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Crocus sativus L. Extracts and Its Constituents Crocins and Safranal; Potential Candidates for Schizophrenia Treatment? - PubMed

️Fri Jan 01 2021

Review

Crocus sativus L. Extracts and Its Constituents Crocins and Safranal; Potential Candidates for Schizophrenia Treatment?

Nikolaos Pitsikas. Molecules. 2021.

Abstract

Schizophrenia is a chronic mental devastating disease. Current therapy suffers from various limitations including low efficacy and serious side effects. Thus, there is an urgent necessity to develop new antipsychotics with higher efficacy and safety. The dried stigma of the plant Crocus sativus L., (CS) commonly known as saffron, are used in traditional medicine for various purposes. It has been demonstrated that saffron and its bioactive components crocins and safranal exert a beneficial action in different pathologies of the central nervous system such as anxiety, depression, epilepsy and memory problems. Recently, their role as potential antipsychotic agents is under investigation. In the present review, I intended to critically assess advances in research of these molecules for the treatment of schizophrenia, comment on their advantages over currently used neuroleptics as well-remaining challenges. Up to our days, few preclinical studies have been conducted to this end. In spite of it, results are encouraging and strongly corroborate that additional research is mandatory aiming to definitively establish a role for saffron and its bioactive components for the treatment of schizophrenia.

Keywords: Crocus sativus L.; crocins; schizophrenia.

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Conflict of interest statement

The author declares no conflict of interest.

Figures

**Figure 1**
Chemical structures of saffron bioactive components. Crocins (CRCs): Glucosyl ester of Crocetin, R₁ = â-
d
-Geotiobiosyl, R₂ = â-
d
-Geotiobiosyl, R₁ = â-
d
-Gentiobiosyl, R₂ = â-
d
-glucosyl., R₁ = â-
d
-Gentiobiosyl, R₂ = H, R₁ = â-
d
-glucosyl, R₂ = â-
d
-glucosyl., R₁ = â-
d
-glucosyl, R₂ = H, Crocetin R₁ = H, R₂ = H., B. Picrocrocin., C. Safranal.

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Crocus sativus L. Extracts and Its Constituents Crocins and Safranal; Potential Candidates for Schizophrenia Treatment? - PubMed