But agar’s superior qualities come with complex chemistry. “To speak of agar as a single substance of certain (if known) chemical structure is probably a mistake,” wrote phycologist Harold Humm in a 1947 article. According to the Food and Agriculture Organization of the United Nations, agar is merely recognized as “a hydrophilic colloid extracted from certain seaweeds of the Rhodophyceae class.” In terms of its actual composition, agar is mostly a combination of two polysaccharides, agaropectin and agarose, which themselves are complex and poorly-characterized polysaccharides made mostly (but not exclusively) from the simple sugar galactose.8
以色列與哈馬斯、巴基斯坦與印度、盧旺達與剛果民主共和國(DRC)、泰國與柬埔寨、亞美尼亞與阿塞拜疆、埃及與埃塞俄比亞,以及塞爾維亞與科索沃。
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