Gigantic angelica root freeze-dried powder preparation method

Abstract

The invention discloses a gigantic angelica root freeze-dried powder preparation method, belongs to the technical field of fruit and vegetable freeze-dried powder processing, and particularly relatesto a key technology which includes the steps: selecting and cleaning freshly picked gigantic angelica roots; cutting the cleaned gigantic angelica roots into 3cm long small segments and performing steam blanching for 3 minutes; placing the blanched gigantic angelica roots into green-preserving agents containing sodium erythorbate, zinc gluconate and citric acid and soaking the blanched gigantic angelica roots for 40 minutes; sectioning and cleaning the green-preserved gigantic angelica roots, adding the green-preserved gigantic angelica roots into cellulose and performing enzymolysis at the temperature of 50 DEG C for 40 minutes; sectioning, centrifuging and filtering the gigantic angelica roots after enzymolysis; adding additives including 5% of beta-cyclodextrin, 0.7% of CMC (carboxy methyl cellulose) and 25% of maltodextrin, and performing matching, freeze-drying and grinding; performing vacuum packaging on freeze-dried gigantic angelica root powder, and sterilizing the freeze-driedgigantic angelica root powder at the temperature of 90-95 DEG C for 15-20 minutes. A formula comprises 5% of beta-cyclodextrin, 0.7% of CMC, 25% of maltodextrin and the balance gigantic angelica rootnormal juice which are freeze-dried according to the ratio.

Description

technical field [0001] The development of a freeze-dried powder of old celery belongs to the field of fruit and vegetable freeze-dried powder processing technology, specifically relates to the technology of freeze-dried powder of old celery, and finally obtains a freeze-dried powder product with good taste, pleasant aroma and anti-oxidation effect. The deep processing, development and utilization of wild vegetables provide theoretical and practical guidance. Background technique [0002] Wild vegetables refer to the non-polluting, nutritious, delicious, fresh texture and unique flavors that grow naturally in forests, deep mountains, and grasslands without artificial cultivation. wild or semi-wild plants. Due to China's vast territory and high forest coverage, China is extremely rich in wild vegetable resources, and is a country with a large output of wild vegetables. The more common wild vegetables include: old celery, thorn old buds, bracken, vetch, celery, dandelion , mo...

AI Technical Summary

Problems solved by technology

[0008] Technical problem: old celery has extremely high nutritional value and medicinal health value, but because of the seasonal picking time, it is easy to age and yellow, which makes it difficult to process and store old celery, which affects the old celery itself The economic value of fresh vegetables can no longer meet the market demand, and people's requirements for healthy diet are getting higher and higher. It is a major trend to develop a variety of deep-processed Laoshan celery products

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