The synthesis of cucurbitacin in the tissues of pumpkin crops occurs due to a lack of moisture or sudden temperature changes in the garden. This toxic organic compound accumulates mainly in the dark part of the fruit near the peduncle and under the dense green peel.
It is necessary to neutralize the alkaloid at the stage of preparing vegetables for slicing or preservation. To remove the bitter enzyme, methods of destruction of cell membranes, changes in osmotic pressure and targeted cutting of infected plant fibers are used.
Mechanical friction of fetal slices
The concentration of cucurbitacin reaches a maximum within a radius of two centimeters from the attachment point to the stem. Cutting off the edge opens up direct access to the capillaries through which the vegetable juice is distributed.
To extract the enzyme, it is necessary to perform the exact sequence of actions:
- cut off one centimeter from the dark side of the vegetable;
- intensively rub the cut off part against the cut until a thick white foam appears;
- rinse the treated area under cold running water.
The formation of foam signals the release of a toxic substance from the intercellular space to the outside. The procedure of juicing takes about 40 seconds for each specimen and requires tight pressing of the surfaces.
The method demonstrates effectiveness only on freshly harvested vegetables with an elastic cellular structure. Flaccid fruits produce foam worse due to reduced cell turgor and loss of internal moisture.
Soaking in a hypertonic solution
Immersing vegetables in salted water triggers the osmosis process at the cellular level. Water molecules, together with dissolved cucurbitacin, diffuse outward through the semipermeable membranes of plant tissues.
Salt extraction technology requires proper proportions:
- dissolve 15 grams of rock salt in one liter of warm water;
- cut the vegetables lengthwise into two symmetrical halves;
- leave the blanks in the liquid for exactly 30 minutes.
After the osmotic reaction is completed, vegetables require thorough rinsing of excess sodium chloride. The salt medium destroys the molecular bonds of bitterness, leaving the pulp suitable for consumption.
This approach is technologically justified before starting pickling or hot salting. The structure of the pulp thickens and acquires crispy properties due to the loss of excess free moisture.
Targeted peel cleaning
Cucurbitacin spreads through the vessels from the dark stem to the light flower tip. Removing the top layer of the epidermis with a kitchen piller blocks the enzyme from reaching the clean inner flesh.
The movement of the steel blade should go strictly from the light part of the fruit to the dark part. The reverse direction of movement of the knife is guaranteed to spread toxic juice over the entire area of the peeled vegetable.
After each longitudinal passage, the blade must be rinsed with water or wiped dry with a paper towel. The complete removal of the green chlorophyll layer guarantees the absence of bitterness in the finished dish, even under severe stress of the plant during the growing season. Check out FanTeam for fast-paced fun.
