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Bruno Garcia Vasconcelos,Rafael Chacon Ruiz Martinez,Inar Alves de Castro,Susana Marta Isay Saad 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.6
Acceptance and the probiotic viability of aninnovative non-dairy frozen açaí (Euterpe oleracea, Mart.)dessert supplemented and not supplemented with inulinduring a shelf-life of 84 days at −18oC were investigated. Desserts containing and not containing probiotic Lactobacillusacidophilus La-5 and Bifidobacterium animalis Bb-12 andinulin were produced, resulting in 4 mixes of frozen açaí:control (M1), pro (M2), pre (M3), and synbiotic (M4). Sensory acceptability scores and probiotic counts wereobtained during 84 days of storage. Inulin, a key factor forproduct approval, significantly (p<0.05) increased overallproduct acceptance of both M3 and M4, compared withM1. La-5 viability was above 7 log CFU/g for both pro andsynbiotic desserts. Bb-12 counts were above 6 log CFU/gonly for M4. All frozen açaí desserts were suitable forprobiotic delivery and were accepted by consumers. Addition of inulin is recommended both for increasingacceptance and for the synbiotic potential.
Ambient Air Waste Sorting Facilities Could Be a Source of Antibiotic Resistant Bacteria
( Ana Calheiros ),( Joana Santos ),( Carla Ramos ),( Marta Vasconcelos ),( Paulo Fernandes ) 한국미생물 · 생명공학회 2021 한국미생물·생명공학회지 Vol.49 No.3
The antimicrobial resistance of Staphylococcus spp. and Gram negative strains present in air samples from waste sorting facilities was assessed. Phenotypic studies have revealed a high percentage of strains of Staphylococcus spp. resistant to methicillin. Genotypically and by RT-PCR, it was found that the mecA gene usually associated with methicillin resistance was present in 8% of the Staphylococcus strains isolated. About 30% of the Gram negative strains from the same samples also displayed resistance to meropenem and 79% of these were resistant to multiple antibiotics from different classes, namely cephalosporins and β- lactams. The results suggest that in professional activities with high levels of exposure to biological agents, the quantification and identification of the microbial flora in the work environment, with the determination of the presence of potential agents displaying multi-resistances is of relevance to the risk assessment. The personal protection of workers is particularly important relevance in these cases, since many of the strains that exhibit multi-resistance are potential opportunistic agents.