葡萄富含有益于人体身心健康的多种元素,如维生素C、抗氧化剂,及其它多种维生素。多食用新鲜的葡萄,还有益于提高认知能力,改善视力和降低高血压。[1]
保鲜葡萄的方法有很多,下面就介绍几种。
步骤
部分
1
部分 1 的 3:
挑选新鲜的葡萄
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1
挑选绿皮且紧致的葡萄。皮呈红色且与果肉分离的葡萄,通常已经非常成熟,买回家后不能存放太久。
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2
观察葡萄的颜色,以辨别成熟度。通常绿色的葡萄应该发出亮亮的光泽,而红色或紫色的葡萄则发出较暗沉的光泽。[2]
- 不要购买颜色看起来怪怪的葡萄,很可能内部已经开始腐烂了。
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3
闻闻葡萄的香味。如果闻起来有股酸味,那么葡萄已经开始腐烂了。
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4
观察葡萄茎。如果茎很软,而且出现白色或灰色的斑点,那么不要挑选这串。因为出现灰白斑点的葡萄茎,往往预示着葡萄将会很快腐烂。
部分
2
部分 2 的 3:
合理保存葡萄
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1
一到家就把葡萄放进冰箱里。最好置于30~32华氏度(-1~0摄氏度)下。
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2
不要清洗葡萄,直接将其放进密封的塑料袋或罐子里。清洗葡萄会加速腐烂,通常清洗过后的葡萄最多只能存放七天。
- 如果你立马想冷冻葡萄,那么可以清洗。清洗过后,先将葡萄平铺在做饼干的吸水纸上,这样可以防止在冷冻的过程中粘连在一起。冷冻好后,再把它们装进密封罐里。[3]
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3
将葡萄放在冰箱的里层。通常,冰箱的里层较外面更冷,可以将葡萄保存至2~3星期。
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4
将整串的葡萄分成几小串。这样,存放的时候不会叠在一起,也就不易腐烂。
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5
不要将葡萄跟有味道的食物摆放一起,如洋葱、韭菜等等。因为葡萄善于吸收气味,如果摆放在有味道的食物旁边,葡萄就会吸收它们的气味,到时候会很难吃。
部分
3
部分 3 的 3:
解冻葡萄供食用
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1
在食用葡萄前,先清洗葡萄。用水可以洗掉葡萄表面的细菌和其它有害物质。
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2
从冰箱取出葡萄后的72小时内,要把葡萄吃完。从冰箱取出的72小时内,葡萄会开始脱水起皱,慢慢丧失营养成分。[4]
小提示
- 如果想在午餐时吃点冷冻的葡萄,最好在打包午餐前就开始把葡萄拿出里,放在室温下解冻。这样,在你吃午餐的时候,葡萄吃起来就会既冰爽又新鲜了。
警告
- 从树下采摘下来之后,葡萄就开始腐烂的过程了。所以一旦摘下,就把它放在冰箱里冷藏或冷冻,等吃之前再拿出里解冻,这样不至于烂掉。