Preparation method of freeze-dried Chinese wolfberry fruits

The invention relates to the technical fields of fruit and vegetable drying, food technology and the like, and discloses a preparation method of freeze-dried Chinese wolfberry fruits. The preparation method comprises the following steps: selecting and cleaning fresh Chinese wolfberry fruits; putting...

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Bibliographische Detailangaben
Hauptverfasser:	LIU BIN, SHI SHENGQIANG, ZENG TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL RIPENING OF FRUIT OR VEGETABLES FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	The invention relates to the technical fields of fruit and vegetable drying, food technology and the like, and discloses a preparation method of freeze-dried Chinese wolfberry fruits. The preparation method comprises the following steps: selecting and cleaning fresh Chinese wolfberry fruits; putting the cleaned Chinese wolfberry fruits on a material tray, and putting the material tray into a freeze vacuum dryer; performing quick-freezing treatment on the Chinese wolfberry fruits until the temperature of a partition plate is constant at about-40 DEG C; in the quick-freezing process, vacuumizing is started until the vacuum degree reaches about 50 Pa; heating treatment is conducted, the temperature of the partition plate reaches 40 DEG C, and the temperature is kept constant; the lyophilized Chinese wolfberry fruits are taken out after the set lyophilization time, the lyophilized Chinese wolfberry fruit products are taken out, the lyophilization time is 15-25 hours, the fresh Chinese wolfberry fruits are selecte