Investigating some biological characteristics of peptides obtained from protein hydrolysis of Camelina seeds

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Abbasi Alireza; Moghadam Ali; Niazi Ali; taghizadeh Mohammad sadegh; Taghavi Seyed Mohsen

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON AGRICULTURAL SCIENCES, MEDICINAL PLANTS AND TRADITIONAL MEDICINE
Year:2024 | Issue:7

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Title

Investigating some biological characteristics of peptides obtained from protein hydrolysis of Camelina seeds

Author(s)

Abbasi Alireza | Moghadam Ali | Niazi Ali | taghizadeh Mohammad sadegh | Taghavi Seyed Mohsen

Keywords

Bioactive peptidesQ4

camelina sativaQ4

enzymatic hydrolysisQ4

antioxidant propertiesQ4

cytotoxicityQ4

Abstract

Bioactive peptides derived from plant sources have great potential for use in the development of functional foods, offering various therapeutic benefits such as antioxidant, anti-inflammatory, anti-cancer, antimicrobial, immune-modulating, and blood pressure-lowering properties. Camelina meal, a by-product of Camelina plant seed oil extraction, is rich in protein. Previous studies have highlighted the positive biological properties of Camelina protein, making it a promising candidate for bioactive peptide production. In this study, Camelina seed protein was extracted using two methods: alkaline extraction and ultrasonic extraction. Bioactive peptides were produced through alcalase treatment (500 enzyme units/gram of protein), and their solubility, emulsification, antioxidant activity, and toxicity on human cells were evaluated. The results indicated that ultrasonic extraction with a power intensity of 300 watts for 30 minutes increased protein extraction efficiency by 36. 5% (35. 64%) compared to alkaline extraction (26. 14%). The Bioactive peptides exhibited improved solubility, emulsifying properties, a 30% increase in DPPH free radical inhibition, and a 100% increase in copperreducing capacity compared to the protein. Furthermore, the protein and hydrolysate showed no toxicity on HEK293 human cells at concentrations up to 25 micrograms per milliliter, with a 73% increase in cell proliferation observed. The lowest cell proliferation, with an average increase of 15% compared to the control, was observed at a concentration of 400 microliters. The IC50 value for the hydrolysate was determined as 0. 888 ± 0. 041 mg/ml.

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