What kind of dried fruit is the "real" healthy dried fruit? Is it crisp jujube? Preserved fruit?


Release time:

2021-11-09

大家都知道,适当吃新鲜的蔬果健康益处多。有时候吃水果不是很方便,朋友们灵机一动皮,想到了方便易携的水果干。 不过,由水果经过脱水干燥而制成的果干,营养还好吗?还是留下的都是精华了?什么样的水果干才是“真正”的果干?大家吃的果脯是果干吗? 一、真正的好“果干”,是这样的 果干的加工工艺主要有烘干、真空脱水和油炸。做法不同,营养上差距也很大。 前两种方式(有烘干或真空脱水)制得的果蔬干基本不需要额外添加糖、油等成分,只是将水果(片)脱水浓缩得到果干,例如市售的很多干枣、葡萄干等就是这种。还有很多朋友自己用烤箱DIY的苹果干、猕猴桃干也属于这类。 对于以上这种单纯脱水干制的果干,虽然一些比较娇气的营养素如维生素C、多酚等抗氧化物质会有一定的损失,不过大部分营养成分还“健在”,这种就属于真正意义上的“果干”,里面还是很有“料”的: 首先,水果中的膳食纤维,尤其是果皮中的膳食纤维在这种果干中依然保留,而膳食纤维对于精白米面吃得比较多的现代人而言弥足珍贵。 再者,水果中的钾镁等矿物质含量大增。例如每100克新鲜葡萄钾含量平均为104毫克,而每100克葡萄干的钾含量高达995毫克,所以各种果干是补钾良好的来源之一。 另外,有些红色、蓝色、紫黑色等颜色较深的水果干,还富含花青素、番茄红素等抗氧化物质,有一定的保健价值,如蓝莓干、黑加仑干、红提子干等。 更为果干“加分”的是,干制之后,果干中容易刺激消化道粘膜的单宁类物质减少,更适合胃肠功能弱、吃水果怕凉的人。另外对于运动后需要“高碳水”饮食的健身者,果干方便及时补充糖分还补充一些矿物质,一举多得。 二、以下这些不是真正的“果干” 如果是油炸脱水的方式制得的水果干,则会使得本来脂肪含量不到1%的水果,变成脂肪含量10%甚至15%以上的果干,如某些香蕉干、苹果干、脆枣等就属于这类。这种水果干的特点是酥香脆,拿在手里还有些油乎乎的痕迹。 还有一些朋友误把果脯当作“果干”。事实上,果脯属于限制级别的零食。因为果脯加工时需要经过高浓度的糖液糖渍(一般要65%以上的糖溶液),使得果脯外观晶莹剔透、里面味道很甜,甚至掩盖了原料水果的味道。所以有的果脯即便用了一些品质相对差的水果作为原料,也很难尝出来。 因为高浓度的糖溶液有一定防腐效果,所以果脯一般不添加防腐剂,不过也有一些低糖果脯里会适当添加防腐剂。另外为了让其颜色更漂亮,果脯中还会添加一些色素。果脯在加工中维生素C、多酚等几乎损失殆尽,更重要的是额外加了很多精致糖,大量吃易引起龋齿、肥胖等。 三、果干最大劣势是糖高,不是多多益善 尽管真正的“果干”有一定营养优势,也不可多吃。因为大多数果干经过干制浓缩后,含糖量在80%左右,且是分子量比较小的精制糖。一般的水果属于低GI(血糖生成指数)食物,而果干大都属于中GI食物,吃多了不仅热量高,且升高血糖的速度比较快。 一般,果干每天吃1—2次,每次一小把就可以。而且,吃了果干之后其他含糖高的食物要控制,并且最好少吃一部分主食,防止热量超标。 另外,吃了果干之后注意及时刷牙漱口防止损害牙齿。 四、选购果干一定看营养标签 特别提醒大家,选购果干一定看营养标签。如果是油炸工艺制作的果干,其配料表中大都含有“植物油”等油脂字样,同时其营养成分表中脂肪含量也不低。 另外有的制品虽然不是油炸工艺制作的,然而依然会额外加入糖、食品添加剂等来改善其色香味等品质,如菠萝片、猕猴桃干等这种大多属果脯、蜜饯类,不同于果干。

As we all know, the health benefits of eating fresh fruits and vegetables. Sometimes it is not very convenient to eat fruit. My friends have a brainwave and come up with dried fruit that is convenient and easy to carry.

 

however, is the nutrition of dried fruit made by dehydrating and drying fruits good? or is the essence left behind? what kind of dried fruit is the "real" dried fruit? is the preserved fruit eaten by everyone?

 

 

1. really good "dried fruit" is like this

 

The processing technology of dried fruit mainly includes drying, vacuum dehydration and frying. Different practices, the nutritional gap is also very large.

 

Dried fruits and vegetables prepared by the first two methods (drying or vacuum dehydration) basically do not need to add additional sugar, oil and other ingredients, but only dehydrate and concentrate fruits (pieces) to obtain dried fruits, such as many dried dates and raisins on the market. There are also many friends who use their own oven DIY dried apples and kiwi fruit also belong to this category.

 

For the above-mentioned dried fruit with simple dehydration, although some of the more delicate nutrients such as vitamin C, polyphenols and other antioxidants will have a certain loss, but most of the nutrients are still "alive", this belongs to the real sense of "dried fruit", which is still very "material:

 

First of all, the dietary fiber in fruits, especially the dietary fiber in the peel, is still retained in this dried fruit, and dietary fiber is precious to modern people who eat more refined rice noodles.

 

Furthermore, the content of minerals such as potassium and magnesium in fruits has increased greatly. For example, the average potassium content per 100 grams of fresh grapes is 104 mg, and the potassium content per 100 grams of raisins is as high as 995 mg, so various dried fruits are one of the good sources of potassium supplement.

 

In addition, some dark dried fruits such as red, blue, purple and black are also rich in antioxidants such as anthocyanins and lycopene, which have certain health value, such as dried blueberries, dried black currants, and dried red raisins. Wait.

 

What is more "extra points" for dried fruits is that after drying, the tannins in dried fruits that are easy to stimulate the mucosa of the digestive tract are reduced, which is more suitable for people who have weak gastrointestinal function and are afraid of cold when eating fruits. In addition, for fitness people who need a "high-carbohydrate" diet after exercise, dried fruits are convenient and timely to supplement sugar and some minerals, which can do more with one stone.

 

 

 

2. the following are not true "dried fruit"

 

If it is fried and dehydrated to make dried fruits, fruits with a fat content of less than 1% will become dried fruits with a fat content of 10% or even more than 15%, such as some dried bananas, dried apples, crisp dates, etc. This dried fruit is characterized by crisp and crispy, with some oily traces in the hand.

 

 

Some friends mistakenly treat preserved fruit as "dried fruit". In fact, preserved fruit belongs to the restricted level of snacks. Because the preserved fruit processing needs to go through a high concentration of sugar solution (generally more than 65% sugar solution), making the preserved fruit crystal clear in appearance, sweet in taste, and even cover up the taste of raw fruits. Therefore, even if some preserved fruits are used as raw materials with relatively poor quality, it is difficult to taste them.

 

 

Because the high concentration of sugar solution has a certain antiseptic effect, so preserved fruit generally do not add preservatives, but there are also some low sugar preserved fruit will be appropriate to add preservatives. In addition, in order to make its color more beautiful, preserved fruit will add some pigment. In the processing of preserved fruit, vitamin C, polyphenols, etc. are almost lost, and more importantly, a lot of delicate sugar is added, which can easily cause dental caries and obesity.

 

The biggest disadvantage of 3. dried fruit is that it is high in sugar, not that more is better.

 

Although the real "dried fruit" has certain nutritional advantages, it should not be eaten more. Because most dried fruits are dried and concentrated, the sugar content is about 80%, and it is refined sugar with relatively small molecular weight. General fruits belong to low GI (glycemic index) food, while dried fruits belong to medium GI food. Eating more is not only high in calories, but also increases blood sugar faster.

 

 

In general, eat dried fruit 1-2 times a day, each time a small handle can be. Moreover, after eating dried fruit, other foods with high sugar content should be controlled, and it is best to eat less staple food to prevent excessive calories.

 

In addition, after eating dried fruit, pay attention to brushing your teeth and gargling in time to prevent damage to your teeth.

 

4. buy dried fruit must look at the nutrition label

 

Special remind everyone, buy dried fruit must look at the nutrition label. If it is a dried fruit made by frying process, most of its ingredients list contains the words "vegetable oil" and other fats, and the fat content in its nutritional composition table is not low.

 

In addition, although some products are not made by frying process, sugar and food additives will still be added to improve their color, flavor and other qualities, such as pineapple slices and dried kiwi fruit, which are mostly preserved fruits and candied fruits, which are different from dried fruits.

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