A method for removing arsenic in apple juice

A technology for apple juice and astringent persimmons, which is applied to the field of removing arsenic in apple juice, can solve the problems of destroying the components and taste of apple juice, and removing apple juice when it is uncomfortable, and achieves the effects of good taste effect, simple method and reduced production cost.

Active Publication Date: 2018-02-13
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods are used to remove arsenic in wastewater, but are not suitable for removing arsenic in apple juice, because these methods will destroy the composition and taste of apple juice.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Taking Jinping persimmon as an example, the immature persimmon fruit harvested in early September is used as raw material. The persimmon fruit is green. The fruit is washed, cut into pieces and beaten, and then vacuum freeze-dried (-54℃, 1.0pa, 24h) into astringent persimmon powder. At this time, the soluble tannin content of persimmon powder is 89.7mg / g; weigh 2.0g astringent persimmon powder and add 200g of an apple juice raw juice (solid content 12.2%, pH 3.96), stir for 15min; then pass the apple juice to 300 The astringent persimmon powder was filtered through a mesh screen, and then filtered through a 0.45μm micromembrane and then sterilized and filled. The arsenic content of apple juice was reduced from 0.43μg / kg to 0.08μg / kg.

Embodiment 2

[0019] Take the small calyx persimmon as an example. The immature persimmon fruit harvested in late August is the raw material. The persimmon fruit is green. The fruit is washed, cut into pieces and beaten, and then vacuum freeze-dried (-54℃, 1.0pa, 24h) into astringent persimmon powder. At this time, the soluble tannin content of persimmon powder is 93.7mg / g; weigh 0.5g of astringent persimmon powder and add 200g of an apple juice raw juice (solid content 11.3%, pH 3.82), stir for 25min; then pass the apple juice through The astringent persimmon powder was filtered through a 300-mesh gauze, and then filtered through a 0.45μm micromembrane and then sterilized and filled. The arsenic content of apple juice was reduced from 0.41μg / kg to 0.07μg / kg.

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PUM

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Abstract

The present invention discloses a method for removing arsenic in apple juice. Astringent persimmon fruit powder is added into the apple juice to absorb arsenic. The used astringent persimmon fruit powder is made by beating the astringent persimmon fruits and vacuum freeze-drying the beat astringent persimmon fruits. The weight ratio of the astringent persimmon fruit powder to the apple juice is 1 : (100-400), the stirring time is controlled at 5-30 min, and the filtration removes the astringent persimmon fruit powder. The apple juice arsenic removing method is simple, the arsenic removal efficiency is high, the flavor and taste of the apple juice do not change after the removal of arsenic, and the method can be widely used in the production of apple juice.

Description

Technical field [0001] The invention relates to a method for removing arsenic in apple juice, in particular to a method for removing arsenic in apple juice by using astringent persimmon powder as an adsorbent. Background technique [0002] Arsenic is a strong carcinogen, and its toxicity is closely related to the content and chemical form of arsenic. Arsenic compounds are widespread in the soil and come from a wide range of sources, such as industrial polluted water irrigation, pesticide use, livestock and poultry manure, chemical fertilizers, etc., which increase the arsenic content in the soil and enter the fruits and vegetables after being absorbed during the growth of fruits and vegetables. Therefore, arsenic contamination of fruit and vegetable products has become a public health issue of widespread concern. [0003] my country is a major exporter of apple juice, mainly to the United States, South Africa, Canada and other countries. The United States exports the largest amoun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L2/70A23L2/80A23L2/74
CPCA23L2/70A23L2/74A23L2/80
Inventor 张雪丹辛力陶吉寒鲁墨森王传增张琼范昆
Owner SHANDONG INST OF POMOLOGY
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