Decontamination potential of date palm fruit via non-thermal plasma technique

被引:3
作者
Lotfy, Khaled [1 ,2 ]
Al-Qahtani, Salem [1 ]
Al-Harbi, Nadi [1 ]
El-Absy, Karima [1 ,3 ]
Shulaybi, Faisal Bu [4 ]
Alali, Saeed [4 ]
Mashtoly, Tamer [4 ,5 ]
机构
[1] Univ Tabuk, Branch Tayma, Fac Sci, Dept Biol, POB 741, Tabuk 71491, Saudi Arabia
[2] King Marriott Higher Inst Engn & Technol, Alexandria, Egypt
[3] Desert Res Ctr, Plant Ecol & Ranges Dept, Ecophysiol Unit, Cairo, Egypt
[4] Minist Environm Waters & Agr, Palm & Dates Res Ctr, Al Mubarraz 36321, Al Ahsa, Saudi Arabia
[5] Ain Shams Univ, Fac Agr, Dept Plant Protect, Cairo 11241, Egypt
关键词
ATMOSPHERIC COLD-PLASMA; POSTHARVEST DISEASES; ESCHERICHIA-COLI; GAS-DISCHARGE; INACTIVATION; STERILIZATION; FRESH; TEXTURE; QUALITY; OZONE;
D O I
10.1038/s41598-022-22335-5
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The potential of the surface dielectric barrier discharge technique (SDBD) was evaluated to decontaminate the date palm fruit. Preliminary investigations emphasized that Aspergillus niger fungus was predominant in most date samples as a post-harvest infestation. The influence of SDBD techniques on the viability of A. niger isolated from date varieties was investigated and documented. Physical and chemical characterizations of treated dates were assessed, and statistical correlation coefficients were calculated and elucidated. A 4 log(10) reduction of A. niger radial growth was observed at 3 min exposure/15 days of incubation. Simultaneous reductions in pH, water activity, and moisture content of treated dates were observed when compared to untreated dates. Statistical analysis showed a positive correlation between physical and chemical variables with the viability of A. niger in treated samples. Therefore, we believe that SDBD treatment will be a promising technique for decontaminating date fruits from attacked fungi, which will positively impact sustainable food security and consumer health.
引用
收藏
页数:15
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