Determination of Juice Quality Metrics

Fresh juice was produced using a juicer (SUPOR SJ30, Shanghai, China) for use in the determination of SSC and TA. SSC was analyzed using a sugar refractometer (Atago PR-101R, Tokyo, Japan) [16 (link)]. TA was measured using an automatic titrator (794 Basic Titrino, Metrohm, Switzerland) and expressed as % citric acid [17 (link)]. pH was determined with a PHS-3E meter (Shanghai Leici Co., Ltd., Shanghai, China) [18 (link)]. MI values were calculated as the SSC/TA ratio.

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Lin Z., Li B., Liao M., Liu J., Zhou Y., Liang Y., Yuan H., Li K, & Li H. (2023). The Physicochemical Attributes, Volatile Compounds, and Antioxidant Activities of Five Plum Cultivars in Sichuan. Foods, 12(20), 3801.

Publication 2023

PR-101R

Citric acid Sugar

Corresponding Organization :

Other organizations : Sichuan Academy of Agricultural Sciences, Xinjiang Academy of Agricultural and Reclamation Science, Sichuan Agricultural University

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

SSC (Soluble Solids Content)
TA (Titratable Acidity)
MI (Maturity Index)

control variables

Fresh juice produced using a juicer (SUPOR SJ30, Shanghai, China)
SSC analyzed using a sugar refractometer (Atago PR-101R, Tokyo, Japan)
TA measured using an automatic titrator (794 Basic Titrino, Metrohm, Switzerland)
PH determined with a PHS-3E meter (Shanghai Leici Co., Ltd., Shanghai, China)

controls

No positive or negative controls were explicitly mentioned in the provided information.

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