Bougainvillea glabra is a native plant of South America and it is popularly known as "Spring," "Three Marias," "Paper Flower" or "Buganvilia" (Abarca-Vargas & Petricevich, 2018; Sá, 2015). B. glabra bracts are an important source of betalains, responsible for the intense color of their bracts and the amount of phenolic compounds present in the plant, such as quercetin and kaempferol (Kumar,

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Native from South America, Bougainvillea glabra has characteristic bracts colors of several hues of pink, purple, and yellow, attributed to the presence of betalains (Kumar et al., 2013;Soares et al., 2017).Nitrogenous and water-soluble compounds can be found in B. glabra in the form of pink betacyanins and yellow betaxanthins, as well as phenolic compounds (Abarca-Vargas & Petricevich, 2018). These substances have attracted the interest of researchers, not only due to their ability to act as a colorant but especially to the beneficial health properties associated with their consumption, highlighting their high antioxidant potential (Albano et al., 2015;Khatabi et al., 2016). Thus, the betalains can be used as substitutes to synthetic colorants, currently incorporated in commercial formulations,

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