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Grape destemming machine manufacturers give everyone the difference between grape destemming and non-stemming
Release time:
2022-02-08
Grape destemming machine manufacturers will introduce the difference between grape destemming and non-stemming. Grape pretreatment generally refers to a series of processing processes after grape harvest and before fermentation, including stem removal, screening, crushing, etc., simply The computers that will run these processes are defined as follows:
Grape stemming machine manufacturers will introduce the difference between grape stem removal and non-stem removal
Grape pretreatment generally refers to a series of treatment processes carried out after harvest and fermentation, including stem removal, screening, crushing, etc., simply define the computer running these processes as follows:
Grape destemmer: A device that separates grape grains (berries) from the stalk and removes the stalk that is detached from the grape grain.
Grape destemmer: a device used to remove the remaining plant parts (remaining grape stems, petioles and leaves, etc., debris, insects, snails, etc., bad grapes, immature or diseased grapes) after removing the stems.
Grape destemmer: A device that connects a sorting machine (machine) after the destemmer.
This series of articles introduces the cutting-edge progress of grape stem sorting and crushing technology in the past 10-15 years, introduces the equipment and principle, and combines video image implementation, this article mainly introduces the progress of the stem and the stem sorting compounder, in addition to the stem, in addition to the stem, in addition to VS stem, most of the domestic production areas want to try to remove the stem, to avoid the bitterness and grassy taste brought by the fruit stem, but removing the stem and not removing the stem have their own advantages and disadvantages.
Benefits of stem removal:
1. The grape stemmer reduces the volume of fermentation and pressing (the fruit stem accounts for about 3~6% of the total mass, which is 20% of the total volume, and removing the fruit stem means improving the efficiency of the fermentation tank and compressor.
2. Reduce bad flavor (bitter, green odor, etc.).
3. The management of the dander cap is easy (especially when the bottle cap needs to be pressed in the early stage of fermentation, if the stem exists in the dander cap, it will be more difficult to press the bottle cap).
4. The grape stemmer increases the concentration of alcohol and color (because the stem of the fruit contains a lot of water, it will concentrate the juice and wine a little compared to removing its water.
Benefits of grape stemmers not removing stems:
1. The (flavonoids) in the fruit stem help to improve the antioxidant properties and color stability of wine.
2. Reduce acidity.
3. Easy fermentation management) Due to the existence of fruit stems, the firmness of the dander cap can be reduced to a certain extent, and at the same time, the fruit stem can partially absorb the heat of fermentation, which is convenient for temperature control.
4. Improve the juice yield during pressing (the presence of fruit stalks during pressing is equivalent to providing a channel for the circulation of juice and wine.
5. Sometimes sparkling wine should not be made or carbon dioxide maceration techniques used to remove the stems.
6. Grape destemming machineAccording to the poor quality destemming machine, sometimes seriously damage or break the fruit stem, releasing more bad flavor substances than without stemming.
In general, with the development of stem removal technology and the preference for sensory taste, the current trend of fruit stem removal around the world is increasing.
Key words:
葡萄除梗机
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