Calories in Pears

What makes pears so powerful?

Pears belong to the Rosaceae family, making them close botanical relatives of apples, roses, and almonds. Unlike most fruits, pears are harvested when mature but still firm and unripe; if left to ripen on the tree, their interior develops a gritty, stone-cell texture called sclereids that creates an unpleasant, sandy mouthfeel. Instead, they are picked green and ripened off the tree at cool temperatures, a process that allows starches to convert to sugars uniformly. A unique characteristic of pear flesh is the presence of these sclereids, which are specialized cells with thick, lignified walls that provide structural support and give pears their distinctive, slightly granular texture even when perfectly ripe. The grit is most concentrated near the core. Furthermore, pears ripen from the inside out, so by the time the stem end yields to gentle pressure, the flesh beneath the skin is already at peak softness. This evolutionary trait likely helped protect the seeds from predation while the fruit was still developing, ensuring the core remained protected until the seeds were fully viable.