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. 2021 Sep 13;8:691663. doi: 10.3389/fnut.2021.691663

Table 2.

Density of condensed volatiles from the steam explosion of Star Ruby, Rio Red and Ruby Red whole grapefruit (WG) and grapefruit juice processing residues (GP).

Reference 29 33 26
Process Steam Explosion Cold Press/Centrifuged HD SFME HD HD
Variety Ruby Red Rio Red Star Ruby Rio Red nr nr nr Ruby Red Rio Red Star Ruby
Location Florida Texas California Texas Turkey Turkey Nigeria India
Feedstock WG GP WG GP WG GP GP Peel Peel Rind Dry Peel
Density (g mL−1) 0.8444 0.8477 0.8431 0.8437 0.8438 0.8473 0.8527 0.856 0.862 0.883 0.854 0.861 0.862
Standard Error (±) 0.0004 0.0002 0.0006 0.0002 0.0004 0.0009 0.0001 nr nr nr 0.20 0.15 0.49

HD, Hydrodistillation.

SFME, Solvent Free Microwave Extraction.

nr, not reported.