Purine and uric acid contents of common edible insects in Southwest China
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Edible insects have recently been considered as a potential food source that may solve problems of malnutrition and starvation worldwide. However, studies exploring insects as food sources are mainly focused on entomophagy and nutrition rather than the potential risks of excessive metabolite contents, such as purine and uric acid. In this study, we analysed guanine, hypoxanthine, xanthine, adenine and uric acid concentrations in 11 species of edible insects from Yunnan and Guizhou provinces in Southwest China, including 5 species of dragonfly, 3 species of wasp and a single species of locust, mealworm and silkworm. Purine and uric acid contents differed distinctly between these insects, and guanine and xanthine were the dominant purines in all samples. The proportions of 4 purines in the total purine content of these insects differed markedly from those in meat samples from poultry and livestock, and uric acid contents varied significantly between aquatic insects and terricolous insects, such as silkworm pupa. Taken together, the present data show that most edible insects are potent food sources of purine.
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| All Time | Past 365 days | Past 30 Days | |
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Purine and uric acid contents of common edible insects in Southwest China
In: Journal of Insects as Food and FeedSearch for other papers by Z. He in
Current site
Google Scholar
PubMed
Search for other papers by M. Zhao in
Current site
Google Scholar
PubMed
Search for other papers by C.Y. Wang in
Current site
Google Scholar
PubMed
Search for other papers by L. Sun in
Current site
Google Scholar
PubMed
Search for other papers by Y.Y. Jiang in
Current site
Google Scholar
PubMed
Search for other papers by Y. Feng in
Current site
Google Scholar
PubMed
Edible insects have recently been considered as a potential food source that may solve problems of malnutrition and starvation worldwide. However, studies exploring insects as food sources are mainly focused on entomophagy and nutrition rather than the potential risks of excessive metabolite contents, such as purine and uric acid. In this study, we analysed guanine, hypoxanthine, xanthine, adenine and uric acid concentrations in 11 species of edible insects from Yunnan and Guizhou provinces in Southwest China, including 5 species of dragonfly, 3 species of wasp and a single species of locust, mealworm and silkworm. Purine and uric acid contents differed distinctly between these insects, and guanine and xanthine were the dominant purines in all samples. The proportions of 4 purines in the total purine content of these insects differed markedly from those in meat samples from poultry and livestock, and uric acid contents varied significantly between aquatic insects and terricolous insects, such as silkworm pupa. Taken together, the present data show that most edible insects are potent food sources of purine.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 760 | 316 | 22 |
| Full Text Views | 33 | 5 | 0 |
| PDF Views & Downloads | 43 | 0 | 0 |
