Mar Josiana Moreira, da Silva Laiane Souza, Moreira Wagner Picanço, Biondo Matheus Moraes, Pontes Flávia Lada Degaut, Campos Francinete Ramos, Kinupp Valdely Ferreira, Campelo Pedro Henrique, Sanches Edgar Aparecido, Bezerra Jaqueline de Araújo
Laboratory of Nanostructured Polymers (NANOPOL, @nanopol_ufam), Federal University of Amazonas, Manaus, Amazonas, Brazil.
Department of Pharmacy, Biosciences Laboratory and Mass Spectrometry, Federal University of Parana, Curitiba, Brazil.
Food Chem. 2021 Sep 15;356:129723. doi: 10.1016/j.foodchem.2021.129723. Epub 2021 Mar 29.
Theobroma speciosum, known as "cacauí" in Brazil, is considered a prominent unconventional food plant. The objective of this work was to evaluate the chemical profiles, antioxidant capacity and minerals of the aqueous extract and fractions from its flowers. The identified compounds were sugars, organic acids and phenolics compounds such as citric, malic and protocatechuic acids, quercetin, quercetin pentoside and quercetin-3-O-glucoside. The extract was rich in phenolic compounds (640 mg GAE g). Furthermore, fractions also presented phenolic compounds from 170.7 to 560.7 mg GAE g (mainly protocatechuic acid, quercetin and derivatives), which influenced on the high antioxidant capacity in DPPH, ABTS, FRAP and co-oxidation β-carotene/linolenic acid assays. Flowers presented potassium (115 ± 2 μg mL), magnesium (18.4 ± 0.2 μg mL), phosphorus (7.0 ± 0.0 μg mL) and calcium (3.1 ± 0.1 μg mL). Moreover, the flowers aqueous extract represents a new promising food source rich in antioxidant compounds.
可可树（Theobroma speciosum）在巴西被称为“cacauí”，被认为是一种重要的非常规食用植物。这项工作的目的是评估其花朵水提取物及其馏分的化学概况、抗氧化能力和矿物质。鉴定出的化合物有糖类、有机酸和酚类化合物，如柠檬酸、苹果酸和原儿茶酸、槲皮素、槲皮素戊糖苷和槲皮素 - 3 - O - 葡萄糖苷。提取物富含酚类化合物（640 mg GAE/g）。此外，馏分中也含有酚类化合物，含量为170.7至560.7 mg GAE/g（主要是原儿茶酸、槲皮素及其衍生物），这使得其在DPPH、ABTS、FRAP和β - 胡萝卜素/亚麻酸共氧化试验中具有较高的抗氧化能力。花朵中含有钾（115 ± 2 μg/mL）、镁（18.4 ± 0.2 μg/mL）、磷（7.0 ± 0.0 μg/mL）和钙（3.1 ± 0.1 μg/mL）。此外，花朵水提取物是一种富含抗氧化化合物的新的有前景的食物来源。
