Preparation method of natural composite fruit powder
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A kind of fruit powder, natural technology, applied in the field of preparation of compound pomace powder, can solve the problems of difficult drying, slow drying speed, poor rehydration, etc.
Pending Publication Date: 2021-07-30
ZHEJIANG PHARMA COLLEGE
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Problems solved by technology
[0004] However, the products processed by these methods generally have low raw material utilization rate, difficult drying, slow drying speed (due to high sugar and pectin content of fruit powder, high viscosity, so difficult drying speed is slow), easy caking, poor rehydration, Disadvantages such as large changes in color, fragrance, and high nutritional loss, sometimes need to add other additives to fully dry, thus affecting the purity of the product. These shortcomings affect the characteristics of fruit powder used as food accessories or additives for secondary processing and direct consumption. Fruit powder market development
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Embodiment 1
[0031] (1) Acceptance of raw materials: The mulberry variety is the "Big Ten" variety (the industry's conventional mulberry variety model) with strong fruit aroma, bright color and high utilization rate. (refuse to purchase pesticide residues, heavy metals exceeding the standard, diseased and insect fruit, moldy fruit, rotten fruit, immature fruit) can be processed; blueberries and red bayberry are also picked and fully mature quality, qualified for acceptance (refuse to purchase pesticide residues, heavy metals exceeding the standard, Diseased fruit, moldy fruit, rotten fruit, immature fruit) can be processed;
[0032] (2) Pedicel removal: remove the fruit pedicles at the bottom of mulberry, blueberry and red bayberry to reduce the bitterness of fruit powder;
[0033] (3) Cleaning and selection: wash away the silt and sundries with running water; manually remove impurities such as mildew, unripe fruits, branches and leaves on the conveyor belt;
[0034] (4) Crushing: The sel...
Embodiment 2
[0043] (1) Acceptance of raw materials: The mulberry variety is the "Big Ten" variety (the industry's conventional mulberry variety model) with strong fruit aroma, bright color and high utilization rate. (refuse to purchase pesticide residues, heavy metals exceeding the standard, diseased and insect fruit, moldy fruit, rotten fruit, immature fruit) can be processed; blueberries and red bayberry are also picked and fully mature quality, qualified for acceptance (refuse to purchase pesticide residues, heavy metals exceeding the standard, Diseased fruit, moldy fruit, rotten fruit, immature fruit) can be processed;
[0044](2) Pedicel removal: remove the fruit pedicles at the bottom of mulberry, blueberry and red bayberry to reduce the bitterness of fruit powder;
[0045] (3) Cleaning and selection: wash away the silt and sundries with running water; manually remove impurities such as mildew, unripe fruits, branches and leaves on the conveyor belt;
[0046] (4) Crushing: The sele...
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Abstract
A preparation method of natural composite fruit powder comprises the following preparation steps: checking and accepting raw materials: processing and squeezing mulberry fruits, blueberries and waxberries to obtain peel residues, and removing physical impurities in the peel residues; preparing raw materials, comprising mulberry fruits, blueberries and waxberry peel residues according to the weight ratio of (35-50):(25-35):(25-35); uniformly crushing the composite ingredients by using a crusher to preliminarily refine and uniformly mix the composite ingredients; freeze-drying in two stages: wherein in the pre-freezing stage, the material thickness is controlled to be 5-8 mm, the temperature is controlled to be -45 to -50 DEG C, and the time is controlled to be 1.0-1.5 hours, and in the sublimation stage, the thickness of the materials is controlled to be 5-8 mm, the pressure intensity of a drying chamber is 85-90 Pa, the temperature of a heating plate is 60-75 DEG C, and composite pomace is obtained when the moisture of the materials is controlled to be within 6%; pulverization: in an environment with humidity controlled within 30%, pulverizing and refining the freeze-dried composite pomace in the step (4) to obtain powdery composite fruit powder with uniform quality. The natural composite fruit powder is high in raw material utilization rate, rich in nutrition, bright in color, good in rehydration property, easy to store and convenient to eat, and has natural properties of the product.
Description
technical field [0001] The invention relates to the technical field of food processing, in particular to a preparation method of composite pomace powder. Background technique [0002] my country's total fruit area and total output have been ranking first in the world. The total amount of fruits in the country is 270 million tons, of which the global output of melons, pears and other categories has exceeded 64%. They are mainly fresh food, and some are processed into traditional products such as canned food, fruit juice, fruit wine and candied fruit. The overall utilization of raw materials The production rate is low, and the added value is not high. Especially after fruit processing, a large amount of peel residues are mainly discarded and cannot be effectively utilized, which greatly reduces the utilization rate of raw materials, pollutes the environment, and seriously affects the high-quality development of the industry. [0003] Fruit powder is a new processing method th...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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