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
Foreign minister says 272 Ghanaians are thought to have been drawn into battle since 2022, after he visited Kyiv
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2024 年年初，美国某仓库里，工人们把一本本新书送进机器，切掉书脊，扫描，然后把纸送去回收。下令做这件事的是 Anthropic，项目内部代号「巴拿马」，目标是以破坏性方式扫描全球所有书籍——Anthropic不希望外界知道他们做了这件事。