive for the ... ...

    Abstract The aim of this research was to investigate the chemical profiles of Cannabis sativa from 11 Tanzanian regions using preliminary tests as well as instrumental analyses with GC-MS and LC-MS. Generally, all the seized samples tested positive for the presence of (Δ9-THC. The preliminary test with Duquenois method followed by chloroform addition revealed the presence of Δ9-tetrahydrocannabinol (Δ9-THC) in all the samples. GC-MS analyses of the samples revealed the presence of nine cannabinoids including Δ9-THC, Δ8-THC, cannabidivarol, cannabidiol, Δ9-tetrahydrocannabivarin (Δ9-THCV), cannabichromene, cannabinol, caryophyllene, and cannabicouramaronone, whereas LC-MS chemical profiling revealed the presence 24 chemical substances, including 4 cannabinoids, 15 different types of drugs and 5 amino acids. The Pwani region had the highest percentage composition of Δ9-THC (13.45%), the main psychoactive ingredient of Cannabis sativa, followed by Arusha (10.92%) and Singida (10.08%). The sample from Kilimanjaro had the lowest percentage of Δ9-THC (6.72%). Apart from cannabinoids, the majority of other chemical substances were found in the Dar es Salaam region sample, which could be attributed to the fact that the city is the epicenter of business rather than the cultivation area, implying that the samples were obtained from different sources and blended as a single package.
    Keywords Cannabis sativa ; Cannabinoids ; Chemical profiling ; Delta-9-tetrahydrocannabinol ; Tetrahydrocannabivarin ; Cannabidiol ; Science (General) ; Q1-390 ; Social sciences (General) ; H1-99
    Subject code 540
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    Kategorien

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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