Selenium-rich green tea with blood pressure reducing effect and selenium-rich planting and re-drying aroma-improving processing method of selenium-rich green tea

A technology of selenium-enriched green tea and planting method, which is applied in fertilization methods, pre-extraction tea treatment, nitrogen fertilizer, etc., can solve the problems of weak selenium-enriching ability and insignificant increase of selenium content, and achieves rich aroma, long-lasting tea aroma and good quality. The effect of the application foreground

Pending Publication Date: 2022-05-13
SHANGHAI NORMAL UNIVERSITY +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a selenium-enriched green tea with blood pressure lowering effect and its selenium-enriched The processing method of planting and re-drying to enhance fragrance, the preparation process is as follows: figure 1 As shown, the selenium content of tea leaves prepared by this method is relatively high, reaching the selenium-enriched tea selenium content standard, and the effect of lowering blood pressure is good

Method used

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  • Selenium-rich green tea with blood pressure reducing effect and selenium-rich planting and re-drying aroma-improving processing method of selenium-rich green tea
  • Selenium-rich green tea with blood pressure reducing effect and selenium-rich planting and re-drying aroma-improving processing method of selenium-rich green tea
  • Selenium-rich green tea with blood pressure reducing effect and selenium-rich planting and re-drying aroma-improving processing method of selenium-rich green tea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A selenium-enriched planting method of selenium-enriched green tea with hypotensive effect:

[0047] 1) The glucosamine selenium stock solution with a selenium content of 500mg / L is completely dissolved in water with 18 times the quality, and is prepared into an aqueous solution of selenium fertilizer;

[0048] 2) From the beginning of budding of the tea trees in the tea garden, the selenium fertilizer aqueous solution is applied once every 5 days. The amount of each fertilization is 1.0kg glucosamine selenium per mu of tea garden. Weather spraying selenium fertilizer;

[0049] 3) After spraying the aqueous solution of selenium fertilizer for 5 times, fresh tea leaves with one bud and two leaves and one bud with three leaves were picked to obtain fresh tea leaves rich in selenium.

[0050] A processing method of selenium-enriched green tea with blood pressure lowering effect, comprising the following steps:

[0051] 1) Spread and wither the fresh selenium-enriched tea...

Embodiment 2

[0055] A selenium-enriched planting method of selenium-enriched green tea with hypotensive effect:

[0056] 1) The glucosamine selenium stock solution with a selenium content of 600mg / L is completely dissolved in water of 20 times the quality, and is prepared into an aqueous solution of selenium fertilizer;

[0057] 2) From the beginning of the budding of the tea trees in the tea garden, the selenium fertilizer aqueous solution is applied once every 6 days. The amount of each fertilization is 1.2kg glucosamine selenium per mu of tea garden. Weather spraying selenium fertilizer;

[0058] 3) After spraying the selenium fertilizer aqueous solution for 4 times, fresh tea leaves with one bud and two leaves and one bud with three leaves were picked to obtain fresh selenium-enriched tea leaves.

[0059] A method for re-drying and improving the aroma of selenium-enriched green tea with blood pressure lowering effect, comprising the following steps:

[0060] 1) Spread and wither the fr...

Embodiment 3

[0064] A selenium-enriched planting method of selenium-enriched green tea with hypotensive effect:

[0065] 1) The glucosamine selenium stock solution with a selenium content of 400mg / L is completely dissolved in water of 16 times the quality, and is prepared into an aqueous solution of selenium fertilizer;

[0066] 2) One month before the budding of the tea tree, the selenium fertilizer aqueous solution was drip-irrigated on the soil within a radius of 10 cm from the tea tree, and the amount of selenium fertilizer for root drip irrigation was 3 kg of glucosamine selenium per mu of tea garden;

[0067] 3) Picking fresh tea leaves with one bud and two leaves and one bud and three leaves to obtain fresh selenium-enriched tea leaves.

[0068] A method for re-drying and improving the aroma of selenium-enriched green tea with blood pressure lowering effect, comprising the following steps:

[0069] 1) Spread and wither the fresh selenium-enriched tea leaves at a height of 10cm, and...

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Abstract

The invention belongs to the technical field of selenium-rich tea planting and processing, and provides selenium-rich green tea with a blood pressure reducing effect and a selenium-rich planting and re-drying aroma-enhancing processing method thereof. A glucosamine selenium fertilizer aqueous solution is applied to leaf surfaces or roots of tea trees, so that the selenium element of the tea leaves is greatly increased; the selenium-rich green tea is prepared from the picked fresh tea leaves through the procedures of withering, steam fixation, rolling and deblocking, re-drying and aroma enhancement and the like. The selenium fertilizer glucosamine selenium adopted by the invention is organic selenium, has no accumulated toxicity to a human body, and is safer compared with an inorganic selenium fertilizer; compared with an existing tea selenium enrichment technology, the technology has the advantage that the tea selenium enrichment capacity is higher. In-vitro and in-vivo experiments show that the selenium-enriched green tea has a remarkable blood pressure lowering effect, and the blood pressure lowering activity of the selenium-enriched green tea is obviously higher than that of common green tea. The selenium-rich green tea prepared by the invention not only supplements selenium necessary for human bodies, but also can assist in maintaining blood pressure balance after being drunk for a long time, and has a good application prospect in hypertensive patients.

Description

technical field [0001] The invention belongs to the technical field of selenium-enriched tea planting and processing, and relates to a selenium-enriched green tea with the effect of lowering blood pressure and a processing method for selenium-enriched planting, re-drying and aroma enhancement. Background technique [0002] Tea is the second largest beverage in the world next to water. It is mainly composed of tea polysaccharides, tea polyphenols, caffeine, minerals, amino acids and carbohydrates. It has the functions of stimulating the central nervous system, improving immunity, anti-oxidation, and regulating glucose and lipid metabolism. disorder and other functions to meet the needs of different groups of people. Drinking tea can help prevent or reduce the risk of cardiovascular disease, especially high blood pressure. Polyphenols extracted from green tea reduce blood pressure in spontaneously hypertensive rats. Tea rich in GABA can reduce blood pressure and prevent the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01C21/00A23F3/06A23F3/12C05C11/00C05G5/20
CPCA01G17/005A01C21/005C05C11/00C05G5/20A23F3/06A23F3/12
Inventor 王元凤魏新林程利增汤小娟栗芳斓吴美荣
Owner SHANGHAI NORMAL UNIVERSITY
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