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Outline
To investigate the effects of light exposure on the storage quality of Phyllanthus emblica L. preserved fruit and to establish a shelf-life prediction model, this study subjected two varieties, 'Huafeng' (HF) and 'Wild' (YS), packaged in transparent (TM) and light-blocking (BG) packaging bags were used as research objects. Accelerated storage experiments were carried out for 25 days at 25 ℃ and 2000 lux light conditions. Monitor 18 indicators changes, including color, texture, chemical composition, antioxidant activity, and sensory dynamically. Pearson correlation analysis and chemical kinetic modeling were integrated to construct a shelf-life prediction model, enabling the estimation of product stability based on critical quality attributes. The results demonstrated that light exposure significantly accelerated quality deterioration. Notably, the L* value, b* value, hardness, elasticity, chewiness, moisture content, total acid, total sugar, reducing sugar, ascorbic acid, total phenols, flavonoids, antioxidant activity, and overall sensory score decreased significantly (P<0.05), whereas the a* value, ΔE value, and cohesiveness increased (P<0.05). Light-blocking (BG) packaging effectively delayed this deterioration. On day 25, the overall sensory scores ranked as follows: BG-YS>BG-HF>TM-YS>TM-HF. Pearson correlation analysis identified L* value, elasticity, and ascorbic acid content as the indicators most strongly correlated with sensory score. These were selected as key predictors, and their degradation followed zero-order kinetics. The established shelf-life prediction model showed a relative deviation between predicted and actual values of less than 10%, confirming its accuracy and reliability for the rapid assessment of the product's shelf life.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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