Volatile compounds as preservative for maize grain in traditional storages
1995
Kumar, S. (T.M. Bhagalpur Univ., Bhagalpur-812 007 (India). Univ. Dept. of Botany)
Treatment with 5 ug/g concentration of formic acid was best for germinability preservation, whereas, 10 uL/g concentration of propionic acid, acetone, 2-butanone and chloroform achieved nearly parallel effectiveness. There were above 80 percent germinability in maize kernels. Maize grain is stored at least for a year either for seeding or consumption purposes. Thus, booster doses of effective volatile compounds were further tested for a period of 12 months storage. Treatment with 10 uL/g formic acid resulted in 80 percent germ preservation in maize kernels. Propionic acid and chloroform respectively maintained 80 percent and 85 percent germinability at 40 uL/g concentration whereas acetone and 2-butanone resulted in 88 percent and 83 percent preservative efficacy at 50 uL/g. Fungal incidence on the maize kernels as well as nutrients depletion were also checked when treated. Storage time, storage structure and concentration of the volatile compounds had significant correlation with germ preservative efficacy
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