Impact of Betaine Under Salinity on Accumulation of Phenolic Compounds in Safflower (Carthamus tinctorius L.) Sprouts

Author:

Kim Nam Su1,Kim Jae Kwang2,Sathasivam Ramaraj3,Park Hong Woo4,Nguyen Bao Van1,Kim Min Cheol3,Cuong Do Manh3,Chung Yong Suk5,Park Sang Un13ORCID

Affiliation:

1. Department of Smart Agriculture Systems, Chungnam National University, Daejeon, Republic of Korea

2. Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, Republic of Korea

3. Department of Crop Science, Chungnam National University, Daejeon, Republic of Korea

4. Forest Medicinal Resources Research Center, National Institute of Forest Science, Yeongju, Republic of Korea

5. Department of Plant Resources and Environment, Jeju National University, Jeju, Republic of Korea

Abstract

It has been assumed that abiotic stresses often lead to osmotic and ionic stress in plants either inducing or reducing secondary plant metabolites. Therefore, the influence of NaCl, glycinebetaine (betaine), and NaCl with betaine on the growth and variation in the accumulation of phenolic compounds was investigated in safflower ( Carthamus tinctorius L.). The growth pattern of safflower sprouts was significantly influenced by these treatments. It was found that with increases in the concentration of NaCl, all growth parameters steadily decreased, but growth was markedly increased by adding different concentrations of betaine, especially at 0.5 mM, which produced the highest growth in terms of different growth parameters. High-performance liquid chromatographic (HPLC) analysis revealed changes in 7 different phenolic compounds in response to different treatments. After treatment with up to 200 mM NaCl, the levels of catechin, ferulic acid, benzoic acid, and kaempferol increased, whereas the levels of the remaining phenolic compounds, especially chlorogenic acid, and p-coumaric acid were reduced. Our results suggest that the growth suppression due to salinity stress is decreased in the sprouts of safflower by adding betaine.

Funder

national research foundation of korea

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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