Legume
Lupinus angustifolius
A tier
Lupinus angustifolius is narrow-leaf or blue lupin—the backbone of Australian sweet lupin production and much modern lupin flour. Seeds are smaller than white lupini, often speckled or grey-brown, with relatively low alkaloids in sweet cultivars bred for food and feed. Australian food manufacturers use angustifolius flour in breads, snacks, and meat alternatives. Flavour is mild-beany and nutty when fresh. Species thrives in sandy soils and underpins large-scale, consistent culinary ingredient supply versus artisanal pickled albus.
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Characteristics
Preparations
Traits
History
Narrow-leaf lupins were known in European agriculture before Australian scale-up.
Australia commercialised sweet L. angustifolius on a vast scale.
Food-grade Australian lupin flour entered export markets.
Global plant-protein demand elevated angustifolius ingredient status.