Copernicia alba (Arecaceae) is a palm tree regionally known as carandá that forms large populations and produces abundant fruits, an important food source for the local fauna in Brazilian wetlands. The fruits present morphological variations regarding color, shape and dimensions. In this study fruits of different shapes were collected and processed following routine techniques in plant morphology, and biochemistry analysis of endosperm. (hemicellulose) The fruits isdark, of the berry type, with partially fibrous pericarp, rich in phenolic compounds; the ruminated seed coat also contains phenols; the endosperm, formed of cells with highly thickened, not lignified hemicellulosic walls, stores xyloses, proteins and lipids. The embryo is short and straight. Xylose is the leading sugar of xylan, which can be liberated by hydrolysis with specific enzymes, such as xylanases. This sugar is of interest in several industrial sectors, such as the production of biofuels and xylitol for foods. Excepting depth of seed rumination, C. alba fruits do not have relevant differences in anatomy and classes of substances detected. The fruit yield showed differences associated with its shape, indicating the best utilization. Considering fruit anatomical features and tissue composition, we highlight that the seeds of C. alba have the potential as a new functional food source.
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