荸荠罐头加工制作简单,设备投资不大,产品销路好。因此,发展罐头加工业,对于农村搞活经济、脱贫致富是一条好门路。其主要操作技术要领与方法如下:一、原料加工荸荠应选用球茎稍大,形状扁圆,皮色紫红,皮薄且肉质嫩脆,淀粉含量少,味甜,食无残渣,每公斤约50～70粒的荸荠为原料。对于皮厚肉质硬,富有淀粉,味道差,食有残渣的荸荠不宜选用。选料时应注意荸荠要新鲜,采收季节适宜,并除尽破损、烂、病虫害、果实横径小于30毫米的小荸荠,确保原料均匀整齐。 Canned water chestnuts production simple, small investment in equipment, products sell well. Therefore, the development of canned food processing industry is a good way for rural areas to invigorate the economy and eliminate poverty and get rich. The main operating techniques and methods are as follows: First, the processing of raw water chestnuts should be slightly larger, oblate shape, skin color purple, thin skin and meat tender and crisp, less starch content, sweet, without residue, about 50 ~ 70 tablets of water chestnuts as raw material. For thick skin hard meat, rich in starch, bad taste, eating a residue of water chestnuts should not be used. The choice of materials should pay attention to water chestnuts to be fresh, harvest season suitable, and in addition to make damage, rotten, pests and diseases, fruit diameter less than 30 mm small water chestnuts, to ensure uniform and tidy raw materials.