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Abstract
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Phenolic acids are plant metabolites widely spread throughout the plant kingdom. These compounds was belonged to phenolic groups which have many biological activites such as antioxidant activity, antimicrobial effect, modulation of detoxification enzymes, stimulation of the immune system, decrease of platelet aggregation and modulation of hormonemetabolism and anticancer property [1]. Carum carvi and Cuminum cyminum are medicinal herb plants belonging to the Apiaceae family and are the earliest cultivated herbs in Asia, which have excellent antioxidant, antibacterial, antifungal and analgesic properties. Up to our knowledge, the comparison of phenolic acids contents of Cuminum cyminum and Carum carvil has not been reported yet. Thus, the present study was aimed to investigate the variations in phenolic acids content of Cuminum cyminum and Carum carvil. The phenolic acids of plants were extracted with methanol: acetic acid (9:1) by ultrasonic method and then were analysed for six individual phenolic acids (gallic acid, coffeic acid, rosmarinic acid, ferulic acid, salicylice acid, para-coumaric acid) by HPLC method. The results indicated that the methanolic extract of Carum carvi had high contents of gallic acid, and rosmarinic acid, while, the maximum level of coffeic acid, ferulic acid, and salicylice acid was related to the methanolic extract of Cuminum cyminum. Also, there was no significant difference in the amount of para-coumaric acid at Cuminum cyminum and Carum carvil. Our results showed that Cuminum cyminum and Carum carvil had different potential for the production of phenolic acids.
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