1. Effect of natural antioxidants on the physicochemical properties and stability of freeze-dried microencapsulated chia seed oil. Phytochemistry Rodriguez ES et al (2019). J Sci Food Agric. DOI: 10.1002/jsfa.9355 PubMed: 30207385
2. Total phenolic content, radical scavenging properties, and essential oil composition of Origanum species from different populations. Phytochemistry Dambolena JS et al (2010). J Agric Food Chem. DOI: 10.1021/jf903203n PubMed: 19928992
3. Variation in the flavonoid content of Origanum x majoricum in different plant stages by HPLC. Palomino OM et al (1997). Planta Med. PubMed: 17252388
4. Antioxidant activity and phenolic compounds in selected herbs. Phytochemistry Zheng W and Wang SY (2001). J Agric Food Chem. PubMed: 11714298