Processing method for preventing secondary muddying of wild blueberry clear juice

Abstract

The invention relates to a processing method for preventing secondary muddying of wild blueberry clear juice. The processing method comprises the following steps of adding vitamin C (VC) into pulped and broken fresh blueberries, adding pectinase to carry out enzymolysis, squeezing blueberry pulp, after being subjected to the enzymolysis, in a squeezing machine to obtain blueberry juice, carrying out high-temperature enzyme deactivation on the blueberry juice, adding the pectinase and amylase to carry out secondary enzymolysis, adding acid proteinase to carry out the enzymolysis, filtering by utilizing a diatomite filtering machine to obtain blueberry clear juice after the enzymolysis, preserving the blueberry clear juice at a low temperature after carrying out high-temperature sterilization on the blueberry clear juice, carrying out chill filtering by utilizing a paperboard filtering machine, and carrying out filling so as to obtain the blueberry clear juice product. According to the blueberry clear juice prepared by utilizing the processing method, a secondary muddying phenomenon of the blueberry clear juice is effectively avoided, and the appearance quality of the product is improved, the processing method is simple, the preparation cost is low, the taste of the product is good, the nutrition is rich, and the blueberry clear juice is beneficial to human bodies.

Description

technical field

[0001] The invention relates to a processing method for preventing secondary turbidity of clear wild blueberry juice, belonging to the technical field of food processing. Background technique

[0002] Blueberry belongs to Rhododendronaceae and Vaccinium subfamily Vaccinium genus. It is an evergreen or deciduous shrub-type fruit tree with significant differences in tree size and shape. The height of the tree is from 5m to 0.3m. It is clustered for many years, with evergreen and deciduous leaves. The single leaves are alternate, the leaves are entire or serrated, and the corolla is often altar-shaped or bell-shaped. The petals are united at the base, with 4 or 5 lobes on the outer edge, white or pink, with 8 to 10 stamens, shorter than the style, pollinated by insects or wind, and the inflorescences are mostly racemes. The fruit of most species is blue-black when ripe, and some species are red; the fruit is spherical, oval, oblate or pear-shaped, and the avera...

Examples

Embodiment 1

[0031] A processing method for preventing secondary turbidity of clear wild blueberry juice, comprising the following steps:

[0032] (1) Material preparation: take 20kg of fresh wild lowbush blueberries that are free from rot, deterioration and pests, rinse them with clean water and drain;

[0033] (2) Pulping: The wild lowbush blueberries cleaned in step (1) were beaten and crushed, and 10 g of vitamin C (VC) was added after crushing, and the pulp was continued for 3 minutes to obtain blueberry pulp.

[0034] (3) Enzymolysis: Heat the blueberry pulp prepared in step (2) to 50°C, add 10g of pectinase UltraColor, and keep enzymatic hydrolysis at 50°C for 1 hour;

[0035] (4) Juicing: put the blueberry pulp after the enzymatic hydrolysis in step (3) into a press and squeeze directly to obtain blueberry squeeze liquid and squeeze residue;

[0036] (5) Secondary enzymatic hydrolysis: heat the blueberry squeeze liquid obtained in step (4) to 85°C to inactivate the enzyme, and the...

Embodiment 2

[0042] A processing method for preventing secondary turbidity of clear wild blueberry juice. The processing method is the same as that described in Example 1, except that the continuous beating time in step (2) is 2 minutes.

Embodiment 3

[0044]A processing method for preventing secondary turbidity of clear wild blueberry juice, the processing method is as described in Example 1, the difference is that the continuous beating time in step (2) is 5 minutes.

technical field

[0001] The invention relates to a processing method for preventing secondary turbidity of clear wild blueberry juice, belonging to the technical field of food processing. Background technique

[0002] Blueberry belongs to Rhododendronaceae and Vaccinium subfamily Vaccinium genus. It is an evergreen or deciduous shrub-type fruit tree with significant differences in tree size and shape. The height of the tree is from 5m to 0.3m. It is clustered for many years, with evergreen and deciduous leaves. The single leaves are alternate, the leaves are entire or serrated, and the corolla is often altar-shaped or bell-shaped. The petals are united at the base, with 4 or 5 lobes on the outer edge, white or pink, with 8 to 10 stamens, shorter than the style, pollinated by insects or wind, and the inflorescences are mostly racemes. The fruit of most species is blue-black when ripe, and some species are red; the fruit is spherical, oval, oblate or pear-shaped, and the avera...

Examples

Embodiment 1

[0031] A processing method for preventing secondary turbidity of clear wild blueberry juice, comprising the following steps:

[0032] (1) Material preparation: take 20kg of fresh wild lowbush blueberries that are free from rot, deterioration and pests, rinse them with clean water and drain;

[0033] (2) Pulping: The wild lowbush blueberries cleaned in step (1) were beaten and crushed, and 10 g of vitamin C (VC) was added after crushing, and the pulp was continued for 3 minutes to obtain blueberry pulp.

[0034] (3) Enzymolysis: Heat the blueberry pulp prepared in step (2) to 50°C, add 10g of pectinase UltraColor, and keep enzymatic hydrolysis at 50°C for 1 hour;

[0035] (4) Juicing: put the blueberry pulp after the enzymatic hydrolysis in step (3) into a press and squeeze directly to obtain blueberry squeeze liquid and squeeze residue;

[0036] (5) Secondary enzymatic hydrolysis: heat the blueberry squeeze liquid obtained in step (4) to 85°C to inactivate the enzyme, and the...

Embodiment 2

[0042] A processing method for preventing secondary turbidity of clear wild blueberry juice. The processing method is the same as that described in Example 1, except that the continuous beating time in step (2) is 2 minutes.

Embodiment 3

[0044]A processing method for preventing secondary turbidity of clear wild blueberry juice, the processing method is as described in Example 1, the difference is that the continuous beating time in step (2) is 5 minutes.

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