Abstract Title:

Melatonin and serotonin profiles in beans of Coffea species.

Abstract Source:

J Pineal Res. 2012 May ;52(4):470-6. Epub 2011 Oct 24. PMID: 22017393

Abstract Author(s):

Akula Ramakrishna, Parvatam Giridhar, Kadimi Udaya Sankar, Gokare Aswathanarayana Ravishankar

Article Affiliation:

Department of Plant Cell Biotechnology, Central Food Technological Research Institute, (Constituent Laboratory of Council of Scientific and Industrial Research), Mysore, India.

Abstract:

A high-performance liquid chromatography (HPLC) and an electrospray ionization mass spectrometry (LC/ESI-MS) methods were applied to quantify the profiles of melatonin and serotonin (5-HT) in green and roasted beans of Coffea canephora (robusta) and Coffea arabica (arabica). Both melatonin and 5-HT were detected in green coffee beans (5.8±0.8μg/g dry weight (DW), 10.5±0.6μg/g DW) and also in roasted beans of C. canephora (8.0±0.9μg/g DW, 7.3±0.5μg/g DW). Melatonin (3.0±0.6μg/50mL) and 5-HT (4.0±0.7μg/50mL) were detected in coffee brew. In C. arabica, 5-HT was high in green beans (12.5±0.8μg/g DW) compared with roastedbeans (8.7±0.4). The levels of melatonin were higher (9.6±0.8μg/g DW) in roasted beans compared with green beans (6.8±0.4μg/g DW). Both melatonin (3.9±0.2μg/50mL) and 5-HT (7.3±0.6μg/50mL) were detected in coffee brew. Because of the relevance of indoleamines as bioactive molecules with implications for food, nutritional sciences and human health, it was of interest to explore their levels in coffee, an important universal beverage.

Study Type : Plant Study
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