十元六斤冷冻巨丰葡萄能吃吗?

2025-03-29 23:08:37
推荐回答(2个)
回答1:

能吃,你说的是葡萄保险的,下面我详细计算葡萄保险方法。工艺流程:选耐贮品种→采收→装箱→运输→整理→包装→预冷→入库→控制贮藏条件→适时结束贮藏。经多年的贮藏试验,我们总结技术要点如下:
  1、品种选择
  但耐贮性差异较大。一般来说,鲜食葡萄品种很多。早熟品种耐贮性差,中熟品种次之,晚熟品种耐贮。但也不尽如此,如晚熟品种中的大宝就不耐贮。果皮厚韧,果面及穗轴含蜡质,不易脱粒,果粒含糖量高的品种耐贮。同一品种不同结果次数,耐贮性也有较大差异,如巨峰葡萄的
2 3 次果就比
1 次果耐贮。近年来用冷库贮存的品种多为龙眼、玫瑰香、马奶、巨峰
2 次果、红地球、黑大粒、秋黑、瑞必尔等。
  2、采收
  不存在后熟过程,葡萄是非跃变型果实。用于贮藏的葡萄应在充分幼稚时采收,不发生冻害的前提下可适当晚采。因为晚采的葡萄,含糖量高,果皮较厚,韧性强,着色好,果粉多,耐贮藏。采前
7 10 天应停止浇水,如遇雨天则应推迟采收时间。采摘时最好在晴天的上午露水干后进行,若在阴雨天或有露水的时候采,果实带水容易腐烂。采收时应轻拿轻放,防止损伤,并尽量维护果实外表的果粉。采后挑选穗大、果粒紧密均匀、幼稚一致的果穗贮藏。凡破裂损伤,遭病虫损伤的果粒及青绿穗尖和未成熟的小粒均除去,然后按自然生长状态装箱。及时放置阴凉通风处,散去田间热,以免在高温下发酵变质。
  3、挑选,防腐,包装
  按自然生长状态摆放在内衬
0.02 0.04mm 厚的聚乙烯薄膜袋里
( 每箱
5 10kg 选果粒均匀、果穗紧凑、无病虫害及青绿粒和机械伤的果穗。用能释放SO2的亚硫酸盐类防腐(这是葡萄保鲜的必需环节),使用时应注意:
①放在箱的中上层,用有孔的塑料袋包药片。严格控制塑料袋上纸眼的大小和数量,使
SO2 缓慢释放,防止孔大
SO2 释放过快而使葡萄中毒,过小则达不到防腐保鲜目的。
②不要随意增减防腐剂的用量,用药少起不到防腐保鲜作用,用药过多又会造成SO2中毒。
③及时检查药剂释放状况。
  4、贮藏条件
  湿度
85% 95% O22% 5% CO23% 5% 温度以果梗不发生冻害为前提。葡萄采后要及时入库、预冷、快速降温,温度
-1 0 ℃。以降低其呼吸等代谢强度。湿度在
95% 以上时易导致多种病原菌产生,造成果梗霉变、果粒腐烂,低于
85% 则会使果梗失水。
  不只有呼吸跃变,葡萄果梗是果穗中生理活动最活跃的局部。且呼吸强度是果实
8 14 倍。气调贮藏可明显降低其呼吸强度,但不同品种对低
O2 高
CO2 敏感性差异很大,如巨峰,当
CO2 >
3% 时即发生果梗伤害。
  5、注意事项
  ①葡萄有发霉现象时要及时加工处理或销售。
  ②库温变幅控制在1℃之内,严禁波动过大。
  ③用于贮藏保鲜的葡萄,含糖量不低于16%。采前严禁施用植物生长调节剂(如2,4-D、色素等)。
  贮藏实践证明,在上述条件下贮藏5~7个月,葡萄的果梗新鲜、果肉饱满、无酒精味、涩味等。
鑫龙葡萄苗提供保鲜方法

回答2:

你来给我尝尝我看看能吃不能

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