一、北京马牙白枣起源历史悠久,1300年前的打枣谱即有记载。果实小,是不规则的长卵形或长锥形,果顶略歪斜,不对称,纵径3.1～3.5厘米,横径1.5～2.1厘米,平均果重8克,大果重10克,大小较整齐。汁液中多,味较甜,含可溶固形物38.62%、酸0.67%,可食率92.8%,维生素C264毫克/100克以上, First, the Beijing horse teeth jujube dates have a long history, 1300 years ago that play dates records. The fruit is small, is irregular long oval or long taper, the top of the fruit a little skewed, asymmetric, vertical 3.1 to 3.5 cm in diameter and 1.5 to 2.1 cm in diameter, the average fruit weight of 8 grams, 10 grams of fruit weight, size More neat. More juice, sweet taste, soluble solids containing 38.62%, acid 0.67%, 92.8% edible rate, vitamin C264 mg / 100 grams or more,