Extraction and Micronization of β-glucan in One-step Process by Combining Subcritical Water and Supercritical Carbon Dioxide

Wahyudiono*, S. MacHmudah, H. Kanda, M. Goto

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Subcritical water extraction was recognized as a one of the green ways to isolate plant biomass constituents. In this work, water at subcritical conditions would be subjected as a medium to isolate β-glucans from barley (Hordeum vulgare L.) and Ganoderma lucidum (G. lucidum). The experiment would be performed at 130-190 °C and 4-40 MPa in a semi batch process. The FT-IR spectra described that, at subcritical water conditions, β-glucan was removed from barley grains and G. lucidum via dehydration and decarboxylation. To enhance the separation process, supercritical carbon dioxide (CO2) is injected. To keep and to concentrate the water soluble glucan compounds in the liquid extract product, the micronization technique was performed integratedly after extraction process. SEM image illustrated that the particle generated was shriveled or dimpled and spherical with size from 1 to 6 μm, and the β-glucans content in the particle product is around 40 to 45 wt%.

Original languageEnglish
Article number012078
JournalIOP Conference Series: Earth and Environmental Science
Volume672
Issue number1
DOIs
Publication statusPublished - 7 Apr 2021
Event3rd International Conference on Food and Agriculture: Development and Improvement of Suistanable Agricultural Practices Toward Environmental and Global Well-Beings, ICoFA 2020 - Jember, East Java, Indonesia
Duration: 7 Nov 20208 Nov 2020

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