Biochemical Composition of Lathyrus L. Seeds: Antioxidant Activities, Phenolic Profiles, beta-ODAP and Protein Contents


YAZICI S. Ö. , Ozmen I., Yildirim B., Genc H., Ozeloglu B., Gulsun M., ...More

LEGUME RESEARCH, vol.43, no.5, pp.723-727, 2020 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 43 Issue: 5
  • Publication Date: 2020
  • Doi Number: 10.18805/lr-516
  • Title of Journal : LEGUME RESEARCH
  • Page Numbers: pp.723-727

Abstract

Lathyrus taxa are used in different areas including nutritive, agricultural areas, and they are seen as the source of both protein and phenolics. Lathyrus taxa seeds contain a neurotoxic substance called beta-N-oxalyl-L-alpha,beta-diaminopropionic acid (beta-ODAP) in different amounts. Lathyrus species grown in Turkey is reported to have low beta-ODAP and high protein content. In this study, antioxidant activities, phenolic profiles, beta-ODAP and protein contents of six Lathyrus taxa were investigated. Total phenolic content (TPC) in Lathyrus taxa used was ranging from 0.17 +/- 0.05 to 5.10 +/- 0.02. The antioxidant activities were observed in a wide interval that IC50 values were between 7.05 +/- 0.11 to 1.15 +/- 0.08 mg/mL. The highest TPC and antioxidant activity were recorded for L. clymenum. In HPLC analysis, gallic, p-hydroxybenzoic, caffeic, chlorogenic acid and epicatechin in all of the extracts were determined. Also, beta-ODAP and protein contents in seeds of the Lathyrus taxa were found between 0.20-1.18 mg/g and 22.66-29.74%, respectively. beta-ODAP contents of investigated Layhyrus taxa were within the safe consumption range in terms of health (<2.00 mg/g). The investigated Lathyrus taxa were found to be excellent protein sources with low beta-ODAP content and contain natural antioxidants. As a result, this study has provided important data for wild Lathyrus taxa to be used as a cheap protein source and functional food for promoting health.