Influence of heat treatment on the antioxidant activities and polyphenolic compounds of Shiitake (Lentinus edodes) mushroom

Influence of extraction conditions on antioxidant properties of passion fruit (Passiflora edulis) peel

“…Similarly, 40% ethanol was also found to be most effective in extracting catechins from green and white tea [Rusak et al 2008]. Our result is in agreement with some of the studies that binary solvent system particularly aqueous alcohol was more effective than mono-solvent system in extracting antioxidant compounds [Choi et al 2006, Ghafoor et al 2009]. Aqueous ethanol is commonly used in extraction of antioxidants in plant [Chew et al 2012].…”

“…Extraction parameters such as type of solvent, solvent concentration, extraction temperature, extraction time, and solvent-to-solid ratio are the major consideration for enhancement of extraction effi ciency to obtain optimal amount of bioactive compounds in the extract [Pinelo et al 2005, Naczk and Shahidi 2006, Spigno et al 2007. Different drying methods used have also been reported to affect the antioxidant activity of fruits and vegetables [Choi et al 2006, Chantaro et al 2008, Kuljarachanan et al 2009, Suvarnakuta et al 2011. To the best of our knowledge, studies on the effect of different extraction conditions on antioxidants in fruit peel are still scarce.…”

Phenolic composition and antioxidant properties of Pleurotus ostreatus and Pleurotus eryngii enriched with selenium and zinc

“…Total flavonoid content (TFC) was measured according to Choi et al [34], and also Lin and Tang [35] with some modifications. A total of 250 µL of methanolic extract, 1.25 mL of distilled water and 75 µL of 5 % NaNO 2 were mixed together.…”

Drying characteristics and quality of shiitake mushroom undergoing microwave-vacuum drying and microwave-vacuum combined with infrared drying

“…Shiitake mushroom (Lentinus edodes) is one of the most common edible mushrooms and it is the second most cultivated edible mushroom (Chandra et al 2011). Numerous studies have shown its medicinal attributes including anti-tumor, antimicrobial, liver function improving, cholesterol lowering activity (Choi et al 2006), lowering blood pressure and strengthening the immune system against diseases including viral ones (Reguła and Siwulski 2007). However, fresh shiitake mushrooms are highly perishable and start deteriorating within a day after harvest, causing difficulties in their distribution and marketing as fresh products.…”