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Longjing tealeaves long-acting fresh keeping agent and preparation method thereof

A technology for preservatives and tea, applied in the field of preservatives, can solve the problems of easy deterioration of tea leaves, large loss, and single means of preservation, and achieve the effects of improving antioxidant properties, reducing losses, and making up for the lack of polyphenols.

Inactive Publication Date: 2017-11-24
陇南市朝华茶叶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a long-acting preservative for Longjing tea leaves and its preparation method in view of the shortcomings of the prior art, such as single fresh-keeping means, excessive loss in the low-temperature storage and fresh-keeping process, and easy deterioration of tea leaves during storage.

Method used

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  • Longjing tealeaves long-acting fresh keeping agent and preparation method thereof
  • Longjing tealeaves long-acting fresh keeping agent and preparation method thereof
  • Longjing tealeaves long-acting fresh keeping agent and preparation method thereof

Examples

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Effect test

Embodiment 1

[0026] A long-acting preservative for Longjing tea leaves, consisting of the following raw materials in parts by weight: modified nano-TiO 2 42 parts, 38 parts of BiOI, 37 parts of bean dregs powder, 37 parts of cassava dregs, 20 parts of tea polyphenols, 16 parts of citric acid, 14 parts of chitosan, 13.5 parts of ascorbic acid, 12 parts of apple juice, 8 parts of schisandra, 7.2 parts of medlar , Pinellia 7.2 parts, Yizhiren 7.2 parts, Bai Fuling 6 parts, Betaine 3 parts, NaSO 4 1 serving.

[0027] The preparation method of described Longjing tea long-acting antistaling agent, comprises the steps:

[0028] 1) Nano-TiO 2 Dissolve in the mixed solution of styrene and acrylate copolymer and absolute ethanol, stir evenly, disperse by ultrasonic for 20-25min, under the protection of helium, react at intervals of 15-18h at 95-100℃, every 2h , stop intermittently for 10 to 15 minutes, and after the reaction is over, separate the solid particles in a centrifuge to obtain particle...

Embodiment 2

[0032] A long-acting preservative for Longjing tea leaves, consisting of the following raw materials in parts by weight: modified nano-TiO 2 49 parts, 42 parts of BiOI, 40 parts of bean dregs powder, 40 parts of tapioca dregs, 23.5 parts of tea polyphenols, 21.5 parts of citric acid, 16.7 parts of chitosan, 15.8 parts of ascorbic acid, 14.5 parts of apple juice, 11 parts of schisandra, 10.2 parts of wolfberry , 10.2 parts of pinellia, 10.2 parts of Yizhiren, 7.5 parts of white poria cocos, 4.2 parts of betaine, NaSO 4 1.7 servings.

[0033] The preparation method of the Longjing tea long-acting antistaling agent is the same as in Example 1.

Embodiment 3

[0035] A long-acting preservative for Longjing tea leaves, consisting of the following raw materials in parts by weight: modified nano-TiO 2 56 parts, 46 parts of BiOI, 43 parts of bean dregs powder, 43 parts of cassava dregs, 27 parts of tea polyphenols, 27 parts of citric acid, 19.5 parts of chitosan, 18 parts of ascorbic acid, 17 parts of apple juice, 814 parts of schisandra, 13.2 parts of wolfberry , 13.2 parts of pinellia, 13.2 parts of Yizhiren, 9 parts of white poria cocos, 5.5 parts of betaine, NaSO 4 2.5 servings.

[0036] The preparation method of the Longjing tea long-acting antistaling agent is the same as in Example 1.

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Abstract

The invention discloses a Longjing tealeaves long-acting fresh keeping agent and a preparation method thereof, which belong to the technical field of fresh keeping agents. The Longjing tealeaves long-acting fresh keeping agent is prepared from the following raw materials: modified nano, BiOI, bean dregs powder, manioc waste, tea polyphenol, citric acid, chitosan, ascorbic acid, apple juice, schisandra chinensis, fructus lycii powder, rhizoma pinelliae, fructus alpiniae oxyphyllae, white poria cocos, betaine and NaSO4. The fresh keeping agent provided by the invention is simple in preparation method, and the prepared fresh keeping agent has high utilization rate. By utilizing the fresh keeping agent, the soup color, fragrance and taste of the tealeaves can meet the long-term demand of people for the tealeaves. The Longjing tealeaves fresh keeping agent can obviously prolong the storage time of longjing tea, the storage time is increased from 36 to 38 days to 70 to 74 days, and the economic benefit is apparent.

Description

technical field [0001] The invention belongs to the technical field of antistaling agents, and in particular relates to a long-acting antistaling agent for Longjing tea leaves and a preparation method thereof. Background technique [0002] Longjing tea is a famous traditional Chinese tea and one of the famous green teas. Produced in Longjing Village, West Lake, Hangzhou, Zhejiang Province, it has a history of more than 1,200 years. Longjing tea is emerald green in color, rich in aroma, mellow and refreshing, and shaped like a sparrow's tongue. It has the four unique characteristics of "green in color, rich in fragrance, sweet in taste and beautiful in shape". Exciting, diuretic, strong heart and antispasmodic, inhibiting arteriosclerosis, antibacterial, antibacterial, weight loss, anti-caries, inhibiting cancer cells, promoting body fluid and quenching thirst, and anti-oxidation. Longjing green tea contains more chlorophyll, amino acids, catechins, vitamin C and other ingr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/3472
CPCA23L3/3472
Inventor 马汉祥马朝华马春娟马莉庭马新华马丽珍卜菊琴卜旭
Owner 陇南市朝华茶叶有限公司
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