Nutrient composition, oxalate content and nutritional ranking of ten culinary microgreens

September 08, 2020

Nutrient composition, oxalate content and nutritional ranking of ten culinary microgreens

 

 

Title: Nutrient composition, oxalate content and nutritional ranking of ten culinary microgreens

 

Authors: Manjula D. Ghoora, Dandamudi Rajesh Babu, N. Srividya

 

  1. Department of Food and Nutritional Sciences, Sri Sathya Sai Institute of Higher Learning (Deemed to be University), Anantapur, 515001, Andhra Pradesh, India

 

  1. Department of Chemistry, Sri Sathya Sai Institute of Higher Learning (Deemed to be University), Prasanthi Nilayam, 515134, Andhra Pradesh, India

 


Published: August 2020




Read or download the PDF: https://pubs.acs.org/doi/full/10.1021/acs.jafc.8b03096 from the The Journal of Agricultural and Food Chemistry 

 

Article Highlights

  • Nutritional profile reported in 10 microgreens belonging to 8 families.
  • First report on protein and dietary fibre profile in studied microgreens.
  • Nutrient quality score (NQS) reported for first time in microgreens.
  • Microgreens are rich sources of vitamin C, E and beta-carotene, and low in oxalates.
  • Radish, French basil and roselle were the most nutrient-dense microgreens.



Abstract: Microgreens are emerging functional foods of the 21st century. Compositional data of essential nutrients and anti-nutrient for ten culinary microgreens belonging to eight botanical families are reported in the present study. Microgreens were analysed for protein, dietary fibre profile, ICP-OES based elemental profile and ascorbic acid. Alpha-tocopherol and beta-carotene were analysed using HPLC-DAD. Nutrient Quality Score (NQS 11.2) was computed based on eleven desirable nutrients and two nutrients to be limited and reported for the first time in microgreens. The microgreens were found to be moderate to good sources of protein, dietary fibre and essential elements. They were excellent sources of ascorbic acid, Vitamin E and beta-carotene (pro-vitamin A), meeting 28–116 %, 28–332 %, and 24–72 % of reference daily intake of the respective vitamins. The study revealed low levels of oxalate, an anti-nutrient, in microgreens. Based on NQS 11.2, radish microgreens were found to be the most nutrient dense, followed by French basil and roselle microgreens. Least nutrient-dense microgreens were fenugreek and onion. The NQS 11.2 showed that all microgreens are 2–3.5 times more nutrient dense than spinach mature leaves cultivated under similar conditions. Overall, this study provided critical information useful in selecting microgreens for wholesome nutrition.



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