Mulberry Leaf P.E.
Latin name: Morus alba L.
Chinese name: Sang Ye
Family: Moraceae
Genus: Morus
Part used: Leaf
Ingredients：1-Deoxynojirimcin(1-DNJ)
Specification：4:1 10:1 0.5%
Test Method：HPLC
1. The Summary
Folium Mori means the fresh or dry leaf of Morus alba L., with
English name as Mulberry Leaf. There are 16 kinds of this plant all
over the world, distributing in the north temperate zone, the Asian
tropics, the African tropics and the American area. 11 kinds of
them grow in China, distributing in most areas of the country,
major in Jiangsu, Zhejiang, the southern areas for raising
silkworms.
Mulberry belongs to deciduous arbor, with shrub form in common. The
bark presents ochre color, and the branch in grey-white color, with
soft hairs when tender. The leaf is like oval, with length 5—10cm,
maximum to 20 cm. Unisexual flower, in yellowish-green color, comes
into bloom with leaf in the same time. Florescence: April May;
Fruit period: June July.
2 .The use history of Mulberry Leaf
There is a long history for planting mulberry tree in China, over
3,000 years of history for cultivation. In the most ancient The
Book of Songs ”, there were some descriptions about mulberry. The
mulberry leaf can be used as raising silkworms, and the mulberry
bark may be used as papermaking, the fruits can be used for food.
The leaf, the branch, the fruit and the root all can be used as
medicine.
The mulberry is very tasty, with no side effect. The scholars in
ancient China substituted mulberry leaves for tea leaves in the
beverages, for maintaining the youth. Mulberry leaf is also a kind
of traditional Chinese medicine most in use. Except for expelling
wind-evil & clearing heat, clearing liver & improving
visual acuity, it still has the effect for preserving youthful
looks & blacken hairs. The efficacy of the mulberry leaf is
rather wide, including relieving cough, eliminating heat; curing
dizzy, clearing eyes’ fatigue; promoting the subsidence of
swelling, clearing blood; curing dysentery, stomachache;
invigorating liver and skin-care, etc.
There are some records in Japan that mulberry leaf can improve
diabetes. The Central Institute of Silkworm Industry in Japan has
developed the mulberry tea for health care, which contains rich of
protein in best quality, fat acid in need, coarse fibre,
carbohydrate and some nutritive elements of calcium, phosphorus,
iron, zinc and manganese. It’s very convenient for drink, with fast
absorption of the nutritive elements, along with the effect for
promoting metabolism and blood cycle, removing fatigue, etc.
Besides the mulberry leaf tea, Japanese still put out series foods
of mulberry leaf noodles, mulberry leaf sweet cake and mulberry
leaf buckwheat noodles. Also the mulberry leaf extracts can be used
as safe colouring for cakes.
In the treatment of Chinese medicine, the mulberry leaf can be used
as the medicine to improve diabetes and some other difficult and
complicated cases. The mechanism for mulberry leaf tea to lose
weight is related to its effect of removing swelling” and clearing
blood ”. Mulberry leaf tea can remove swelling, it’s due to the
mulberry leaf favourable to the water. This effect is different
from diuresis, it not only can improve urination, but also remove
the surplus moisture piling in the cells.Clearing bloodmeans
removing the excessive neutral fat and biochem cholesterol in the
blood. More neutral fat or biochem cholesterol in the blood means
high blood fat disease. Therefore, the fat people are easy to get
high blood fat disease. Mulberry leaf has the effect to improve
high blood fat.
3. The major chemical composition
(1) Flavone and Flavone Glycosides
The mulberry leaf contains compounds of rutin, quercetin,
isoquercitrin and Quercetin-3-Triglucoside, etc.
(2) Steroids
Including - sitosterol, stigmasterol, campesterol,
-sitosteryl--D-glucoside, mesoinositol and metamorphic hormone such
as inokosterone and ecdysterone.
(3) Volatile Oils
Acetic acid, propionic acid, butyric acid, isobutyric acid, valeric
acid, isovaleric acid, caproic acid, isocaproic acid, methyl
salicylate, guaiacol, phenol, o-cresol, m-cresol, eugenol, etc.,
also containing oxalic acid, fumarate, tartaric acid, citric acid,
succinic acid, palmitic acid, ethyl palmitate, henthriacontane and
hydroxycoumarin, etc.
(4) Saccharides and amino acids
Including sucrose, frucrose, fructose, glucose and 17 kinds of
amino acids such as aspartic acid and glutamic acid. The content of
blood level-decrease componentamino butanoic acid is up to 226mg /
100g. For -amino butanoic aci
