High-efficiency preparation method of functional rose soluble beans based on infrared spouted graded freeze drying

Abstract

The invention relates to a high-efficiency preparation method of functional rose soluble beans based on infrared spouted graded freeze drying, and belongs to the field of food processing. Rose flowers, eggs, yoghourt and milk powder are used as main raw materials, corn starch, cream essence, fatty acid monoglyceride, xanthan gum, psyllium seed hull powder and the like are added, and through rose flower pretreatment, mixing, nanometer homogenization, pattern mounting, sterilization, freezing forming and infrared spouting grading freeze drying, the convenient instant functional rose soluble beans are obtained. The moisture content of the freeze-dried functional rose soluble beans processed by the method is 3%-5%; the drying time is shortened by 10-12 hours compared with that of common freeze-drying; the dehydration energy consumption is reduced by 25%-30% compared with that of the common freeze-drying; the high-quality rate of the product reaches 90% or above; the moisture absorption resistance of the freeze-dried rose soluble beans added with the psyllium seed hull powder is improved by 20-30% compared with that of rose soluble beans not added with the psyllium seed hull powder; andthe produced rose soluble beans melt immediately in the mouth, are soft in taste and strong in fragrance, are rich in vitamin C, flavonoids and phenolic compounds, and have antioxidant activity.

Description

technical field [0001] The invention relates to a high-efficiency freeze-drying method of functional rose beans based on infrared spray classification freeze-drying, and belongs to the field of food processing. Background technique [0002] Rose is a plant of the genus Rosa in the family Rosaceae, an erect shrub native to North China, Northeast my country, Japan, Korea and Russia. At present, the traditional Chinese rose varieties used for deep processing into rose products are mainly Pingyin double-petalled red rose and Kushui rose. In recent years, there are Fenghua rose, Zizhi rose and Mohong rose. In addition, there are many places in the country where Damascus roses are introduced, such as Weinan in Shaanxi, Wuxi in Jiangsu, Pingyin in Shandong, and places such as Hebei, Yunnan, and Sichuan. Because of their high essential oil content, good quality, and international fragrance, the cultivation area continues to expand. . A considerable amount of phenolic substances ar...

AI Technical Summary

Problems solved by technology

Although this invention adopts a relatively advanced infrared freeze-drying process, its production efficiency is not as good as that of the present invention's infrared spray grading freeze-drying, and the present invention makes the frozen soluble beans The initial porosity increases while the soluble bean particles are more evenly distributed, and the drying efficiency, product moisture absorption resistance and product taste are further improved; in addition, the taste and fragrance of the collard greens used in this invention are not as good as the rose flavor of the present invention.