HUBEI AGRICULTURAL SCIENCES ›› 2022, Vol. 61 ›› Issue (16): 155-158.doi: 10.14088/j.cnki.issn0439-8114.2022.16.030

• Storage & Processing • Previous Articles     Next Articles

Research on extraction of polysaccharides from Macrocarpium offcinalis by multi-frequency ultrasonic

YAO Rui-qi, HU Jia-dong, WANG Feng, ZHOU Bo   

  1. Yangling Vocational & Technical College,Yangling 712100,Shaanxi, China
  • Received:2021-08-02 Online:2022-08-25 Published:2022-09-14

Abstract: The extraction technology of polysaccharides from Macrocarpium officinalis was studied by multi-frequency ultrasonic. The results showed that ultrasonic-assisted extraction could effectively improve the extraction rate of Macrocarpium offcinalis polysaccharides, and the order of influencing factors was ultrasonic frequency > extraction temperature > extraction time > solid-liquid ratio. Dual-frequency combined ultrasound was superior to single-frequency ultrasound. The optimum extraction condition was ultrasonic frequency of 28/45 kHz, extraction temperature of 52 ℃, extraction time of 80 min, and solid-liquid ratio of 1∶6. The extraction rate of Macrocarpium offcinalis polysaccharide was 18.92%.

Key words: Macrocarpium offcinalis, polysaccharide, ultrasound, extraction, frequency

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