β-Cyclocitral: Emerging Bioactive Compound in Plants

beta-cyclocitral (beta CC), a main apocarotenoid of beta-carotene, increases plants' resistance against stresses. It has recently appeared as a novel bioactive composite in a variety of organisms from plants to animals. In plants, beta CC marked as stress signals that accrue under adverse ecological conditions. beta CC regulates nuclear gene expression through several signaling pathways, leading to stress tolerance. In this review, an attempt has been made to summarize the recent findings of the potential role of beta CC. We emphasize the beta CC biosynthesis, signaling, and involvement in the regulation of abiotic stresses. From this review, it is clear that discussing compound has great potential against abiotic stress tolerance and be used as photosynthetic rate enhancer. In conclusion, this review establishes a significant reference base for future research.