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Preparation method freeze-dried mulberry leaves and mulberry leaf product

A technology of mulberry leaves and freeze-drying, which is applied in the directions of food drying, food ingredients, and functions of food ingredients, etc., can solve the problems of destruction, failure to achieve hypoglycemic effect, etc., and achieve stable blood sugar level, good taste and color, and rich forms. Effect

Inactive Publication Date: 2019-09-13
高剑文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And these high-temperature treatment processes will cause great damage to the active ingredients in mulberry leaves that lower blood pressure and blood sugar, including the main alkaloid component DNJ
Most of the mulberry leaf products sold on the market can only reach 0.1% DNJ content (that is, the DNJ content per 1g dry product is 1mg), and even some products only have a small amount of DNJ, and the content can only reach 0.05%. Such low-content DNJ Mulberry leaf products simply cannot achieve a truly statistically significant hypoglycemic effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1. Mulberry leaf treatment process

[0044] 1. Raw material selection

[0045] Through the high-performance liquid phase detection method and scientific statistical principles, mulberry leaves with high natural DNJ content are selected as raw materials.

[0046] The detection method of DNJ content is as follows:

[0047] 1) Testing equipment and reagents

[0048]Japan Shimadzu LC-30AD high performance liquid chromatography, C18 chromatographic column; fluorenylmethoxycarbonyl chloride (FMOC-C1), hydrochloric acid, potassium borate (K3BO4), glycine, acetic acid are all analytically pure.

[0049] 2) Sample solution preparation

[0050] Soak 1g of mulberry leaves in 300mL of boiling water at 80°C for 25min, mix well, take samples, centrifuge at 3000r·min-1 for 5min, filter and set aside.

[0051] 3) Preparation of reference substance solution

[0052] Accurately weigh 10.0 mg DNJ reference substance, add distilled water to make 100 μg / mL stock solution; dilute the st...

Embodiment 2

[0074] The formula of mulberry leaf products is as follows:

[0075] Freeze-dried mulberry leaves 0.5g

[0076] Dried Hawthorn 1.2g

[0077] Chenpi 0.8g

[0078] The main effects of the product: lowering blood sugar and blood lipids, invigorating the stomach and eliminating food, regulating qi and reducing adverse reactions.

[0079] Among them, the tangerine peel adopts Xinhui tangerine peel, a special product of Xinhui District, Jiangmen City, Guangdong Province, and a product of China's national geographical indication. It has the functions of regulating qi and reducing adverse reactions, regulating middle-weight and appetizing, drying dampness and resolving phlegm. Dried hawthorn is a tree species unique to China with both medicinal and fruit functions. It has the effects of lowering blood fat, blood pressure, strengthening the heart, and antiarrhythmia. At the same time, it is also a good medicine for invigorating the spleen and appetizing, digestion and stagnation, p...

Embodiment 3

[0081] The formula of mulberry leaf products is as follows:

[0082] Freeze-dried mulberry leaves 0.5g

[0083] Wolfberry 1.2g

[0084] Chenpi 0.8g

[0085] The main effects of this product: lowering blood sugar, improving eyesight and nourishing kidney, drying dampness and resolving phlegm.

[0086] Among them, the wolfberry is Ningxia wolfberry, which is the only wolfberry variety listed in the "2010 Chinese Pharmacopoeia". It has a variety of health effects and is a dual-purpose food for medicine and food approved by the Ministry of Health. Appropriate consumption is good for health, nourishing liver and kidney, benefiting energy and improving eyesight. The tangerine peel adopts Xinhui tangerine peel.

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Abstract

The invention discloses a preparation method freeze-dried mulberry leaves. The preparation method comprises the steps as follows: a mulberry leaf material is placed a saline water to be soaked and sterilized, and low-temperature freeze-drying dehydration is performed after draining to obtain the freeze-dried mulberry leaves. The invention also provides the mulberry leaf product which at least comprises the freeze-dried mulberry leaves prepared by low-temperature freeze-drying dehydration. The method adopts saline water soaking and sterilization and low-temperature freeze-drying processing technologies and avoids loss of sugar reduction ingredients in mulberry leaves due to high-temperature treatment in traditional processes. The DNJ content in the prepared freeze-dried mulberry leaves canreach 1.5% of dry weight of mulberry leaves, and the DNJ content required by the sugar reduction effect can be met. The mulberry product has richer forms, and mulberry leaf tea has better taste and color than traditional tea.

Description

technical field [0001] The invention relates to the technical field of mulberry leaves and products thereof, in particular to a method for applying freeze-drying technology to mulberry leaf products. Background technique [0002] Mulberry leaves are the dry leaves of the Moraceae plant mulberry, also known as home mulberry leaves, mulberry leaves, etc. [15]. The shape of the mulberry leaves is wide oval, the length and width are about 15 cm and 10 cm respectively, and the petiole length is about 4 cm. Older leaves are thicker yellow-green. Young leaves are thin, light green, crisp and tender. The smell is fragrant, with a touch of bitterness. The original plant likes warm and humid climate, slightly shade tolerant, drought tolerant, not waterlogging resistant, strong adaptability to soil, and strong vitality. [0003] Mulberry leaves have been cultivated in my country for more than 4,000 years, and their medicinal value is mentioned in many works of traditional Chinese m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L5/10A23L5/20A23L33/00
CPCA23L5/276A23L5/10A23L33/00A23V2002/00A23V2300/10A23V2200/328
Inventor 高剑文
Owner 高剑文
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