FUNGAL POPULATION, AFLATOXIN AND FREE FATTY ACID CONTENTS OF PEANUTS PACKED IN DIFFERENT BAG TYPES
AbstractShelled peanuts of Gajah var. with initial moisture content of 7% were stored at 11 kg/bag in four bag types
namely: jute bag, polypropylene bag, jute bag doubled with thin polyethylene (PE), and jute bag doubled with thick
PE. Storage was done for six months under warehouse conditions with monitoring of relative humidity and
temperature. Samples taken at the beginning of storage and every month thereafter were analyzed for moisture
content, fungal population, aflatoxin and free fatty acid contents. Statistical analyses showed that moisture content,
fungal population, and free fatty acid contents were significantly higher in jute and polypropylene bags than in
PE-dou,bled jute bags. No significant differences were obtained in aflatoxin contents among bag types but at the
end of six months storage, toxin level in jute bag exceeded the 30 ppb limit. Polypropylene had second highest toxin
level at 23 ppb. The PE-doubled bags had 17 and 19 ppb total aflatoxins for thin and thick films, respectively. The
results indicated that the immediate packaging of dried shelled peanuts at safe moisture level in plastic films with water
vapor transmission rated of 1 g/m2
/24 hr or lower is recommended. This packaging will delay critical increases in
moisture content, fungal population, aflatoxin and free fatty acid contents of peanut kernels at ambient storage
Keywords: Peanuts / bag types / fungal population / aflatoxin content / free fatty acid content.
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How to Cite
BULAONG, S. S. P. (2011). FUNGAL POPULATION, AFLATOXIN AND FREE FATTY ACID CONTENTS OF PEANUTS PACKED IN DIFFERENT BAG TYPES. BIOTROPIA - The Southeast Asian Journal of Tropical Biology, (19). https://doi.org/10.11598/btb.2002.0.19.229
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