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Polyphenols (/ ˌ p ɒ l i ˈ f iː n oʊ l,-n ɒ l /) are a large family of naturally occurring phenols. [1] They are abundant in plants and structurally diverse. [1] [2] [3] Polyphenols include phenolic acids, flavonoids, tannic acid, and ellagitannin, some of which have been used historically as dyes and for tanning garments.
Polyphenol compounds may interact with volatiles and contribute to the aromas in wine. [49] Although wine polyphenols are speculated to provide antioxidant or other benefits, there is little evidence that wine polyphenols actually have any effect in humans.
Polyphenon is a series of high grade green tea polyphenol extracts manufactured by the Mitsui Norin Co., Ltd. of Japan. [1] [2] The extracts are in part the result of a water based extraction method which begins with green tea leaves, and then involves successive steps which concentrate the catechins thought to be responsible for the health benefits of green tea.
Instant coffee in a concentrated liquid form, as a beverage, is also manufactured. Advantages of instant coffee include speed of preparation (instant coffee dissolves quickly in hot water), lower shipping weight and volume than beans or ground coffee (to prepare the same amount of beverage), and long shelf life —though instant coffee can ...
Phenol reacts with dilute nitric acid at room temperature to give a mixture of 2-nitrophenol and 4-nitrophenol while with concentrated nitric acid, additional nitro groups are introduced, e.g. to give 2,4,6-trinitrophenol. Friedel Crafts alkylations of phenol and its derivatives often proceed without catalysts. Alkylating agents include alkyl ...
Leo-fied Lassi — smoothie served in an edible chocolate terrarium and made from vanilla yogurt, green apple and kiwi puree, Calpico concentrate, simple syrup, and spinach, with an Oreo crumble