Agar comes from multiple sources, as many red seaweeds are “agarophytes” (that is, seaweeds containing agar in their cell walls). Species of Gelidium are the most important source of bacteriological (lab-grade) agar. Other main agarophytes, largely used for culinary agar, include red seaweeds from the genera Gracilaria, Pterocladia, Ahnfeltia, and others. Species from the genera Eucheuma, Gigartina, and Chondrus have been used as agarophytes in research during agar shortages.9
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上线3年来，平台在数据驱动下，已实现劳务结算超10亿元，助力施工企业降本增效超15%。一项项数字，真实记录了每位建设者走过的路、流过的汗，也守护着背后一个个家庭的幸福生活。