Potential impact of ultrasound, pulsed electric field, high-pressure processing and microfludization against thermal treatments preservation regarding sugarcane juice (Saccharum officinarum).

Sugarcane juice (Saccharum officinarum) is a proven nutritious beverage with high levels of antioxidants, polyphenols, and other beneficial nutrients. It has recently gained consumer interest due to its high nutritional profile and alkaline nature. Still, high polyphenolic and sugar content start the fermentation in juice, resulting in dark coloration. Lately, some novel techniques have been introduced to extend shelf life and improve the nutritional value of sugarcane juice. The introduction of such processing technologies is beneficial over conventional processes and essential for producing chemical-free, high-quality, fresh juices. The synergistic impact of these novel technologies is also advantageous for preserving sugarcane juice. In literature, novel thermal, non-thermal and hurdle technologies have been executed to preserve sugarcane juice. These technologies include high hydrostatic pressure (HHP), ultrasound (US), pulsed electric field (PEF), ultraviolet irradiation (UV), ohmic heating (OH), microwave (MW), microfludization and ozone treatment. This review manifests the impact of novel thermal, non-thermal, and synergistic technologies on sugarcane juice processing and preservation characteristics. Non-thermal techniques have been successfully proved effective and showed better results than novel thermal treatments. Because they reduced microbial load and retained nutritional content, while thermal treatments degraded nutrients and flavor of sugarcane juice. Among non-thermal treatments, HHP is the most efficient technique for the preservation of sugarcane juice while OH is preferable in thermal techniques due to less nutritional loss.

Risk and blood-borne virus testing among men who inject image and performance enhancing drugs, Sydney, Australia.

INTRODUCTION AND AIMS: Needle and syringe program (NSP) workers have highlighted that people who inject image and performance enhancing drugs (IPED) in Australia are a younger and more culturally and linguistically diverse (CALD) group compared with other groups who inject drugs. Previous research has found riskier injecting practices and faster Hepatitis C acquisition rates among people who are new to injecting drugs and self-identify with CALD backgrounds, compared with their Anglo-Australian counterparts. Given recent indications of increasing IPED prevalence in Australia and elsewhere, this study sought to update knowledge of infection risk among a large group of IPED injectors, as well as explore sub-group differences. DESIGN AND METHODS: A cross-sectional survey of men who inject IPEDs was conducted from September 2014 to January 2015 at nine NSP sites, across five local health districts in Sydney, Australia. RESULTS: Six hundred and five people participated. Small proportions reported previous 12month needle or syringe sharing (2.3%), sharing vials (4.6%), injecting psychostimulants (5.1%) or personal needle or syringe reuse (5.2%). Participants from CALD backgrounds were more likely to report sharing needles or syringes (P = 0.004), and participants from Middle Eastern and North African backgrounds were less likely to have ever been tested for blood-borne viruses, compared with Anglo-Australian participants (P = 0.04). DISCUSSION AND CONCLUSIONS: The findings show that some groups who inject IPEDs may be more vulnerable to blood-borne virus transmission and/or less likely to know their blood-borne virus status. From design to delivery, IPED harm minimisation strategies should pay attention to the needs of CALD groups.