Benchmarking Bulb Yield, Medicinal Sulfur Compounds, and Mineral Nutrition of Garlic Varieties.

Autor:	Nguyen BT; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia.; National Institute of Medicinal Materials, Hanoi 11000, Vietnam., Wehr JB; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia., Kopittke PM; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia., O'Hare TJ; Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Coopers Plains, QLD 4108, Australia., Menzies NW; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia., Hong HT; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia., McKenna BA; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia., Klysubun W; Synchrotron Light Research Institute, Nakhon Ratchasima 30000, Thailand., Harper SM; School of Agriculture and Food Sustainability, The University of Queensland, Gatton, QLD 4343, Australia.
Jazyk:	angličtina
Zdroj:	ACS omega [ACS Omega] 2024 Oct 30; Vol. 9 (45), pp. 45240-45250. Date of Electronic Publication: 2024 Oct 30 (Print Publication: 2024).
DOI:	10.1021/acsomega.4c06678
Abstrakt:	Garlic is widely cultivated for both its culinary and medicinal properties. Bulb yield, organosulfur compounds, and plant mineral nutrition of 32 garlic varieties were characterized. Across genotypes, there was large variability in bulb weight and alliin and allicin concentrations. The mineral concentration of a reference leaf was strongly positively correlated with bulb weight (for Zn, N, and K) and bulb allicin concentration (for S, Mo, and Cu). Alliin represented ∼61 and 88% of the total clove S content. In situ synchrotron-based X-ray absorption near-edge structure (XANES) analysis identified two dominant S compounds, γ-l-glutamyl- S -allyl-l-cysteine and alliin. Stoichiometric studies showed the ratio of conversion of alliin to pyruvate was consistently below the theoretical 1:1 ratio, while the ratio for conversion of alliin to allicin was consistently higher (∼1.9:1 to 3.5:1). A combination of optimized fertilizer management and genotype selection for high alliin can potentially substantially increase the yield and medicinal quality of garlic. Competing Interests: The authors declare no competing financial interest. (© 2024 The Authors. Published by American Chemical Society.)
Databáze:	MEDLINE
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