Grffn are UK partners with the Bionutrient Food Association and their open source, collaborative project the Real Food Campaign (US).  This project aims to develo an affordable, handheld scanner that will test food in real-time for it’s nutrient density. The intention is to set the standard for nourishing, nutrient dense fruits and vegeatables so both growers and citizens can make informed choices about the quality of the food they grow and eat.

Since 2017 the RFC partners have built over 300 handheld spectrometers for testing purposes, initiated a citizen science project and tested over 3,000 samples comprising carrots & spinnach (2018) plus lettuce, kale, cherry tomatoes and grapes (2019). Read the 2019 report here

Key findings from 2019 may surprise you:

  • On soil, and management we have found quite solid positive connections between cover crops and no or minimal till and nutrients.
  • Negative correlations show up with hydroponics and greenhouse grown. Certified organic is right around the median, and organic but not certified shows reasonably well.
  • Taste can serve as a useful indicator in predicting nutrient content in produce.