BM-2017v8n2 - page 14-15

Bioscience Methods 2017, Vol.8, No.2, 18-30
http://bm.biopublisher.ca
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Table 7 Morphological characteristics and suspected fungi organism isolated on packaged snack after storage
S/N Growth Rate Diameter of Colony
after 7-14 days
Initial Colour Hyphae Conidiophore Suspected Organism
1 fast growing 2-20 mm in 7 days grey or light olive grey to brownish
grey
upright phialiade forming clusters branched from
phialiade
Mucor plumbeus
2 fast growing 2-20 mm in 7 days whitish becoming greyish brown upright phialiade clusters branched from phialiade Rhizopus stolonifer
3 fast growing 6-20 mm in 7 days white to deep blackish green upright phialiade forming clusters branched from
phialiade
Alternaria tenuissima
4 fast growing 2-20 mm in 7 days white to brown then black upright phialiade forming clusters branched from
phialiade
Aspergillus niger
5 fast growing 2-20 mm in 7 days white to yellowish tarnishing into
pink
upright phialiade cylindrical or spherical with a size of
4-62 mm in diameter
Fusarium solani
6 slow growing 2-5 mm in 7 days yellow green to pale blue green upright phialiade clusters branched out from phialiade Penicillium
chrisogenum
7 fast growing 7-20 mm in 7 days white to dark green upright phialiade clusters branched out from phialiade Trichoderma
longibrachiatum
8 slow growing 2-5 mm in 7 days white to cream to yellow no hyphae, growth form is smooth blastophores are oval to squat to
cylindrical
Yeast Candida sake
9 moderate 7 cm in 7 days bluish green upright phialiade branched out from the end of phialiade Aspergillus fumigatus
10 moderate 7 cm in 7 days white to pink short broadly ending non-proliferating
phialides
conidiophore richly branched but not in
spirodochia usually one called
macro-conidia
Fusarium verticilliodes
11 fast growing 8 cm in 7 days white to yellow later dark grey upright phialide branched out branched out Mucor hiemalis
12 moderate 4 cm in 7 days creamy pseudohypha formed ovoid shape produced laterally
mycelium
yeast
13 moderate 7 cm in 7 days orange upright phialiade branched out from the end of phialiade Aspergillus flavus