Il bunga telang (Clitoria ternatea) è noto in inglese come butterfly pea (lett. ‘pisello farfalla’), pisello blu o pisello cordofan. Si tratta di una specie vegetale che appartiene alla famiglia delle Fabaceae. La forma dei fiori di questo rampicante ricorda l’organo genitale femminile umano, da lì il nome latino del genere, Clitoria. Come indicato nel nome latino, il bunga telang ebbe origine nell’isola di Ternate (Gilolo compreso), nell’Indonesia orientale, e si diffuse per tutta l’Asia sud-orientale e in altri continenti. Di solito cresce spontaneamente ai confini delle foreste o vicino alle sponde dei fiumi. È coltivato anche come pianta ornamentale. In quanto legume, è piantato anche per fissare l’azoto.
La caratteristica che più colpisce in questa pianta sono i suoi fiori dal colore blu intenso, con sfumature bianche. I frutti sono dei baccelli schiacciati lunghi 5 -7 cm, che contengono da 6 a 10 semi per baccello. Possono essere consumati freschi se teneri. Anche i fiori sono commestibili e hanno un sapore delicato e dolce. Possono anche essere fritti. La cosa più stupefacente è che si può cambiare il suo colore dal blu al rosa! Basta aggiungere un ingrediente acido come succo di lime o succo di limone e l’azzurro si trasformerà istantaneamente in un bel viola.
Questo fiore e’ ricco di sali minerali, sostanze nutritive e ricchissimo di flavonoidi un antiossidante naturale per combattere i radicali liberi. Viene usato sopratutto in Asia, dove i fiori possono essere utilizzati per preparare un tè dal colore blu acceso, o come colorante naturale in altre ricette (solitamente il riso). Si trova online, non a prezzi modici, ma la curiosità di usarlo in cucina ne vale il costo.
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