Green Tea (Article)
Green
tea is one of the healthiest beverage in the world. Consuming green tea gives
us many benefits. First, green tea improves brain function and makes you
smarter. Green tea contains caffeine, which is known as stimulant, but not as
much as in coffee. Caffeine leads to improvements in various aspects of brain
function, including improved mood, recetion time, and memory. Second, green tea
contains bio-active compounds that improve health. Green tea contains
polyphenol, such as flavonoids and catechins which function as antioxidant. The molecular structure of the flavanol compound is
almost identical to that of catechins but differs in the oxidation state of the
primary diphenylpropane nuclei. Flavanol is one of the many natural
antioxidants present in food plants and has the ability to bind metals.
Flavanol compound in tea is less called as a determinant of quality, but is
known to have activity that can strengthen dnding capillary blood vessels and
stimulate the collection of vitamin c. Flavanols in tea leaves include
kaemferol compounds, quartetin, and mirisetin with 3-4% content of dry weight.
Catechins are also commonly referred to as polyphenol
compounds because they have more than one phenol group. Catechin compounds are
the most important compounds in tea leaves that serve as a healthy antioxidant
body. The jam catechin compounds also play a role in determining the nature of
tea products such as flavor, color and aroma. Catechin compounds in reactions
with caffeine, proteins, peptides, copper ions and cyclodextrins form several
complex compounds that are strongly associated with flavor and aroma. Catechins
determine the color of seduhan, in the process of enzymatic oxidation
(fermentation) some catechins decompose into theaflavin compounds that
contribute to give the yellow color and thearubigin compounds that contribute
to give a brownish red color.
Green
tea has also some minerals that is good for your health. Mineral content in tea leaves about 4-5% of leaf dry
weight. The types of minerals contained in the tea leaves are K, Na, Mg, Ca, F,
Zn, Mn, Cu, and Se. Compared with other minerals, F is a mineral that has the
highest content in tea leaves, which has an important function in maintaining
and strengthening teeth to avoid caries.
Third,
antioxidant in green tea may lower your risk of various typs of cancer. As we
know, antioxidants have a protective effects against cancer. Green tea drinkers
are significantly less likely to get cancer. For your information, do not put
milk on your green tea for it can reduce the antioxidant in it.
Aroma is one of the important properties as a determinant of the quality of tea, where the aroma is very closely related to the aromatic substance contained in the tea leaf. Is there a natural aromatic compound already present in tea leaves?
BalasHapusAromatic compounds that are naturally present in the tea leaves of lonalool, linanool oxide, pfhenuetanol, geraniol, benzyl alcohol, methyl salicylate, n-hexanal and cis-hexenol.
HapusWe also know that green tea make by the tea leaf, how about the another part? Is that have same benefits? And how about the chemical substance, is it same?
BalasHapusYes, same. Benefits of Green Tea include antioxidants, repair damaged cells, smooth the skin, slimming the body, prevent cancer, prevent heart disease, reduce cholesterol in the blood, blood circulation. So, do not be surprised if this drink is touted as a drink rich in benefits. In scientific research, pharmacological use of tea is found for the human body. Caused by various types of chemical compounds such as amino acids, pure alkaloids, aromatic substances and vitamins. In addition, some elements in tea are catechins, polyphenols, caffeine, and others.
HapusHaii rahmii.. Can you explain why our life cant separated of chemical reactions?
BalasHapusHi rinii, we know, in fact most of the things we do in life are related to chemistry. All materials in nature are composed of chemical elements. Matters related to food, clothing, fuel, medicine, building construction materials, electronic industry materials, and products involving chemistry. Therefore, the role of chemistry is felt in life and various fields of scientific study.
HapusWhy do minerals containing f have a very high content?
BalasHapusBecause this mineral content plays an important role in maintaining and strengthening teeth to avoid caries. Laboratory studies in Japan show that tea helps prevent the formation of dental plaque and kill the bacteria of the mouth that causes swelling of the gums.
HapusI want to lose my weight, can I use green tea?
BalasHapusGreen tea is a drink that is more than just a regular body warming drink. Green tea contains substances that can help you lose fat. Bioactive substances in tea leaves dissolve in water and make it into a dessert drink. When you drink a cup of quality tea, you really get a whole bunch of beneficial substances with powerful biological effects.
HapusWith the consumption of three cups of green tea every day, you can lose your weight slowly. Catechins are antioxidants that fight and can even prevent cell damage, have been shown to help in weight loss, especially abdominal fat.
Is green tea a fat burner? Is weight loss a benefit of green tea?
BalasHapusYes, of course. Green tea contains substances that can help you lose fat one of them is a catechin which is an antioxidant that can help lose weight, especially fat in the stomach.
HapusAmong all the advantages of green tea, does green tea have flaws? If any please explain
BalasHapusIn addition to the benefits, green tea also has deficiencies when consumed in excess.
HapusAlthough caffeine has a good effect, caffeine also has a bad effect. Although caffeine is owned by tea only half of coffee, but it can cause adverse effects to health. Caffeine can increase heart rate and blood pressure. In addition, caffeine also increases blood sugar. Therefore, diabetics need to be careful about consuming green tea. Tea is a strong stimulant for stomach acid so that tea is less suitable with people who have sensitive stomach.
The content of green tea such as caffeine, catechin and tannic acid is at risk for pregnancy. Bilai consumed in large quantities, will cause the risk of birth defects in the neural tube in infants. Therefore, pregnant women and nursing mothers are encouraged to limit the consumption of green tea. Even if necessary, early in pregnancy, green tea is not consumed at all.
Green tea can reduce the absorption of iron so green tea is harmful for people with anemia. Green tea is not good for children because the caffeine content can stimulate excessively. In addition, tannins may inhibit the absorption of nutrients such as protein and fat in children. Although preventing tooth decay, green tea can create plaque on the teeth. This plaque when not cleaned will harden into tartar.
What your opinion about something made tea have a quality?
BalasHapusAnything of high quality must have more taste than something of a standard quality. Similarly tea, high-quality tea will certainly have a more delicious flavor than a standard-quality tea. But as good as any quality of tea, the pleasure will remain less than maximal if made with less precise brewing.
Hapus