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2 10 3 10 4 10 5 10 6 10 7 10 TOTAL BACTERIAL COUNT / ml. TOTAL BACTERIAL COUNT Almost all species of aerobic bacteria will grow on this Almost all the BACTASLYDE. colonies would be red in colour. If there are any colourless colonies, they should also be accounted for. Here the size of the colonies should not be of much importance, as it is the density which is being measured. In some cases, when the bacterial growth is very high, the media surface of the slide would be uniformly red with a thick confluent growth. Such slides should be discarded as a negative result. The sample could be diluted and tested afresh. (Vide Note.) 2 2 Even one colony (spot) means 10 . No colony (spot) means less than 10 . DENSITY CHART rakiro DENSITY CHART 2 10 3 10 4 10 5 10 6 10 7 10 Only Pseudomonas species will grow on this The BACTASLYDE. colonies would be white, off white, red or green. The interpretation of the results, Would depend on the type of industry and specific PSEUDOMONAS standards. For instance "Bottled waters" should not have any Pseudomonas, while "Cooling Water" could possibly not face any 4 problems if the Pseudomonas count would be around 10 /ml. 2 2 Even one colony (spot) means 10 . No colony (spot) means less than 10 . PSEUDOMONAS / ml. rakiro DENSITY CHART 2 10 3 10 4 10 5 10 6 10 7 10 On this media the colonies of E. coli would be yellow in color. Since 2 E. coli is the indicator of faecal contamination even a 10 count is alarming, as all standards, both National and International for this organism are “Zero”. ESCHERICHIA COLI (E. coli) 2 2 Even one colony (spot) means 10 . No colony (spot) means less than 10 . ESCHERCHIA COLI (E.coli) / ml. rakiro DENSITY CHART rakiro YEASTS / ml. 2 10 3 10 4 10 5 10 6 10 7 10 YEASTS Almost all species of yeasts & fungi will grow on this The BACTASLYDE. growth may consist either purely of yeasts or purely of fungi or may be mixed. Yeasts will give rise to either ball shaped & puffed up colonies or flat & dry colonies. The yeasts colony charts are read as the bacterial charts. Forfungi (molds) it is not possible to be quantitative, as growth originates from mycelia or spores. The chart therefore shows slight, moderate or heavy infection. Yeasts colonies would be white or varying shades of pink, while fungal growth would be white, green, brown,black etc. All bacteria would be inhibited and would not grow on this medium. 2 2 Even one colony ( spot) means 10 . No Colony (spot) means less than 10 . DENSITY CHART Slight Moderate Heavy Almost all species of yeasts & fungi will grow on this The BACTASLYDE. growth may consist either purely of yeasts or purely of fungi or may be mixed. Yeasts will give rise to either ball shaped & puffed up colonies or flat & dry colonies. The yeasts colony charts are read as the bacterial charts. Forfungi (molds) it is not possible to be quantitative, as growth originates from mycelia or spores. The chart therefore shows slight, moderate or heavy infection. Yeasts colonies would be white or varying shades of pink, while fungal growth would be white, green, brown,black etc. All bacteria would be inhibited and would not grow on this medium. FUNGI rakiro rakiro DENSITY CHART
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DENSITY CHART - Rakirorakiro.net/.../uploads/2014/10/Bacteria-Dipslide-Density-Chart.pdf · Here the size of the colonies should not be of much importance, as it is the density which

Apr 15, 2018

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Page 1: DENSITY CHART - Rakirorakiro.net/.../uploads/2014/10/Bacteria-Dipslide-Density-Chart.pdf · Here the size of the colonies should not be of much importance, as it is the density which

210 310410 510 610

710

TOTAL BACTERIAL COUNT / ml.

TOTAL BACTERIAL COUNTAlmost all species of aerobic bacteria will grow on this Almost all the BACTASLYDE.colonies would be red in colour. If there are any colourless colonies, they should also be accounted for. Here the size of the colonies should not be of much importance, as it is the density which is being measured.

In some cases, when the bacterial growth is very high, the media surface of the slide would be uniformly red with a thick confluent growth. Such slides should be discarded as a negative result. The sample could be diluted and tested afresh. (Vide “Note”.)

2 2Even one colony (spot) means 10 . No colony (spot) means less than 10 .

DENSITY CHART

rakiro

DENSITY CHART

210 310410 510 610

710

Only Pseudomonas species will grow on this The BACTASLYDE.colonies would be white, off white, red or green. The interpretation of the results, Would depend on the type of industry and specific

PSEUDOMONAS standards. For instance "Bottled waters" should not have any Pseudomonas, while "Cooling Water" could possibly not face any

4problems if the Pseudomonas count would be around 10 /ml.2 2Even one colony (spot) means 10 . No colony (spot) means less than 10 .

PSEUDOMONAS / ml.

rakiro

DENSITY CHART

210 310410 510 610

710

On this media the colonies of E. coli would be yellow in color. Since 2

E. coli is the indicator of faecal contamination even a 10 count is

alarming, as all standards, both National and International for this organism are “Zero”.

ESCHERICHIA COLI (E. coli)

2 2Even one colony (spot) means 10 . No colony (spot) means less than 10 .

ESCHERCHIA COLI (E.coli) / ml.

rakiro

DENSITY CHART

rakiro

YEASTS / ml.

210 310410 510 610

710

YEASTS

Almost all species of yeasts & fungi will grow on this The BACTASLYDE.growth may consist either purely of yeasts or purely of fungi or may be mixed. Yeasts will give rise to either ball shaped & puffed up colonies or flat & dry colonies. The yeasts colony charts are read as the bacterial charts. Forfungi (molds) it is not possible to be quantitative,

as growth originates from mycelia or spores. The chart therefore shows slight, moderate or heavy infection. Yeasts colonies would be white or varying shades of pink, while fungal growth would be white, green, brown,black etc. All bacteria would be inhibited and would not grow on this medium.

2 2Even one colony ( spot) means 10 . No Colony (spot) means less than 10 .

DENSITY CHART

Slight Moderate Heavy

Almost all species of yeasts & fungi will grow on this The BACTASLYDE.growth may consist either purely of yeasts or purely of fungi or may be mixed. Yeasts will give rise to either ball shaped & puffed up colonies or flat & dry colonies. The yeasts colony charts are read as the bacterial charts. Forfungi (molds) it is not possible to be quantitative,

as growth originates from mycelia or spores. The chart therefore shows slight, moderate or heavy infection. Yeasts colonies would be white or varying shades of pink, while fungal growth would be white, green, brown,black etc. All bacteria would be inhibited and would not grow on this medium.

FUNGI

rakiro

rakiro

DENSITY CHART