Zhangshu black peanuts from the shell, black peanuts and ordinary peanuts are no different, but peel off the shell, purple-black peanut coat wrapped around the full and slender and two pointed particles, showing that it is different. The peanut kernel into the mouth slowly chewing and savoring, immediately, a light sweetness in the mouth came to life, a long fragrance into the heart.
(1) external sensory characteristics: Zhangshu peanut fruit shape small and medium-sized, cocoon shape, pods neat and full, thin shell, shallow reticulation, to double kernel fruit, kernel rate is high. Zhangshu peanut kernel full, thin seed coat, light red, delicate taste, sweet flavor.
(2) Inherent quality indicators: total protein content ≥ 28%; pure kernel rate ≥ 70%; fatty acid components: ≥ 12% soft stearic acid, stearic acid ≤ 4%, oleic acid content ≥ 46%, linoleic acid content ≥ 33%, linolenic acid ≥ 1.0%.
(3) Quality and safety requirements: the quality of Zhangshu peanuts meets the requirements of GB/T1532 "Peanuts"; the environment of origin meets the requirements of NY/T5010 "Environmental Conditions of Hazardous Agricultural Products Cultivated in the Place of Origin" and is updated with the standard modification and change; the quality and safety control meets the requirements of NY/T2798.2 "Hazardous Agricultural Products Production Quality and Safety Control Technical Specifications Part 2: Field Crop Products".
Zhangshu peanuts are mainly produced in 19 townships (townships and farms) under the jurisdiction of Zhangjiashan Street Office, Jinglou Township, Liugongmiao Township, Linjiang Township, Choushang Township, Wu Chengcheng Township, Changfu Township, Huangtugang Township, Zhongzhou Township, Yicheng Township, Guanshang Township, Daqiaoda Street Office, Dianxia Township, Geshang Township, Yongtai Township, Yanghu Township, Shuangjin Garden Farm of Jiangxi Province, Zhangshu Experimental Forestry Field, Zhangshu Horticultural Farm and so on.