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Review
. 2016 Jul 27;21(8):931.
doi: 10.3390/molecules21080931.

Capsaicin: From Plants to a Cancer-Suppressing Agent

Affiliations
Review

Capsaicin: From Plants to a Cancer-Suppressing Agent

Angela M Chapa-Oliver et al. Molecules. .

Abstract

Capsaicinoids are plant secondary metabolites, capsaicin being the principal responsible for the pungency of chili peppers. It is biosynthesized through two pathways involved in phenylpropanoid and fatty acid metabolism. Plant capsaicin concentration is mainly affected by genetic, environmental and crop management factors. However, its synthesis can be enhanced by the use of elicitors. Capsaicin is employed as food additive and in pharmaceutical applications. Additionally, it has been found that capsaicin can act as a cancer preventive agent and shows wide applications against various types of cancer. This review is an approach in contextualizing the use of controlled stress on the plant to increase the content of capsaicin, highlighting its synthesis and its potential use as anticancer agent.

Keywords: apoptosis; cancer; capsaicin; cell death; elicitors; stress.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Chemical structure of capsaicin [7].
Figure 2
Figure 2
Capsaicin biosynthetic pathway modified from Arora et al. [11]. Enzymes involved in the biosynthetic pathway: PAL, phenylalanine ammonia lyase; C4H, cinnamic acid 4-hydroxylase; Ca3H, coumaric acid 3-hydroxylase; COMT, caffeic acid O-methyltransferase; pAMT, putative aminotransferase; BCAT, branchedchain amino acid transferase; FAS fatty acid synthase complex, KAS, β-ketoacyl-[acyl-carrier-protein] (ACP) synthase; ACL, acyl carrier protein; FATA, acyl-ACP thioesterase; Desnaturase; ACS, acyl-CoA synthase; CS, capsaicin synthase.
Figure 3
Figure 3
Summary of some of the pro-apoptotic mechanisms and anti-cancer activity of capsaicin in some cancerous cells [17,52,62,72,73,74].

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