Diabetes mellitus is one of the most common endocrine disorders that affect the body’s ability to make or use insulin. Diabetes mellitus (DM), or simply diabetes, is a group of chronic metabolic diseases in which a person experience high blood sugar, either because the pancreas does not produce enough insulin or because the body cells do not effectively use or respond to the insulin that is produced. This high blood sugar produces the classical symptoms of polyuria (frequent urination), polydipsia (increased thirst) and polyphagia (increased hunger). Conventionally, diabetes has been divided into three types namely: Type 1 DM or insulin-dependent diabetes mellitus (IDDM) in which body fails to produce insulin, and presently requires the person to inject insulin or wear an insulin pump. This is also termed as "juvenile diabetes". Type 2 DM or non-insulin-dependent diabetes mellitus (NIDDM), results from insulin resistance, a condition in which cells fail to use insulin properly, with or without an absolute insulin deficiency. This type was previously referred to as or "adult-onset diabetes". The third main type is gestational diabetes which occurs when women without a previous history of diabetes develop a high blood glucose level during her pregnancy and may metamorphose to type 2 DM after giving birth. Currently available pharmacotherapy for the treatment of diabetes mellitus includes insulin and oral hypoglycemic agents. Thus, the present review underscores the issues surrounding the symptoms, diagnosis and treatment (especially use of anti-diabetic herbal species) of this killer disease with a view to suppressing its global spread and resurgence.
Isolation, identification and pathogenicity of fungal organisms responsible for the postharvest spoilage of sweet oranges, cucumber and lettuce at Sharada market in Kano metropolis, Nigeria was carried out in the present study. Samples showing symptoms of rot were collected from the retailers in the market and conveyed to the laboratory using polyethene bags. Small portion from rotten parts were cut and surface sterilized in 1% of Sodium hydrochloride and rinsed in several changes of sterile distilled water. They were plated on Potato Dextrose Agar (PDA) and observed for fungal growth. Identification was done macroscopically and microscopically. For pathogenicity test, healthy sweet oranges, cucumber and lettuce were plugged with pure cultures of the fungal isolates, thus, frequency of occurrence and disease severity of the pathogen were evaluated. Seven fungi namely Rhizopus spp., Aspergillus flavus, Mucor spp., Aspergillus fumigatus, Aspergillus niger, Fusarium oxysporum, Rhizoctonia spp. and Fusarium oxysporum were isolated. Severity of decay ranged from 6.39–46.15% for all fungal isolates, while the controls showed 0%. Pathogenic microorganisms on fruits and vegetables are a potential health hazard to man and animals following ingestion. Proper handling from the farm as well as during storage and the avoidance of mixing of diseased ones with the healthy ones were identified as important factors in preventing loss and health complication at the event of consumption. The use of suitable chemical treatment of the orange is also recommended as means of reducing economic loss due to fungal pathogens. Asian J. Med. Biol. Res. June 2019, 5(4): 286-291
Contaminated soils and their associated problems have increasingly become a matter of concern. The most common contaminants generated by industrial urban emissions and agricultural practices are trace metals. Remediation of trace metals is mostly conducted using physico-chemical processes and this causes soils to become polluted. Nevertheless, these techniques damage the soil’s biological activity and require highly sophisticated expensive equipment. Phytoremediation is a relatively low-cost technology based on the use of selected plants to remove, degrades or contains soil pollutants. The potential of Kenaf for phytoremediation on soils contaminated with heavy metals and other contaminants have been investigated and of course reported in several literatures to be very effective. In view of that, this paper would therefore underscore the phytoremediation potentials of Hibiscus cannabinus (Kenaf), the possible utilization of the contaminated biomass and its prospects in the field of bioremediation.
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