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1973•Isotopenpraxis Isotopes in Environmental and Health StudiesRequires access

Variation in Riboflavin Content after Irradiation with γ-Rays from 60 Co Indoor Unit

M. F. Abdel‐Wahab, Y. M. Megahed, A. E. EI-Arab

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Abstract

The results of this work have revealed that riboflavin content is diminished by irradiation with γ-rays. The more the dose and the longer the time of irradiation the more the effect on riboflavin solution. Addition of other materials as ascorbic acid, starch, and thiourea as radioprotectors to riboflavin solution, caused a decrease in the percentage loss, ranging from 12.5 — 86%. Thiourea used as protector in a ratio, 1:1 – riboflavin: thiourea, gave the best result especially with lower doses of radiation.

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What this paper is about

The results of this work have revealed that riboflavin content is diminished by irradiation with γ-rays. The more the dose and the longer the time of irradiation the more the effect on riboflavin solution. Addition of other materials as ascorbic acid, starch, and thiourea as radioprotectors to riboflavin solution, caused a decrease in the percentage loss, ranging from 12.5 — 86%. Thiourea used as protector in a ratio, 1:1 – riboflavin: thiourea, gave the best result especially with lower doses of radiation.

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Available abstract

The results of this work have revealed that riboflavin content is diminished by irradiation with γ-rays. The more the dose and the longer the time of irradiation the more the effect on riboflavin solution. Addition of other materials as ascorbic acid, starch, and thiourea as radioprotectors to riboflavin solution, caused a decrease in the percentage loss, ranging from 12.5 — 86%. Thiourea used as protector in a ratio, 1:1 – riboflavin: thiourea, gave the best result especially with lower doses of radiation.

Key concepts: Riboflavin, Thiourea, Chemistry, Irradiation, Ascorbic acid, Starch, Radiochemistry, Nuclear chemistry

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