Ginger extract test paper for the preservation of fresh figs

doi:10.16178/j.issn.0528-9017.20230636

Abstract

Abstract:

The preservation test paper made of ginger extract has a preservation effect on fresh figs. 75% ethanol extract of ginger (final concentration of 1 g·L^-1) was evenly sprayed on food-grade filter paper and the paper was dried to make bio-preservation test paper, which are used to cover the upper and lower layers of the packaging box, place the figs in it and observe its preservation effect. The results showed that compared with the control, the biopreservation test strips significantly reduced the weight loss rate and decay rate of fruits, and maintained higher contents of soluble solids and V_C. In general, the ginger preservation test paper extended the storage period of figs by 2-4 days. The quality of fresh figs is maintained, and it can be used for long-distance storage and transportation of figs.

Key words: ginger extract, fig, preservation

CLC Number:

TS205

LIU Li, XU Weiwei, QIAN Jichang, JIN Liang, LI Xiaobai. Ginger extract test paper for the preservation of fresh figs[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(8): 1911-1914.

Figures/Tables 2

References 19

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处理	失重率/%					腐烂率/%
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	0	5.8±0.6	8.3±1.2	11.5±0.3	12.3±2.3	0	6.7±0.1	23.3±2.9	53.3±3.7	70.0±5.9
生物保鲜试纸	0	2.1±0.4^*	3.6±0.3^*	8.6±0.3^*	9.1±1.1^*	0	0^*	0^*	6.7±0.6^*	13.3±1.5^*

处理	失重率/%					腐烂率/%
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	0	5.8±0.6	8.3±1.2	11.5±0.3	12.3±2.3	0	6.7±0.1	23.3±2.9	53.3±3.7	70.0±5.9
生物保鲜试纸	0	2.1±0.4^*	3.6±0.3^*	8.6±0.3^*	9.1±1.1^*	0	0^*	0^*	6.7±0.6^*	13.3±1.5^*

处理	可溶性固形物含量/%					可滴定酸含量/%
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	12.2±0.60	14.3±1.97	13.1±1.01	11.8±1.32	11.1±0.83	0.22±0.01	0.24±0.01	0.23±0.02	0.22±0.02	0.21±0.04
生物保鲜试纸	13.5±1.55	14.6±2.08	14.9±1.04	14.2±0.45^*	13.8±1.22^*	0.22±0.03	0.25±0.03	0.22±0.01	0.20±0.04	0.18±0.02
处理	糖酸比					Vc含量/‰
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	55.45±2.04	59.58±1.13	56.96±2.19	53.64±1.92	52.86±0.12	75.6±2.32	74.5±3.61	62.8±3.04	56.2±2.02	46.5±2.61
生物保鲜试纸	61.36±5.11	58.40±1.17	67.73±2.17^*	71.00±3.04^*	76.67±0.17	77.2±3.05	75.3±4.12	73.7±3.36^*	70.1±3.08^*	68.8±3.12^*

处理	可溶性固形物含量/%					可滴定酸含量/%
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	12.2±0.60	14.3±1.97	13.1±1.01	11.8±1.32	11.1±0.83	0.22±0.01	0.24±0.01	0.23±0.02	0.22±0.02	0.21±0.04
生物保鲜试纸	13.5±1.55	14.6±2.08	14.9±1.04	14.2±0.45^*	13.8±1.22^*	0.22±0.03	0.25±0.03	0.22±0.01	0.20±0.04	0.18±0.02
处理	糖酸比					Vc含量/‰
处理	2 d	4 d	6 d	8 d	10 d	2 d	4 d	6 d	8 d	10 d
对照	55.45±2.04	59.58±1.13	56.96±2.19	53.64±1.92	52.86±0.12	75.6±2.32	74.5±3.61	62.8±3.04	56.2±2.02	46.5±2.61
生物保鲜试纸	61.36±5.11	58.40±1.17	67.73±2.17^*	71.00±3.04^*	76.67±0.17	77.2±3.05	75.3±4.12	73.7±3.36^*	70.1±3.08^*	68.8±3.12^*