Protection of Citrus Fruits from Postharvest Infection with Penicillium digitatum and Degradation of Patulin by Biocontrol Yeast Clavispora lusitaniae 146

被引:24
作者
Diaz, Mariana Andrea [1 ]
Pereyra, Martina Maria [1 ]
Santander, Fabricio Fabian Soliz [1 ]
Perez, Maria Florencia [1 ]
Cordoba, Josefina Maria [1 ]
Alhussein, Mohammad [2 ]
Karlovsky, Petr [2 ]
Dib, Julian Rafael [1 ,3 ]
机构
[1] Consejo Nacl Invest Cient & Tecn CONICET, Planta Piloto Proc Ind Microbiol PROIMI, Av Belgrano & Pje, RA-4000 San Miguel De Tucuman, Argentina
[2] Univ Goettingen, Mol Phytopathol & Mycotoxin Res, Grisebachstr 6, D-37077 Gottingen, Germany
[3] Univ Nacl Tucuman, Inst Microbiol, Fac Bioquim Quim & Farm, Ayacucho 471, RA-4000 San Miguel De Tucuman, Argentina
关键词
patulin; postharvest disease; Penicillium; Clavispora lusitaniae; sensorial analysis; biocontrol spectrum; citrus; BIOLOGICAL-CONTROL; DEBARYOMYCES-HANSENII; RHODOSPORIDIUM-PALUDIGENUM; SACCHAROMYCES-CEREVISIAE; PREHARVEST APPLICATION; ANTAGONISTIC YEASTS; DISEASES; RESISTANCE; DETOXIFICATION; VEGETABLES;
D O I
10.3390/microorganisms8101477
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Fungal rots are one of the main causes of large economic losses and deterioration in the quality and nutrient composition of fruits during the postharvest stage. The yeast Clavispora lusitaniae 146 has previously been shown to efficiently protect lemons from green mold caused by Penicillium digitatum. In this work, the effect of yeast concentration and exposure time on biocontrol efficiency was assessed; the protection of various citrus fruits against P. digitatum by C. lusitaniae 146 was evaluated; the ability of strain 146 to degrade mycotoxin patulin was tested; and the effect of the treatment on the sensory properties of fruits was determined. An efficient protection of lemons was achieved after minimum exposure to a relatively low yeast cell concentration. Apart from lemons, the yeast prevented green mold in grapefruits, mandarins, oranges, and tangerines, implying that it can be used as a broad-range biocontrol agent in citrus. The ability to degrade patulin indicated that strain 146 may be suitable for the control of further Penicillium species. Yeast treatment did not alter the sensory perception of the aroma of fruits. These results corroborate the potential of C. lusitaniae 146 for the control of postharvest diseases of citrus fruits and indicate its suitability for industrial-scale fruit processing.
引用
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页码:1 / 12
页数:12
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