The botany and composition of saffron

The scientific name for saffron is crocus sativus. It is both a bulbous and herbal plant. The lifespan of the saffron plant is 7 to 10 years. The brown bulb of the saffron plant belongs to the corm family. Each bulb grows into 6 to 9 thin, herbal leaves. In the autumn, one or two pink or purple colored flowers bloom from each corm. The pistil of the saffron flower is in the center and contains the ovary and the thin, yellow style growing inside. Saffron flowers have bright, red stigmas that are 20 to 30 mm in length. The stigma is the edible and commercial part of saffron. The stigma has many chemical components, such as:
carbohydrates, minerals, vitamins, pigment (especially crocin), essence (especially safranal) and flavorings (especially picrocin).

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