The Volatile Profile Characterization of Different Vinegars from the International Market

The present study aims the fingerprint characterization of 14 different vinegars purchased from the local market of different countries (Romania, Germany, Italy and France) and the identification of the major „marker compounds” present in all the analyzed vinegar

Studies on Functional Yogurt with Added Inulin as Prebiotic Fiber

Products that contain both probiotics and prebiotics are known as symbiotic, these products are able to modify the composition of the internal microflora, with the beneficial effects on the consumer's body. The objective followed in this study was the obtaining of probiotic yogurt in which inulin is added. The control consists in an organoleptic examination, a physicochemical examination and monitoring of the evolution of bifidobacteria. The results obtained showed a progressive evolution by adding inulin. The highest difference was recorded for yogurt type 3 with an addition of 3% inulin, the number of bifidobacteria increased with 1.04x109 cfu/g in only 7 days, reaching 1.30 x 109 cfu/g.</p

Chemometric Comparison and Classification of Some Essential Oils Extracted from Plants Belonging to Apiaceae and Lamiaceae Families Based on Their Chemical Composition and Biological Activities

This study is focused on the comparison and classification of parsley, lovage, basil, and thyme essential oils (EOs) based on their chemical composition, total phenolic content, antioxidant and antibacterial activities by using appropriate chemometric methods: Principal component analysis (PCA) and hierarchical cluster analysis (HCA). The results showed that parsley, lovage, and thyme EOs are rich in monoterpene hydrocarbons, but basil EO is rich in oxygenated monoterpenes and phenylpropanoids, and that both PCA and HCA separated essential oils into two main groups of which one contains two sub-groups. &beta;-Phellandrene was the major component identified in parsley and lovage EOs, estragole was the major component in basil EO, and p-cymene was the major component in thyme EO. Thyme EO showed the highest level of total phenolics, the highest antioxidant capacity, and exhibited the stronger antibacterial activity, results that were emphasized by both chemometric methods used. Among tested essential oils, the one of parsley was distinguished by a low total TPC, weak antioxidant activity, and weak antibacterial activity against S. enteritidis (ATCC 13076); lovage EO by low TPC, weak antioxidant activity, but moderate antibacterial activity; and basil EO by low TPC, moderate antioxidant activity, and weak antibacterial activity against L. monocytogenes (ATCC 19114)

Utilization of brewer’s spent grain and mushrooms in fortification of smoked sausages

Abstract The aim of this study was to obtain alternative types of smoked sausage by using some vegetable raw materials rich in protein. To this end, smoked sausages with brewer’s spent grain [1.5, 3, and 6% w/w], smoked sausages with mushrooms [10, 17, and 30% w/w], and smoked sausages with mixtures of brewer’s spent grain-mushrooms [3/8% and 1.5/16% w/w] were prepared. Three of these formulations were selected based on panellist’s preference, one for each assortment, and stored under darkness at 4°C and 49% relative humidity for 15 days. Smoked sausage samples were collected at three different storage times (T0, initial state; T1, at day 7 of storage; T2, at day 15 of storage) and evaluated from the physicochemical and microbiological point of view to determine their stability during the intended storage period. Regardless of the type of assortment, storage time had a significant influence on the physicochemical and microbiological properties of smoked sausages. Among all samples, the smoked sausage with a mixture of 3% brewer’s spent grain and 8% mushrooms was the most appreciated by the panellists