Micro- and macro-element contents of several commercial fruit juices purchased from marked were determined by inductively coupled plasma atomic emission spectroscopy. Among the minor elements determined, Zn, Cu, Mn, Mo, Co, Cd and Ni were found to be lover. Major mineral contents of fruit juices were established as Ca, K, Mg and P. The potassium contents of fruit juices were determined at the h...

Narcissus is one of the very popular flowers among Iranians. This flower has a short life. To investigate the increasing of vase life of cut Narcissus, sour orange fruit extract in concentrations of 2.5, 4, 5.5 and 7 ml L-1 and sucrose in concentrations of 3, 4, 5 and 6% were used. In addition, distilled water was used as a control treatment. In this experiment, characters of vase life and perc...

Laser-induced fluorescence imaging is a promising technique for assessing quality of fruit. This paper reports on using a hyperspectral laser-induced fluorescence imaging technique for measurement of laser-induced fluorescence from orange for predicting soluble solids content (SSC) of fruit. A laser (632 nm) was used as an excitation source for inducing fluorescence in oranges. Fluorescence sca...

Background: Staphylococcus aureus is a major food-borne pathogen worldwide and a frequent contaminant of fruit juices. This study aimed to evaluate the antibacterial activity of bacteriocin-containing Cell-Free Culture Supernatants (CFCS) of Pediococcus pentosaceus IO1 against S. aureus inoculated in fruit juices, as well as their impact on the juice sensory attributes. Methods: The orange and...

narcissus is one of the very popular flowers among iranians. this flower has a short life. to investigate the increasing of vase life of cut narcissus, sour orange fruit extract in concentrations of 2.5, 4, 5.5 and 7 ml l-1 and sucrose in concentrations of 3, 4, 5 and 6% were used. in addition, distilled water was used as a control treatment. in this experiment, characters of vase life and perc...

abstract background and aim: reduction of dental plaque ph is an effective factor in the incidence of dental caries. one of the common methods for assessment of the cariogenic potential of food products is the study of plaque ph changes in the oral environment. the present study was performed due to the importance of dental plaque and its known complications and also the increase in consumption...

abstract antioxidant capacity and quality of fruits usually changed during storage. in the current study, the changes of antioxidant capacity and postharvest quality of two blood (pigmented) orange cultivars (‘tarocco’ and ‘morro’) and ‘thompson navel’ orange, after 60 days storage at 7ºc and 90 rh% was investigated. during fruit storage weight loss, tss, ta, tss/ta, vitamin c, total phenol, an...

backgrounds and aims: the purpose of this study was to examine the effects of potassium, sodium and zinc metal ions on ammonium sulfate fraction of acid phosphatase activity of orange fruit. materials and methods: acid phosphatase was extracted and purified from orange fruit and then various samples as well as a control sample were prepared in vitro. in addition to substrates, ions of potassium...

An optimum method has been developed for extracting volatile organic compounds (VOCs) which contribute to the aroma of different species of citrus fruit (orange, lemon, lime, and mandarin). Headspace solid phase microextraction (HS-SPME) combined with gas chromatography (GC) coupled with flame ionization detection (FID) is used as a very simple, efficient and nondestructive extraction method. A...

In Southern California the Valencia orange (Citruis sinensis, L.) attains maximum orange rind color during winter and regreens s-omewhat by harvest time the following summer. The degree of regreening has been correlated with temperature patterns and with nitrogen nutrition (2, 5). It has also been reported (3) that applications of potassium gibberellate (KGA) to Valencia trees were associated w...