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Horseradishtree leaf water-soluble extractive with good mouth feel, characteristic horseradishtree leaf taste and taste similar to tea, and extraction method of extractive

A technology of water-soluble extract and Moringa leaf, which is applied in the field of extraction technology and food, and can solve problems such as poor taste

Inactive Publication Date: 2018-02-16
KUNMING INST OF BOTANY - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a method for extracting a Moringa leaf extract with good mouthfeel. The Moringa leaf extract obtained by the method has both a characteristic Moringa leaf taste, a sweet aftertaste, and a taste similar to tea. Solve the problem of poor taste of current Moringa related products

Method used

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  • Horseradishtree leaf water-soluble extractive with good mouth feel, characteristic horseradishtree leaf taste and taste similar to tea, and extraction method of extractive
  • Horseradishtree leaf water-soluble extractive with good mouth feel, characteristic horseradishtree leaf taste and taste similar to tea, and extraction method of extractive
  • Horseradishtree leaf water-soluble extractive with good mouth feel, characteristic horseradishtree leaf taste and taste similar to tea, and extraction method of extractive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Extraction process: weighing plant material→reflux extraction→filtering→combining filtrates→concentrating under reduced pressure→freeze-drying→calculating yield→sensory evaluation→water solubility evaluation→choose the optimal process for 3 repeated experiments.

[0019] Sensory evaluation method: The extract is accurately weighed and formulated into a certain concentration to be tested. The sensory evaluation team composed of professional screening evaluates the taste activity of the samples, and each sample is repeated 3 times.

[0020] Extraction of ethanol and water extract: get dried Moringa oleifera leaves, pulverize, cross 20 mesh sieves, accurately weigh 50g, totally 5 parts, use 95%, 80%, 50%, 30% ethanol-water cold soaking extraction and Distilled water heating and reflux extraction (both 500ml, sequentially numbered A-E), extraction times 3 times, filtered, combined filtrates, concentrated under reduced pressure to a small volume, dried with a freeze dryer, to...

Embodiment 2

[0036] Analysis of the volatile components of the extract:

[0037] Analytical instrument: Agilent 7890A-5975C gas chromatography-mass spectrometry (GC-MS).

[0038] Solid phase microextraction equipment: supelco solid phase microextraction handle and adsorption column.

[0039] GC-MS analysis method: gas phase conditions: chromatographic column: Agilent 19091J-115, HP-5 (5% PhenylMethyl Siloxan, 50m×0.32mm×0.52μm); inlet temperature: 250°C; oven temperature program: 40°C Keep for 5 minutes, then rise to 250°C by 5 degrees per minute, and keep for 10 minutes; injection volume: 1 microliter; split ratio: splitless; inlet pressure: 87 kPa; flow rate: 1.8 ml / min.

[0040] Mass spectrometry conditions: ionization mode EI, electron bombardment energy 70eV, scanning range 20-500nm; quantitative method: relative peak area normalization method; spectral library: NIST 08.

[0041] Sample collection: Accurately weigh 2g of the extract ⑤ in Example 1, put it in a 10ml headspace bottle,...

Embodiment 3

[0047] Moringa leaf extract drink:

[0048] Formula: Moringa leaf extract 0.25%, white sugar 2%, honey 0.8%, citric acid 0.005%, edible purified water. The moringa leaf extract, white granulated sugar, honey and citric acid are accurately weighed in proportion and dissolved in purified drinking water, filled and sterilized to obtain the natural moringa leaf extract beverage.

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Abstract

The invention discloses horseradishtree leaf water-soluble extractive with a good mouth feel, a characteristic horseradishtree leaf taste and a taste similar to tea, and an extraction method of the extractive. The extraction method adopts a method of distilled water heating reflux extraction, and optimal extraction process conditions for horseradishtree leaves are as follows: a solid-liquid ratiois 1:20; extraction time is 30 minutes; and extraction frequency is 3 times. Under the conditions, the yield of repeated experiments is stable. According to taste activity evaluation, the extractive obtained under the extraction conditions can be well dissolved in cold water; a solution is clear; the aqueous solution is in a faint yellow and clear state, has the characteristic horseradishtree leaftaste, a sweet aftertaste and the taste similar to tea soup, and is healthier and more environmentally friendly with the absence of an organic solvent. The method can be applied to the deep processing of a horseradishtree leaf tea, the development of horseradishtree leaf beverages, and can also be applied to the food additives of horseradishtree leaf foods and the horseradishtree leaf beverages.

Description

Technical field: [0001] The invention belongs to the field of extraction technology and food technology, and in particular relates to a tea substitute plant extract (a water-soluble extract of Moringa oleifera leaves with good taste) and a preparation method thereof, and its application in food, beverage, and health care products. in the application. Background technique: [0002] Moringa oleifera (Moringa oleifera) is a perennial plant of the genus Moringa Adans of the Moringaceae family (Moringaceae). It originates in the arid or semi-arid regions of the tropics and subtropics. It is a plant with both medicinal and edible uses. Moringa has the function of food therapy and health care, and is widely used in medical treatment and health care. It is known as "the tree of life" and "the diamond in plants". Its tender leaves, tender fruit pods, seeds, flowers and leaves are all edible, and can be used as vegetables and seasonings. Studies have shown that the water extract of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/04A23L2/52A23L2/02A23L33/105
CPCA23L2/02A23L2/04A23L2/52A23L33/105A23V2002/00A23V2250/21
Inventor 杜芝芝张红霞武国清
Owner KUNMING INST OF BOTANY - CHINESE ACAD OF SCI
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