Sweet almonds are nontoxic and edible. The dried seeds are oblate and heart-shaped, with a length of 1.6 ~ 2. 1 cm and a width of 1.2 ~ 1.6 cm. The top is pointed, the base is round, and the seeds are symmetrical. The seed ridge is obvious, and the seed coat is thicker than bitter almond and yellow-brown. Many dark brown veins are scattered at the intersection point, forming longitudinal concave veins. The cross section is white.

Common gaps at cotyledon junction. Slight breath, slightly sweet taste. Uniform and large particles, full and fat, oil-free is preferred. Because almonds are rich in protein, fat, sugar, carotene, B vitamins, vitamin C, vitamin P, calcium, phosphorus, iron and other nutrients. Among them, the content of carotene is second only to mango in fruit.

Extended data

Sweet almond has brown seed coat, white cross section and two cotyledons. Slight breathing and slight tongue pressure, middle cross section of sweet almond: a row of epidermal cells, scattered in oblong and oval shape, occasionally with shell-shaped and trapezoidal yellow stone cells, with the upper part protruding from the surface and the lower part buried in parenchyma.

The stone cells are 38 ~ 95 microns high and 30 ~ 57 microns wide, with a thin bottom wall. There are many pits, the top wall is thick, and there are few or no pits. Below is the vegetative layer of cell shrinkage, with tiny vascular bundles. Exoendosperm is a series of parenchyma cells; Endosperm is a row of square cells with fuzzy powder particles and fat oil inside. Cotyledon cells are round and polygonal with fuzzy granules and clusters.

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