[how is lotus lotus root boiled won’t blacken] – of the method of _ of _ changeless color that make

Article introduction

In daily life lotus lotus root is to belong to a kind of commonner food, the mouthfeel of lotus lotus root is relaxed and goluptious, already can cold and dressed with sause also can undertake stew orA falls in love with the sea to be the same as a city

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It is cooking, taste is exceedingly good, and lotus lotus root can appear easily after incision nigrescent circumstance, because place of air of bring into contact with of lotus lotus root is brought about,this is, and the method with not nigrescent lotus root of the lotus that boil has a lot of kinds, can use white vinegar bubble to be able to rise to prevent the situation that lotus lotus root blackens a little while first.

 How is lotus lotus root boiled won't blacken

How does lotus lotus root do not nigrescent: First boiled water irons lotus root

To maintain the whiteness of lotus lotus root, still a kind of method uses boiling water quick-boil to iron lotus lotus root first namely 70 seconds, the much more phenolic oxidation that can make lotus lotus root medium so is enzymatic lose active, restrained the course that much phenol changes to Kun thereby. Nevertheless, this kind of method applies to stew of lotus lotus root only, this law is used at lotus root of cold and dressed with sause piece can make its mouthfeel becomes poor, did not have clear tender sense.

How does lotus lotus root do not nigrescent: White vinegar immerses lotus root piece

Besides high temperature processing, add acidity material to also can bind the hands or feet with much more phenolic enzymatic oxidation appropriately. Add vinegar for instance land of very can old rate avoids the catalysis with much more phenolic enzymatic oxidation, make lotus lotus root maintains white colour and lustre. Method: Prepare a cold water, the white vinegar of certain amount is put in cold water, lotus lotus root is put immerse a little while among them, acidity material can restrain the catalysis with much more phenolic enzymatic oxidation, make lotus lotus root won’t nigrescent become angry, maintain white color.

 How is lotus lotus root boiled won't blacken

How does lotus lotus root do not nigrescent: Lotus root of saline leach bubble piece

After incision of lotus lotus root takes a skin easy be oxidized to become angry by air, the method with the best happening that should prevent this kind of situation lets oxygen of the isolation before lotus lotus root is being fried, become angry to prevent so a lotus root that has cut piece put clear water or immerse in brine, can avoid lotus root piece blacken.

How is lotus lotus root done notForum of Shanghai night net

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Nigrescent: Need not ironware boils lotus root

Scarcely of lotus lotus root should use ironShanghai Long Feng forum

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Implement boil, the lotus lotus root in iron bowl can compare stainless steel boiler medium lotus lotus root is more changeful black. The much more phenolic apperception that lotus lotus root blackens and contains among them is fried to learn material to concern in iron bowl, these fellow have a collective quality, can be united in wedlock with iron ion namely form or violet or blue coloured complexing content. The meeting after gallnut acid and iron ion combine one of rich much phenol in lotus lotus root forms the material of blue black, this can be bases of La Hei inky. So lotus lotus root does not use ironware to boil.

Why can lotus lotus root blacken

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We can discover when making lotus lotus root, lotus lotus root is in cooking process is very easy and nigrescent. Lotus lotus root is nigrescent because more phenol is contained in lotus lotus root,be kind material, below the action with the much more phenolic enzymatic oxidation that be in, can be become a kind by oxidation the name is ” Kun ” chemical material, these chemical material polymerization formed melanin, make lotus root piece blacken. Because lotus lotus root contains a lot ofiron to could there be with sheet character, very easy oxidation blackens after incision or flay, because oxidize,method prevents his and blacken.

 How is lotus lotus root boiled won't blacken

Does lotus lotus root blacken to still can eat

The lotus lotus root that buys is being put well blackened, after the boiler that use iron has been boiled, blackened even Shang Dou, can such lotus lotus root still eat? The lotus lotus root that wants you only isShanghai joins friendly community to touching with the city

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Fresh, that of course butForum of Shanghai night net

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In order to eat. Look on the reason that why can blacken from lotus root, blackening lotus lotus root can take. Of course, if because be put too for a long time,be,still eat, affirmation is not fresh, did not eat.

White lotus lotus root has blackened, should knowing this is lotus lotus root not just the change on the exterior, colour and lustre, also be nutrition of lotus lotus root the omen in loss. These nutrient material basically are lotus root medium reduced sugar, dissociate is much amino acid, more phenolic kind, lotus root blackened to be not stabilized and happen to be not brown of enzymatic or enzymatic hurried to change as a result of theirs, right now the nutrition of lotus root was reduced, effect of its preserve one’s health also sells at a discount greatly.