医药冷库之速冻是一种快速冻结的低温保鲜法。所谓冷库速冻果蔬，就是将经过处理的果蔬原料，采用快速冷冻的方法，使之冻结，然后在-18°c～-20°c的低温下保存待用。

Quick freezing is a quick freezing and low temperature preservation method. The so-called cold storage frozen fruits and vegetables, that is, the processed fruits and vegetables raw materials, frozen by rapid freezing method, and then at -18 degrees C ~ -20 degrees C storage at low temperature stand-by.

速冻保藏，是当前果蔬加工保藏技术中能最大限度地保存其果蔬原有风味和营养成分较理想的方法。

Quick freezing preservation is the most ideal method to preserve the original flavor and nutritional components of fruits and vegetables at present.

一、选料

First, the choice of materials

加工速冻果蔬的原料要充分成熟，色、香、味能充分显现，质地坚脆，无病虫害、无霉烂、无老化枯黄、无机械损伤的果蔬作加工原料，最好能做到当日采收，及时加工，以保证产品质量。

Processing quick-frozen fruit and vegetable raw materials to fully mature, color, aroma and taste can fully show, firm crisp texture, no pests, no mildew, no aging, no mechanical damage of the yellow fruits and vegetables as raw material, it is best to do on the day of harvest, timely processing, to ensure the quality of products.

二、预冷

Two, precooling

刚采收的果蔬，一般都带有大气热及释放的呼吸热。为确保快速冷冻，必须在速冻前进行预冷。其方法有空气冷却和冷水冷却，前者可用鼓风机吹风冷却，后者直接用冷水浸泡或喷淋使其降温。

Freshly harvested fruits and vegetables usually carry the heat of the atmosphere and release the heat of the breath. In order to ensure quick freezing, pre cooling must be done before freezing. The method has air cooling and cold water cooling, the former can be blown and cooled by a blower, and the latter is directly cooled by cold water or sprayed to cool down.

冷库 三、清洗

Cold storage three, cleaning

采收的果蔬一般表面都附有灰尘、泥沙及污物，为保证产品符合食品卫生标准，冻结前必须对其进行清洗。尤其是速冷果蔬更应如此，因为速冻制品食用时不再清洗，所以此次清洗非常重要，万万不可疏忽大意。洗涤除了手工清洗，还可采用洗涤机(如转筒状、振动网带洗涤机)或高压喷水冲洗。

The fruits and vegetables are usually covered with dust, sediment and dirt. In order to ensure that the products meet the food hygiene standards, they must be cleaned before freezing. Especially the rapid cooling of fruits and vegetables should be more so, because eating quick-frozen products no longer clean, so the cleaning is very important, must not be careless. In addition to hand washing, washing machines can be used (such as drum, vibration nets belt washing machine) or high-pressure water jet washing.

四、切分

Four, segmentation

速冻果蔬有的需要去皮、去果柄或根须以及不能用的籽、筋等，并将较大的个体切分成大体一致，以便包装和冷冻。切分可用手工或机械进行，一般蔬菜可切分成块、片、条、段、丝等形状。要求薄厚均匀，长短一致，规格统一。浆果类的品种一般不切分，只能整果冷冻，以防果汁流失。

Frozen fruits and vegetables some need to peel and fruit stem or roots and can not be used for seed, bar and so on, and the larger individuals cut into roughly the same, so that the packaging and freezing. Segmentation can be done manually or mechanically, and vegetables can be cut into blocks, sheets, strips, sections, and filaments. Requirements of uniform thickness, the length of the same specifications. Berries are generally not segmented and can only be frozen whole fruit to prevent juice loss.

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