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Preparation method of compound instant Zijuan (camellia sinensis var. asssamica) tea powder with high anthocyanin content

An instant tea powder, high anthocyanin technology, applied in the field of nutritious tea powder, can solve the problems of limited anthocyanin content and difficulty in making it, and achieve the effects of reducing oxidation loss, increasing anthocyanin content, and avoiding pollution

Active Publication Date: 2017-08-22
昆明七彩云南庆沣祥茶业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anthocyanins have the functions of anti-oxidation, scavenging free radicals, protecting cardiovascular and cerebrovascular, protecting liver, promoting blood circulation, alleviating allergies, anti-radiation, protecting eyesight, anti-cancer and suppressing cancer, and preventing and treating various diseases. , but the anthocyanin content in a single Zijuan tea is very limited, it is difficult to become an ideal anti-aging health tea drink

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] ① Beating: Select fresh, mature, undamaged black wolfberry, wash it, add 0.03% vitamin C by weight of black wolfberry to get black wolfberry pulp;

[0018] ②Coarse extraction: Add 2.5% dilute hydrochloric acid solution to the black wolfberry pulp, use 30-35kHz ultrasonic treatment at a weight-volume ratio of 1:4.5 (g / ml) below 50°C, extract for 16 minutes, and filter, so Repeat the extraction 3 times to obtain a crude extract, and make the extraction value of the pigment reach 96%.

[0019] ③ Concentration: Concentrate the crude extract under low-temperature vacuum until the volume is 1 / 3 of the original volume to obtain a concentrated extract;

[0020] ④Spray drying: Chop Zijuan tea leaves to a particle size of 3mm, add to 10 times the weight of the aqueous solution, and stir and extract at 18°C ​​for 2 to 3 hours; fully mix the concentrated black wolfberry extract with Zijuan tea juice, and stir evenly , under the conditions of hot air inlet temperature of 100°C and ...

Embodiment 2

[0023] ① Beating: Select fresh, mature, undamaged black wolfberry, wash it, add vitamin C with 0.04% of the weight of black wolfberry to obtain black wolfberry pulp;

[0024] ②Coarse extraction: Add 3% dilute hydrochloric acid solution to the black wolfberry pulp, use 30-35kHz ultrasonic treatment at a weight-volume ratio of 1:5 (g / ml) below 50°C, extract for 14 minutes, and filter, so Repeat the extraction 3 times to obtain a crude extract, and make the extraction value of the pigment reach 96%.

[0025] ③ Concentration: Concentrate the crude extract under low-temperature vacuum until the volume is 1 / 3 of the original volume to obtain a concentrated extract;

[0026] ④Spray drying: Chop Zijuan tea leaves to a particle size of 6mm, add them to 14 times the weight of aqueous solution, and stir and extract at 25°C for 3 hours; fully mix the concentrated extract of black wolfberry with Zijuan tea juice, stir evenly, and Under the condition of hot air inlet temperature of 110°C a...

Embodiment 3

[0029] ① Beating: Select fresh, mature, undamaged black wolfberry, wash it, add 0.05% vitamin C by weight of black wolfberry to obtain black wolfberry pulp;

[0030] ②Coarse extraction: add 3% dilute hydrochloric acid solution to black wolfberry pulp, use 30-35kHz ultrasonic treatment at a weight-to-volume ratio of 1:5.5 (g / ml) below 50°C, extract for 13 minutes, and filter. Repeat the extraction 3 times to obtain a crude extract, and make the extraction value of the pigment reach 96%.

[0031] ③ Concentration: Concentrate the crude extract under low-temperature vacuum until the volume is 1 / 3 of the original volume to obtain a concentrated extract;

[0032] ④Spray drying: Chop Zijuan tea leaves to a particle size of 5mm, add them to 15 times the weight of aqueous solution, and stir and extract at 28°C for 2.5 hours; fully mix the concentrated extract of black wolfberry with Zijuan tea juice, and stir evenly. Under the conditions of hot air inlet temperature of 105°C and outle...

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Abstract

The present invention discloses a preparation method of compound instant Zijuan (camellia sinensis var. asssamica) tea powder with high anthocyanin content, mainly relates to the technical field of agricultural and sideline product deep processing, and particularly relates to a method of extracting anthocyanin from black Chinese wolfberry fruits and compounding the anthocyanin with the tea powder extracted from the Zijuan tea and containing nutrients of anthocyanin, tea polyphenols, caffeine, zinc, etc. Firstly, vitamin C is added into the fresh black Chinese wolfberry fruits, the black Chinese wolfberry fruits are broken to prepare black Chinese wolfberry fruit slurry, an ultrasonic treatment is conducted to obtain a crude extract, the crude extract is subjected to a vacuum and low temperature concentration to obtain concentrated liquid, the black Chinese wolfberry concentrated extract liquid is mixed evenly with Zijuan tea juice, and the mixture is spray-dried to obtain the compound instant Zijuan tea powder. The prepared product is green and environmentally friendly, less in vitamin C and anthocyanin loss, stable in anthocyanin storage, high in tea polyphenol content, and good in anti-aging health-care effects, and can effectively maintain soup color and aroma of original tea leaves after brewing.

Description

technical field [0001] The present invention mainly relates to the technical field of deep processing of agricultural and sideline products, in particular to a kind of tea powder which extracts anthocyanins from black wolfberry and extracts them from Rhododendron tea, which contains nutrients such as anthocyanins, tea polyphenols, caffeine and zinc. The method to make it delay aging, improve eyesight, strengthen and enhance the effect of anti-radiation. Background technique [0002] Black wolfberry, also known as Mingmu fruit, vision fruit, the king of anthocyanins. The nature and taste are sweet and flat, according to traditional Chinese medicine, it can nourish the liver and kidney, benefit essence and eyesight, nourish blood, and enhance people's immunity. Black wolfberry is rich in protein, wolfberry polysaccharides, amino acids, vitamins, minerals, trace elements and other nutrients. According to scientific testing, its calcium, iron, and nicotinic acid contents are 2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/34
CPCA23F3/34
Inventor 田军万云龙孙顺文
Owner 昆明七彩云南庆沣祥茶业股份有限公司
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