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Gracilaria And Agar Quality Standards

Gracilaria is the raw material for the agar industry world-wide. Chile is the largest producer of Gracilaria and Japan is the largest producer of agar. World agar production is currently estimated at 10,000 tonnes per annum, about half of...

What Is Agar?

Agar, more correctly known as agar-agar, has been used in the East for several hundred years and certainly since the seventeenth century. Agar is traditionally claimed to have been discovered by Trazaemon Minoya in 1658 in Japan.Agar is typically...

Gracilaria Origin Of Palopo And Other Areas In Indonesia

seaweed cultivated in ponds in Indonesia, currently Gracilaria origin Palopo still dominate both in  quality and quantity. Gracilaria buyers both locally and abroad always require Gracilaria they buy comes from Palopo. In other areas of Indonesia also cultivated Gracilaria...

Agarose

 The composition of this agar fraction has already been explained in the section dealing with the chemical structures of agar. In the literature we have found that agarose had been prepared according to at least 15 basic principles starting...

Agar Manufacturing Process

The production of agar, bacteriological agar and agarose are considered in this section.Agar manufacturing processes have developed since the early freezing method was used to concentrate the extracts of agarophyte seaweeds. Whichever process is used, the following criteria should...

Agar Manufacturing Process

The production of agar, bacteriological agar and agarose are considered in this section.Agar manufacturing processes have developed since the early freezing method was used to concentrate the extracts of agarophyte seaweeds. Whichever process is used, the following criteria should...

Chemical Structure Of Agar

Early studies of agar showed that it contained galactose, 3,6-anhydro-galactose (Hands and Peats, 1938; Percival, Somerville and Forbes, 1938) and inorganic sulfate bonded to the carbohydrate (Samec and Isajevic, 1922).Structural studies have been based on the fractionation of agar...

Evaluation Of Agarophytes

The existing literature on the evaluation of seaweeds as industrial sources of agar is confusing because in general the contributions have come from well intentioned scientists who often are unfamiliar with specification requirements, the different grades of commercial agar...

Geographical Distribution Of Agarophytes

The geographical distribution of agarophytes is very wide and is shown in Figure 3. Main areas are located indicating the most important classes and species. The size of the coloured areas relate to the extent of...

Production, Properties And Uses Of Agar (1)

 by Rafael Armisen and Fernando GalatasHispanagar, S.A., Poligono Industrial de VillalonquejarCalle L√≥pez Bravo "A", 09080 Burgos, Spain Dried GracilariaAccording to the US Pharmacopeia, agar can be defined as a hydrophilic colloid extracted from certain seaweeds of the Rhodophyceae class....
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