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There is a worldwide demand for phenolic compounds (PC) because they exhibit several biological activities. The present investigation deals with a comprehensive study on the biological activities of phenolic compounds extracted from flaxseed meal (FM) with the aid of ultrasonic waves. The antioxidant activity of the PC extract of FM is considerably high when measuring it by the three methods (the β-carotene coupled oxidation method, the DPPH free radical scavenging activity method, and measuring the reducing antioxidant power). The toxicity test revealed that the PC extract was nontoxic on normal retina cell line. Also, it has no anticoagulating activity. Evaluation of antimicrobial activity showed that it is effective towards four strains only from seven. FM phenolic extract has been evaluated as chemo-preventive agents by testing the product for any cytotoxic activity against human tumor cell lines. The highest inhibitory effect was achieved on cell lines of colon carcinoma and lung carcinoma with IC50 = 22.3 and 22.6 μ/ml respectively. The PC extracted from FM showed high antioxidant activity, nontoxic on normal retina cell line, no anticoagulating activities, and an antimicrobial effect on some pathogenic bacteria, so the phenolic compounds extracted from flaxseed meal showed significant biological activities.

Biological activities of phenolic compounds extracted from flaxseed meal