Article: Antimicrobial activity of Citrus spp. and Anethum graveolens components against Candida metapsilosis in ranch sauce
Journal of food science and technology. 2020 July, v. 57, no. 7
2020
Abstract: In this paper, a study was carried out to test the inhibitory effect of a natural food compound (NFC), based on flavonoids (naringenin, hesperetin, tangeritin, luteolin, apigenin and kaempferol) from citrus and dill, in ranch sauce. A strain of C. ... ...
| Abstract | In this paper, a study was carried out to test the inhibitory effect of a natural food compound (NFC), based on flavonoids (naringenin, hesperetin, tangeritin, luteolin, apigenin and kaempferol) from citrus and dill, in ranch sauce. A strain of C. metapsilosis, isolated from a spoiled sample of ranch sauce, was used as target pathogen microorganism. The inhibitory effect of NFC was compared with a common mixture of chemical preservatives used in this type of sauces: potassium sorbate and sodium benzoate (S/B). An in vitro test was performed by the microtiter plate assay at 10, 25 and 37 °C for 24 h in modified Tryptic Soy Broth. An additive antimicrobial effect had been observed in the combination of acetic acid and NFC. The results of the microtiter assay were validated in a challenge test in ranch sauce at 5, 25 and 37 °C for 10 weeks. NFC showed partial fungicidal effect against C. metapsilosis, reducing two logarithmic units at 5 °C for 10 weeks. At 5 °C, the traditional doses of S/B used in ranch sauce decreased viable cells to non-detectable counts from the second week of the experiment. At 25 and 37 °C, the use of S/B mixture or the use of NFC showed the same fungicidal effect. The incorporation of NFC, alone or in combination with acetic acid, opens the possibility of formulating clean label sauces with good protection against the development of the acid resistant yeast C. metapsilosis. |
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| Keywords | Anethum graveolens ; Candida ; Citrus ; acetic acid ; acid tolerance ; antifungal properties ; apigenin ; dill ; food science ; hesperetin ; kaempferol ; luteolin ; naringenin ; pathogens ; potassium sorbate ; sodium benzoate ; technology ; yeasts |
| Language | English |
| Dates of publication | 2020-07 |
| Size | p. 2713-2721. |
| Publishing place | Springer India |
| Document type | Article |
| Note | NAL-AP-2-clean |
| ZDB-ID | 242498-8 |
| ISSN | 0975-8402 ; 0022-1155 |
| ISSN (online) | 0975-8402 |
| ISSN | 0022-1155 |
| DOI | 10.1007/s13197-020-04307-7 |
| Database | NAL-Catalogue (AGRICOLA) |
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