Gracilaria lichenoides

Gracilaria lichenoides
Agar-agar A`gar-a"gar, n. [Ceylonese local name.] 1. A fucus or seaweed much used in the East for soups and jellies; Ceylon moss ({Gracilaria lichenoides}). [1913 Webster]

2. A gelatinlike substance, or a solution of it, prepared from certain seaweeds containing gelose (such as Ceylon moss, {Gracilaria lichenoides} or other seaweeds of the genera {Gelidium}, {Ceramium}, {Pterocladia}, and {Eucheuma}), and used for solidifying growth media in the artificial cultivation of bacteria, or as a gelling agent in foods; -- usually called simply {agar}, by abbreviation.

Note: In composition it is predominantly a polysaccharide, and is not degraded by most bacteria. It thus almost completely replaced the earlier protein-based gelatins used for fixing bacterial colonies on culture plates, as the gelatins were often dissolved by the proteolytic enzymes common in bacteria.

Syn: gelose, agar. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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  • Gracilaria lichenoides — Agar agar A gar a gar, n. [Ceylonese local name.] 1. A fucus or seaweed much used in the East for soups and jellies; Ceylon moss ({Gracilaria lichenoides}). [1913 Webster] 2. A gelatinlike substance, or a solution of it, prepared from certain… …   The Collaborative International Dictionary of English

  • Gracilaria — Gracilarĭa Ag., Algengattg. der Rhodophyzeen, mit knorpligem, rotem Thallus. Durch Kochen zu Gallerte aufgequollen, dient bes. G. lichenoīdes Ag., das Ceylonmoos des Ind. Ozeans, als Nahrungsmittel für Kranke …   Kleines Konversations-Lexikon

  • Ceylon moss — Gracilaria lichenoides …   Medical dictionary

  • agar — A gar a gar, n. [Ceylonese local name.] 1. A fucus or seaweed much used in the East for soups and jellies; Ceylon moss ({Gracilaria lichenoides}). [1913 Webster] 2. A gelatinlike substance, or a solution of it, prepared from certain seaweeds… …   The Collaborative International Dictionary of English

  • Agar-agar — A gar a gar, n. [Ceylonese local name.] 1. A fucus or seaweed much used in the East for soups and jellies; Ceylon moss ({Gracilaria lichenoides}). [1913 Webster] 2. A gelatinlike substance, or a solution of it, prepared from certain seaweeds… …   The Collaborative International Dictionary of English

  • Sphaerococcus — Stackh. (Knopftang), Algengattung der Florideen, mit gabelig verzweigtem, zusammengedrückt linealischem, knorpeligem Thallus und halbkugeligen, an der Spitze geöffneten Cystokarpien, aus deren Grunde einfache oder büschelig verzweigte Fäden mit… …   Meyers Großes Konversations-Lexikon

  • Agar — or agar agar is a gelatinous substance derived from seaweed. Historically and in a modern context, it is chiefly used as an ingredient in desserts throughout Japan, but in the past century has found extensive use as a solid substrate to contain… …   Wikipedia

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  • Agar-Agar — Agar Agar, asiat. Algen, die getrocknet oder zubereitet in Form von federspuldicken, leichten, geruch und geschmacklosen, häutigen Schläuchen von meist 3–20 cm Länge in den Handel kommen. Ceylonmoos (Jaffnamoos), von Ceylon und Java, besteht aus… …   Meyers Großes Konversations-Lexikon

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