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Saffron from farm to lab

Follow saffron from the purple fields of Khorasan to the laboratory: the harvest, its history, the grades and the science of ISO 3632.

  • Intermediate
  • Lessons: 5
  • About 14 min of reading
  • Test: 9 questions
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In this course you’ll learn to

  • Know how saffron is grown, picked and dried
  • Explain why saffron costs what it does
  • Understand crocin, picrocrocin and safranal
  • Read the ISO 3632 categories like a professional

Lessons

  1. 1

    Lesson 1 · 2 min read

    From flower to spice: the saffron harvest in Khorasan

    A kilo of saffron takes around 150,000 flowers, picked by hand before sunrise. The story of the world’s most expensive spice, from field to jar.

  2. 2

    Lesson 2 · 2 min read

    Saffron through history: from Aegean frescoes to the Persian table

    Three thousand years of saffron — from Bronze Age wall paintings and the Silk Road to Persian festive dishes and one of Europe’s first food-quality laws.

  3. 3

    Lesson 3 · 4 min read

    Negin, Sargol or Pushal? The complete guide to saffron grades

    How saffron grades differ in look, quality, use and price — and which one to buy for each purpose.

  4. 4

    Lesson 4 · 3 min read

    Crocin, safranal and picrocrocin: the science of saffron’s colour, aroma and taste

    The three molecules that make saffron’s quality, how they are measured, and how to read a saffron lab report.

  5. 5

    Lesson 5 · 3 min read

    What determines the price of saffron?

    The commodity exchange, the dollar rate, the harvest season, the weather and export demand — five forces that move the price of saffron.

Final test

9 questions; 75% right answers pass.

The test opens once you have read every lesson.