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Profiling of naturally occurring folates in a diverse soybean germplasm by HPLC-MS/MS

  • Kwadwo Gyapong Agyenim-Boateng
  • , Shengrui Zhang
  • , Md Shariful Islam
  • , Yongzhe Gu
  • , Bin Li
  • , Muhammad Azam
  • , Ahmed M. Abdelghany
  • , Jie Qi
  • , Suprio Ghosh
  • , Abdulwahab S. Shaibu
  • , Berhane Sibhatu Gebregziabher
  • , Yue Feng
  • , Jing Li
  • , Yinghui Li
  • , Chunyi Zhang
  • , Lijuan Qiu
  • , Zhangxiong Liu
  • , Qiuju Liang
  • , Junming Sun

Research output: Contribution to journalArticlepeer-review

Abstract

Soybean is a rich source of folates. We optimised the extraction and detection of folates from soybean seeds by HPLC-MS/MS and analysed the folate content and composition of 1074 accessions. Total folate content ranged from 64.51 to 691.24 μg/100 g fresh weight, with 10-fold variation, and 60 elite accessions with over 400 μg/100 g of total folate were identified. The most abundant component was 5-CHO-H4folate, which accounted for an average of 60% of total folate content. Seed-coat colour, seed weight, ecoregion, and accession type significantly affected soybean folate content. Furthermore, 5-CH3-H4folate correlated positively with seed protein (r = 0.24***) and negatively with oil (r = -0.26***). The geographical distribution of folate according to accession origin revealed that accessions from Northeast China contain higher amounts of total folate and 5-CHO-H4folate. This study provides comprehensive and novel insights into the folate profile of soybean, which will benefit soybean breeding for folate enhancement.

Original languageEnglish
Article number132520
JournalFood Chemistry
Volume384
DOIs
StatePublished - 1 Aug 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Ltd

Keywords

  • 10-Formyl-folic acid (PubChem CID: 135405023)
  • 5,10-Methenyl-tetrahydrofolate (PubChem CID: 135398657)
  • 5-Formyl-tetrahydrofolate (PubChem CID: 135403648)
  • 5-Methyl-tetrahydrofolate (PubChem CID: 135483998)
  • Acetonitrile (PubChem CID: 6342)
  • Dihydrofolate (PubChem CID: 135398604)
  • Elite accessions
  • Folate
  • Folic acid (PubChem CID: 135398658)
  • Formic acid (PubChem CID: 284)
  • Germplasm
  • HPLC-MS/MS
  • Methotrexate (PubChem CID: 126941)
  • Natural variation
  • Sodium ascorbate (PubChem CID: 23667548)
  • Sodium phosphate dibasic (PubChem CID: 24203)
  • Sodium phosphate monobasic (PubChem CID: 23672064)
  • Soybean (Glycine max L. Merrill)
  • Tetrahydrofolate (PubChem CID: 135444742)
  • α-Amylase (PubChem CID: 62698)
  • β-Mercaptoethanol (PubChem CID: 1567)

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science

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