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agar    音标拼音: ['egɚ]
n. 海菜;紫菜;石花菜;细菌培养基

海菜;紫菜;石花菜;细菌培养基

agar
n 1: any culture medium that uses agar as the gelling agent
[synonym: {agar}, {nutrient agar}]
2: a colloidal extract of algae; used especially in culture
media and as a gelling agent in foods [synonym: {agar}, {agar-
agar}]

agar \a"gar\, n. [See {agar-agar}.]
1. common shortened form of {agar-agar[2]}.

Syn: gelose, agar-agar.
[PJC]

2. 1 any culture medium that uses agar as the gelling agent;
-- used especially with a modifying prefix, as, EMB agar.
The term is applied both to the dehydrated medium powder
containing agar and to the gelatinous medium prepared from
it.

Syn: nutrient agar
[WordNet 1.5 PJC]


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.]

Agar, or Hagar, a stranger; one that fears


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  • Agar. io
    Play online with players around the world as you try to become the biggest cell of them all! Control your tiny cell and eat other players to grow larger! But watch out: players bigger than you will be trying to make you their lunch Survive and eat long enough to become the biggest cell in the game! Play online in free-for-all action and use splitting, shrinking and dodging tactics to catch
  • Agar - Wikipedia
    Green tea-flavored yōkan, a popular Japanese red bean jelly made from agar A blood agar plate used to culture bacteria and diagnose infection Agar ( ˈeɪɡɑːr or ˈɑːɡər ), or agar-agar, is a jelly-like substance consisting of polysaccharides obtained from the cell walls of some species of red algae (phylum Rhodophyta) primarily from the Gracilaria genus (Irish moss, ogonori) and
  • Agar - Uses, Side Effects, and More - WebMD
    Learn more about Agar uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Agar
  • Agar | Description, Uses, Properties | Britannica
    agar, gelatin-like product made primarily from the red algae Gelidium and Gracilaria (division Rhodophyta) Best known as a solidifying component of bacteriological culture media, it is also used in canning meat, fish, and poultry; in cosmetics, medicines, and dentistry; as a clarifying agent in brewing and wine making; as a thickening agent in ice cream, pastries, desserts, and salad
  • What Is Agar-Agar? - The Spruce Eats
    Agar-agar, a stabilizing and thickening agent, is a vegetarian gelatin substitute made from seaweed It is sold as flakes, powder, bars, and strands
  • What Is Agar and Why Is It Used in Microbiology?
    Agar is a gelatinous substance derived from red algae, primarily from species such as Gelidium and Gracilaria It’s commonly used as a hydrocolloid in the food industry, but its role in microbiology is what truly makes it special Agar has an ability to gel when mixed with water, creating a solid medium that supports the growth of microorganisms like bacteria, fungi, and yeast The compound
  • Agar and Its Use in Chemistry and Science - Science Buddies
    An explanation of the different types of agar, how to prepare, and safety considerations for use in science projects
  • Agar - an overview | ScienceDirect Topics
    Agar is defined as a mixture of two polysaccharides, agarose and agaropectin, extracted from certain seaweeds, commonly used to form transparent gels for observing antigen-antibody precipitation in laboratory settings It is inexpensive, widely obtainable, and can be prepared at various concentrations, although it has some disadvantages, such as variable characteristics and a tendency to
  • What is Agar? - News-Medical. net
    Agar has wide-ranging applications that include microbial media preparation, stabilizing agents, and the development of biodegradable food packaging films
  • CHAPTER 1 - PRODUCTION, PROPERTIES AND USES OF AGAR
    CHAPTER 1 - PRODUCTION, PROPERTIES AND USES OF AGAR by Rafael Armisen and Fernando Galatas Hispanagar, S A , Poligono Industrial de Villalonquejar Calle López Bravo "A", 09080 Burgos, Spain INTRODUCTION According to the US Pharmacopeia, agar can be defined as a hydrophilic colloid extracted from certain seaweeds of the Rhodophyceae class It is insoluble in cold water but soluble in boiling





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