Red Dragonfruit Essay

CHAPTER 1

The Problem and Its Setting

Introduction

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As one of Vietnam 's most profitable crops, it is exported to markets all over the Southeast Asia. The commercialization of the crop is also catching up in Thailand, New Zealand, Australia and Hawaii.6 Red dragonfruit (Hylocereus polyrhizus) or “Pitaya” is gaining its popularity in the Philippine market. The plant is adapted to tropical or arid climate with rainfall of 30-40 inch and any kind of oil with organic matter. Red dragonfruit is a vining, terrestrial or epiphytic cactus with succulent three-winged, green stems, reaching up to 20 feet long.7 Red dragonfruit is among the most nutritious and wonderful exotic fruits, due to its vital nutrients, the Pitaya fruit is suitable for all diets as it supplements fiber which is best for laxative and liver. Studies also suggest that dragon fruit promotes the growth of probiotics. Similarly, people who have high blood pressure, diabetes, and obesity have attested to the fruits goodness. Recent findings show that if an obese person eats a Pitaya fruit on a regular basis it naturally reduces the weight considerably, creating a well-balanced body without compromising on the individual’s

(2002), Wybraniec and Mizrahi (2002), dragon fruits are totally devoid of betaxanthins and there are at least seven identified betacyanins in the Hylocereus genus namely: betanin, isobetanin, lhyllocactin, isophyllocactin, betanidin, isobetanidin and bougainvillein-R-I where all have identical absorption spectra that contribute to the deep purple colored pulp. Studies have shown that a mature dragon fruit contains considerable amount of total soluble solids, rich in organic acids (Stintzing et al., 2003), protein (Le Bellec et al., 2006) and other minerals like potassium, magnesium, calcium and vitamin C. Cai et al. (2003) reported that the structure activity relationships of various betacyanins and betaxanthins exhibited free radical scavenging capacities which further contribute to the elevation of interest in H.polyrhizus to be a source of antioxidant.9 Today, the researchers have been shown that the recent findings in the Red dragonfruit show that the fruit helps in the supplementation of fiber which is best for laxative and liver. It is also mentioned that the Red dragonfruit is helpful in patients with high blood pressure, diabetes, and