Herbal Sage and Alzheimer's disease

Posted by Chantel Martiromo 

Alzheimer's disease is a brain disorder correlated with major reductions of neurons to the respective target areas and named after German physician Alois Alzheimer. Alzheimer's destroys brain cells, causing cognitive modalities severe enough to affect language communication, memory, lifelong hobbies or social life. Alzheimer's gets worse over time, and it is fatal. 
According to statistic, over 25 million people in the world today are affected by dementia and most are suffering from Alzheimer's disease. It may be results of  cigarette smoking, midlife high blood pressure and obesity, diabetes, and cerebrovascular lesions) and the possible beneficial roles of psychosocial factors (eg, high education, active social engagement, physical exercise, and mentally stimulating activity)(1) Strong evidences emerged in epidemiological studies suggested that certain herbs(2) may have potential in reduced risk and treatments of Alzheimer's disease but geographic source of the plant material, climatation, and time of harvest may effect their effectiveness. It is understandable that commercially available herbal medicinal products with the same herbal ingredients vary in their content and concentration of chemical constituents when compared between manufacturers.

Saffron is a spice derived from the flower of Crocus sativus which is a genus Crocus, belonging to the family Iridaceae, native to Southeast Asia.
Saffron extract, showed moderated AChE inhibitory activity, verified by in silico docking studies(31) and some promising effects in clinical studies with dementia patients(32). In a double-blind, placebo-controlled Tehran University of Medical Science study, suggested a positive mild to moderate Alzheimer's disease effect through inhibition of the aggregation and deposition of amyloid β in the human brain(33). Crocin isolated from Saffron, in Alzheimer's disease induced by intracerebroventricular (icv) streptozocin (STZ) in male rats, significantly attenuated learning and memory impairment(34).

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Back to Kyle J. Norton Home page http://kylejnorton.blogspot.ca    References
(1) Epidemiology of Alzheimer's disease: occurrence, determinants, and strategies toward intervention. by Qiu C, Kivipelto M, von Strauss E.(PubMed)
(2) The Use of Herbal Medicine in Alzheimer's Disease—A Systematic Review by Leopoldo Luiz dos Santos-Neto,¹ Maria Alice de Vilhena Toledo,² Patrícia Medeiros-Souza,³ and Gustavo Almeida de Souza(PubMed)
(31) Saffron as a source of novel acetylcholinesterase inhibitors: molecular docking and in vitro enzymatic studies by Geromichalos GD, Lamari FN, Papandreou MA, Trafalis DT, Margarity M, Papageorgiou A, Sinakos Z.(PubMed)
(32) Ethnobotanical treatment strategies against Alzheimer's disease by Howes MJ, Houghton PJ.(PubMed)
(33) Saffron in the treatment of patients with mild to moderate Alzheimer's disease: a 16-week, randomized and placebo-controlled trial by Akhondzadeh S, Sabet MS, Harirchian MH, Togha M, Cheraghmakani H, Razeghi S, Hejazi SSh, Yousefi MH, Alimardani R, Jamshidi A, Zare F, Moradi A.(PubMed)
(34) Effects of active constituents of Crocus sativus L., crocin on streptozocin-induced model of sporadic Alzheimer's disease in male rats by Khalili M, Hamzeh F.(PubMed)