期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 69, 期 45, 页码 13299-13314出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.1c00915
关键词
Fragaria × ananassa; strawberry cultivation; strawberry flavor; strawberry volatiles; descriptive sensory analysis; Texas strawberry
资金
- Texas Department of Agriculture Specialty Crop Block Grant Program [SC-1819-29]
- Texas Woman's University-Human Nutrition Research
The study assessed multiple traits of 10 strawberry cultivars grown under high tunnels, revealing significant differences in both plant analysis and fruit physicochemical characteristics among the cultivars.
: To assist increasing annual acreage of Texas-grown (U.S.A.) strawberries, it is essential to select cultivars with excellent plant and fruit quality characteristics suitable to the diverse environments. This study assessed multiple traits of 10 strawberry cultivars grown under high tunnels. A significant difference (p <= 0.05) was observed for all traits, which possessed a wide variability of metabolites. Plant analysis (number of live plants, plant vigor, and harvest yield) indicated that the yield ranged from 226 to 431 g/plant, positively correlated to plant vigor. Fruit physicochemical characteristic analysis, including red color (absorbance at 500 nm) and taste-associated indicators [degrees Brix, titratable acidity (TA), and total soluble solids (TSS)/TA], showed that degrees Brix and TSS/TA ranged from 8.0 to 12.9 and from 9.1 to 15.3, respectively. More than 300 volatiles were identified using solid-phase microextraction-gas chromatography-mass spectrometry, and total volatiles varied 1.5 times with high variance of individual compounds between cultivars. Descriptive sensory analysis indicated that strawberry flavor was positively associated with sensory attributes of sweetness, jammy, fruity, buttery, fresh, and creamy while negatively related to bitterness, astringency, and sourness. Partial least squares regression indicated that strawberry flavor was highly correlated with sweet taste and volatile composition. No specific relationship between these traits and day-neutral or June-bearing varieties was identified. Ideal cultivars for Texas growing conditions with superior and balanced flavor qualities were Albion, Sweet Charlie, Camarosa, Camino Real, and Chandler.
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