根據棗果後期生長發育的特點,人們將棗果的成熟期劃分為白熟期、脆熟期和完熟期三個時期。白熟期棗果的特點是棗果大小、形狀基本固定,果皮綠色減退,呈綠白色,果實硬度大,果汁少,味略甜;脆熟期棗果的特點是果實半紅至全紅,果肉綠白色或乳白色,質脆汁多,甜味濃;完熟期棗果的特點是果肉變軟,果皮深紅、微皺,用手易將果掰開,味甘甜。
棗(zao)果(guo)的(de)采(cai)收(shou)時(shi)期(qi)要(yao)依(yi)據(ju)其(qi)具(ju)體(ti)用(yong)途(tu)而(er)定(ding)。用(yong)於(yu)加(jia)工(gong)蜜(mi)棗(zao)的(de)棗(zao)果(guo)要(yao)在(zai)白(bai)熟(shu)期(qi)采(cai)收(shou),此(ci)期(qi)果(guo)實(shi)體(ti)積(ji)不(bu)再(zai)增(zeng)大(da),肉(rou)質(zhi)已(yi)開(kai)始(shi)鬆(song)軟(ruan),汁(zhi)變(bian)少(shao),糖(tang)分(fen)含(han)量(liang)低(di),加(jia)工(gong)蜜(mi)棗(zao)時(shi)糖(tang)分(fen)易(yi)浸(jin)入(ru),且(qie)由(you)於(yu)果(guo)皮(pi)薄(bo)、柔韌,加工時不易脫皮,加工的成品質量好。用於鮮食的棗果或加工烏棗、醉棗的棗果宜在脆熟期采收。此期果實肉脆味甜,清新爽口,適口性最佳,加工的烏棗成品烏光發亮,黑裏透紅,棗肉緊實,不易變形、tuopi。jiagongdezuizaosezexianhong,fengweiqingxiang。yongyuzhigandezaoguoyidingyaozaiwanshuqicaishou,ciqiguoshiyichongfenchengshu,tangfenzhuanhuajibenjieshu,hantanglianggao,shuifenshao,zhiganlvgao,ganzhidechengpinsezezihong,guoroufeihou,fuyoudanxing,pinzhihao。
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