In what weather does watermelon grow sweetest?

June is the peak season for watermelons.

"When the weather is hot, I want to eat watermelon, but of all the watermelons, which is the sweetest?" To this end, Ms. Pan turned to the newspaper's "Life Laboratory" column, hoping to understand the quality of various watermelons through experiments.

Yesterday, the reporter selected five popular watermelons in Nanning market and invited Hong Rixin, a watermelon and melon researcher from Guangxi Academy of Agricultural Sciences, to do experiments together.

experiment

Determination of sugar content of five watermelons

The reporter visited farmers' markets and supermarkets and found that there are nearly 10 varieties of watermelons in Nanning market at present, including Black Beauty, Tiger Skin Melon, Early Spring Ruby, Flower Skin Melon, Seedless Melon, One-horned Chan, Sweet King, etc. The prices range from 0.5 yuan/kg to 5 yuan/kg.

There are so many varieties of watermelons, the more expensive, the better. Do the experiment and you will know. The reporter selected five kinds of watermelons that are the most common in Nanning market at present: tiger skin melon, flower skin melon, seedless melon, unicorn chan and black beauty, and conducted a sugar content test on the spot. This experiment did not consider soil, climate, light, rain, temperature and other conditions, but assumed that five varieties of watermelon were the sweetest under the same growth conditions.

The whole experiment process is very simple. I saw Hong Rixin, a watermelon and melon researcher, cut the watermelon first, and then took a small piece of watermelon meat from the center of the watermelon with a knife. After squeezing out two or three drops of watermelon juice to remove water, he dropped the watermelon juice on the slide of the sugar meter. After covering the lid and waiting for a few seconds, Hong Rixin looked at the sugar detector under the light. "Look, the sugar content has been tested." Hong Rixin handed the sugar meter to the reporter. Through the sugar meter shaped like a microscope, the reporter saw the scale value of watermelon sugar. According to Hong Rixin, technicians who do watermelon research generally accept newly cultivated watermelons in this way. Watermelon is of good quality if its sugar content reaches11-12.

result

All three kinds of watermelons have high sugar content.

According to the test results, among the five watermelons selected by the reporter, tiger skin melon, flower skin melon and black beauty have higher sugar content. The sugar content of Hupigua and Huapigua is 12, and that of Black Beauty is 1 1.

In order to find out the characteristics of each kind of watermelon, the reporter tried these five kinds of watermelons and found that the taste was completely different. Take seedless melon as an example, the pulp is crisp and the taste is sweet but not greasy; Although the unicorn greedy melon skin is crisp and full of water, the entrance has a sweet and sour feeling; Needless to say, there are many black beauty seeds, but its meat is sweet and deeply loved by Nanning people.

The sugar content of Hupigua and Huapigua are both 12, among which Hupigua is sweet with sand and suitable for moisture. The sweet taste of huapi melon is lighter, and the soft melon meat melts in the mouth.

dispel

Same sugar content

Why does it taste different?

Why does the same sugar content taste different? Hong Rixin said that this is related to the indicators for detecting watermelons. "The sweetness of watermelon actually contains soluble solids, such as minerals such as sugar and acid. Although some watermelon varieties have the same sweetness, their sugar-acid ratio is different and their taste will be different. Watermelon, for example, tastes sweet because sugar accounts for a large proportion of soluble solids.

Hong Rixin said that there are all kinds of watermelons on the market now. From the taste of watermelon alone, it is indeed possible to choose watermelon from varieties. "Watermelons such as black beauty and tiger skin melon have higher sugar content. People who like sweet watermelons can choose these varieties. Especially black beauty, its sweetness is more stable than other varieties of watermelon, and the highest sweetness can reach 13. However, there are many black beauty seeds, and citizens who don't like too many seeds can not choose. "

This is to choose watermelon only from the taste. If you choose from the quality, you must combine the nutritional components of each variety of watermelon and choose only according to your own needs. Hong Rixin said that there are two main colors of watermelon and melon meat on the market at present, one is red melon meat. "This kind of watermelon contains a lot of lycopene, which is a natural antioxidant and can beauty beauty to some extent." Watermelon with yellow flesh is mainly rich in carotene, which is also very beneficial to human health. Perceive tmall