Abstract
Tropical fruits contribute significantly to the total fruit intake worldwide. However, their metabolomes have not yet been investigated comprehensively, as most previous studies revealed only volatile and bulk compositions. This study compares non-volatile metabolites of five fruits grown in Tanzania. A new methodology is developed for broad-spectrum GC-MS metabolomics in fruits using a new derivatization and a two dimensional peak deconvolution techniques. A total of 92 peaks were detected from fruits of which 45 were identified. Jackfruits contained the highest amount of carbohydrates, while baobab contained the highest amount of fatty acids. The highest content of organic acids was detected in tamarind. Principal component analysis revealed insights into metabolic differences and similarities, while hierarchical cluster analysis correctly grouped the fruits according to their relationships in plants' phylogenetic tree. The developed methodology could potentially be applied in large-scale studies on fruit quality, authenticity/variety, optimization of post-harvest processing and storage.
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Claims 6
Claim · model-written summary
GC-MS detected 92 fruit peaks, including 45 identified peaks.
Verbatim
e0“A total of 92 peaks were detected from fruits of which 45 were identified.”
Claim · model-written summary
Jackfruits had the highest carbohydrate amount.
- Taxon
- Jackfruits
Artocarpus heterophylluse0 - Outcome
- amount of carbohydratese0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Jackfruits contained the highest amount of carbohydrates, while baobab contained the highest amount of fatty acids.”
Claim · model-written summary
Baobab had the highest fatty-acid amount.
- Taxon
- baobab
Adansonia digitatae0 - Outcome
- amount of fatty acidse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Jackfruits contained the highest amount of carbohydrates, while baobab contained the highest amount of fatty acids.”
Claim · model-written summary
Tamarind had the highest organic-acid content.
- Taxon
- tamarind
Tamarindus indicae0 - Outcome
- content of organic acidse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_%E0%A4%87%E0%A4%AE%E0%A4%B2%E0%A5%80_Tree.jpg?width=500)
Verbatim
e0“The highest content of organic acids was detected in tamarind.”
Claim · model-written summary
Principal component analysis revealed fruit metabolic differences and similarities.
Verbatim
e0“Principal component analysis revealed insights into metabolic differences and similarities, while hierarchical cluster analysis correctly grouped the fruits according to their relationships in plants' phylogenetic tree.”
Claim · model-written summary
Hierarchical clustering grouped the fruits according to phylogenetic relationships.
Verbatim
e0“Principal component analysis revealed insights into metabolic differences and similarities, while hierarchical cluster analysis correctly grouped the fruits according to their relationships in plants' phylogenetic tree.”