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An anthocyanin beverage and applications of red elephant grass (pennisetum purpureum schumab cv) in the preparation of the anthocyanin beverage

A technology of red elephant grass and anthocyanins, applied in the field of agricultural and sideline product processing, to achieve the effects of good taste, easy industrial development, and high yield

Active Publication Date: 2013-04-24
AGRI ECOLOGY INST FUJIAN ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, red elephant grass is only used as pasture grass for cattle, sheep, rabbits and other livestock and poultry, and has not been applied to the development and preparation of beverages.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 2

[0031] The licorice, peppermint, citric acid, chitosan, stevioside, and sorbic acid are food-grade, mainly used to adjust the mouthfeel; EDTA and D-sodium erythorbate are analytically pure, and mainly play a color-fixing role; EDTA is ethylenediamine tetraacetic acid. All the above food additives are solid.

[0032] The role of each food additive is as follows:

[0033] Citric acid: used as flavoring agent and stabilizer in food and beverage industry.

[0034] Peppermint: Adds fragrance.

[0035] Chitosan: Chitosan and its derivatives have good antibacterial activity, can inhibit the growth and reproduction of some fungi, bacteria, and viruses, and have antiseptic effects.

[0036] EDTA: stabilizer.

[0037] Stevioside: Natural sweetener, increases sweetness.

[0038] D-sodium erythorbate: antioxidant, antiseptic preservative.

[0039] Sorbic acid: Antiseptic preservative.

[0040]

[0041] The third embodiment of the present invention provides the application of red el...

specific Embodiment approach 3

[0042] The preparation technology of described beverage specifically comprises the following steps:

[0043] ① Beating: choose freshly washed stems and / or leaves of red elephant grass as raw materials. Before beating, it is best to cut the stems and / or leaves of freshly washed red elephant grass to facilitate beating. Then add water and beat according to the weight ratio of red elephant grass: pure water = 1:2-4 to obtain a slurry mixture. When beating, use a beater to beat the stems and / or leaves of red elephant grass into fibrous strands, usually using a beater at 3500 rpm for 8-10 minutes to complete the beating process.

[0044] ②Leaching: firstly extract the slurry mixture obtained in step ① at 50-70°C with volatile organic solvent ethanol for more than 1 hour, then filter and collect to obtain a primary extract, and then filter the filtered residue with 4-6 times The weight of pure water is leached at 50-70 °C for more than 1.5 hours, and the filter residue is filtered...

Embodiment 1

[0054] ① Beating: Cut the freshly washed stems and / or leaves of Red Elephant Grass into 2-3cm stem segments. After that, add water and beat according to the weight ratio of red elephant grass: pure water = 1:3, and use a beater at 3500 rpm for 9 minutes to obtain a slurry mixture.

[0055] ②Leaching: First, mix the slurry mixture obtained in step ① with 85% ethanol aqueous solution at 60°C according to the volume ratio of 4 parts of slurry mixture: 1 part of ethanol aqueous solution, reflux for 1 hour, and then filter Collect the primary extract, then extract the filtered filter residue with 5 times the weight of pure water at 60°C for 1.5 hours, filter and discard the filter residue to obtain the secondary extract;

[0056] 3. Filtration: After combining the primary extract and the secondary extract obtained in step 2, filter with an 8000Da membrane, discard the filter residue to obtain the extract of Red Elephant Grass.

[0057] 4. mixing and blending: the extract of Red El...

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PUM

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Abstract

The present invention relates to an anthocyanin beverage and applications of red elephant grass (pennisetum purpureum schumab cv) in the preparation of the anthocyanin beverage. The anthocyanin beverage is characterized in that red elephant grass extract is used as the main ingredient in the beverage. According to the present invention, based on characteristics of red elephant grass such as being easy to grow, high in yield, good in quality, anthocyanin-containing, etc., a raw material which is easy to subject to industrial development for anthocyanin beverage products is found; and the anthocyanin beverage produced is not only low in cost, but also nutritious and free of pesticide residues.

Description

technical field [0001] The invention relates to an anthocyanin beverage and the application of red elephant grass in the preparation of anthocyanin beverage, which belongs to the field of agricultural by-product processing. Background technique [0002] Anthocyanidin, also known as anthocyanidin, is a kind of water-soluble natural pigment widely present in plants in nature, belonging to flavonoid compounds. Anthocyanins are also the main coloring substances in plant petals, and most of the colorful colors of fruits, vegetables, and flowers are related to them. Anthocyanin is a pure natural anti-aging nutritional supplement. Studies have proved that it is the most effective antioxidant found by humans today. Its antioxidant performance is fifty times higher than vitamin E and twenty times higher than vitamin C. It can be detected in blood within 20 minutes after taking it. Anthocyanins are known as "oral skin cosmetics" in Europe, especially blueberry anthocyanins, which ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/38A23L1/29A23L33/00
Inventor 陈钟佃黄勤楼张丽梅黄秀声冯德庆黄毅斌钟珍梅
Owner AGRI ECOLOGY INST FUJIAN ACADEMY OF AGRI SCI
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