Chemical composition of propolis from the Baha region in Saudi Arabia

Ohood Hasan Almohammadi, Abdulsallam Bakdash, Nael Abu Taha, Ali Abu-Rumman and Sachil Kumar
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Ohood Hasan Almohammadi: Department of Forensic Chemistry, College of Forensic Sciences
Abdulsallam Bakdash: Department of Forensic Chemistry, College of Forensic Sciences
Nael Abu Taha: Department of Zoology, Bioproducts Research Chair (BRC), College of Science, King Saud University, Riyadh, Saude Arabia$2
Ali Abu-Rumman: Department of Forensic Chemistry, College of Forensic Sciences
Sachil Kumar: Arab Society for Forensic Sciences and Forensic Medicine, Naif Arab University for Security Sciences, Riyadh, Saudi Arabia

Czech Journal of Food Sciences, 2018, vol. 36, issue 2, 109-118

Abstract: The chemical composition of organic compounds in the extractable organic matter of propolis collected from the Baha region of Saudi Arabia was investigated. The propolis samples were extracted with methanol followed by column chromatography and collected in fractions (15 ml), then analysed by gas chromatography-mass spectrometry (GC-MS). Samples were injected with and without derivatization using BSTFA simultaneously. The results showed that a total of 61 chemical compounds were characterized and identified by analysing each of the fractions. Out of these, 33 compounds have not been reported previously. The Baha sample contains a high amount of aromatic acids, alcohol and phenol aldehydes. In addition to these, some other compounds (aliphatic acids, sugar derivatives, steroid derivatives and flavone derivatives) were also present. Some of the identified compounds have shown diverse biological activities: antimicrobial, anti-inflammatory, and analgesic activities. Methanolic extraction of propolis followed by column chromatography and GC-MS resulted in the separation of a high number of compounds compared with propolis samples from different geographical regions. The new identified compounds were found related to the flora of the Baha region. Therefore, the composition of propolis differs according to the plants found in the area in which it is produced. This may be used in the determination of a geographical area as the source of a propolis sample.

Keywords: chemical analysis; chromatography; methanol extraction; Baha propolis; bees (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:36:y:2018:i:2:id:119-2017-cjfs

DOI: 10.17221/119/2017-CJFS

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