Sweet Tea Extract

● Name :Sweet Tea Extracte Rubusoside
● Source: Sweet Tea
● Botanical Name : Rubus Suavissmus S,Lee
● Extract part: Leaf
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Product Details

Sweet Tea Extract Rubusoside profile 

● Name :Sweet Tea Extracte Rubusoside

● Source: Sweet Tea 

● Botanical Name : Rubus Suavissmus S,Lee

● Extract part: Leaf   

● Purity: 70% 

● Composition:Rubusoside 

● Appearance: Fine light yellow to off white powder

● Country of origin:P.R. China

TDS

Physical and Chemical Properties

Appearance

Fine light yellow to off white powder

Visual

Taste

Typical to botanical

Gustatory

Odor

Typical to botanical

Olfactory

Sieve analysis

80% pass 80 mesh

Mesh screen

Moisture content

≤ 5%

IR balance

Ash

≤ 5%

2g / 525°C / 5hrs

Heavy metals

Arsenic (As)

≤ 1 ppm

Atomic absorption

Cadmium (Cd)

≤ 1 ppm

Atomic absorption

Lead (Pb)

≤ 3 ppm

Atomic absorption

Mercury(Hg)

≤ 0.1 ppm

Atomic absorption

Total heavy metals

≤ 10 ppm

Colorimetry

Microbiology

Total plate count

≤ 10000 cfu/g

AOAC

Yeasts & Molds

≤ 1000 cfu/g

AOAC

Salmonella

Absent/10g

AOAC

E.Coli

Absent/1g

AOAC

Sterilization method

High Temperature & High Pressure Short time (5" - 10")

Packaging | Storage

Packaging

Carton drum | inner double layer plastic bag

Storage

Store in well-closed container away from heat,sunshine and moisture

Shelf Life

24 months in original packaging and store away from direct sun light

This technical data sheet is in compliance with USA and EU food regulations

Source 

Rubus suavissimus is a small fruit bearing plant in the raspberry family which contains a variety of natural sweeteners and the most well-known sweetener is the  characteristic sweet constituent rubusoside.Leaves of Rubus suavissimus S. Lee (Rosaceae) are used to prepare Ten-Cha (Japan) or Chinese Sweet Leaf (China)

,which is potentially helpful for body weight control by restricting calorie intake in obese patients.

Research shows It had high edible and medicinal value,such as reducing of blood sugar,blood fat,blood pressure,promoting metabolism,regulating the body's immune function and in part due to the sweetness aiding somebody psychologically on a diet, the potential suppressive effects on weight gain seen in rats suggests that this tea may have anti-obese properties.Moreover ,the leaves of this plant, almost always brewed as a tea, have been used traditionally to maintain kidney health, improve blood flow, promote appetite, induce expectoration, stop cough, and alleviate fever.

Main Bio-actives 

Rubus suavissimus S. Leewhich was rich in nutritional components, containing several  physiologically-active compounds including polyphenols,flavonoids,amino acids,etc. The leaf of Rubus suavissimus S. Lee contain characteristic compound rubusoside,the main sweet constituent, that is responsible for the sweet taste accounted for 5% of leaf weight through quantitative and fingerprint analyses .

Pharmacological Function

Adipogenesis

Journal of natural medicine reported in 2011 that sweet tea extract enhances early adipogenesis by increasing the expression of adipogenic transcription factors C/EBPα and PPARγ. Scientists investigated the effect of extract of sweet tea leaves on early adipogenesis by using 3T3-L1 preadipocytes as a model.Sweet tea extract significantly and concentration-dependently increased adipogenesis measured in terms of lipid accumulation by means of Oil Red O assay and increased the expression of adiponectin and leptin. In the early phase of adipogenesis, the extract increased the mRNA expression of adipogenic transcription factors CCAAT/enhancer binding protein α (C/EBPα) and proliferator-activated receptor γ (PPARγ). In contrast, mRNA expression of other adipogenic transcription factors, C/EBPδ and C/EBPβ, was unaffected. The mRNA expression levels of adipocyte-specific genes encoding adipocyte protein 2 (aP2), lipoprotein lipase (LPL), and glucose transporter 4 (Glut4), which are regulated by C/EBPα and PPARγ, were also increased. 

By promoting early adipogenesis in adipose tissue and replacing enlarged adipocytes that

secrete inflammatory factors with small adipocytes , sweet tea extract may help body weight control .

Weight loss 

Further support of weight loss effect of sweet tea extrat published by Journal of agricultural food chemistry in 2011 .The study examined the possible improvement of obesity phenotype by a new tea represented by its purified components, gallic acid, ellagic acid, and rubusoside (GER). Male obese-prone SD rats were given low-fat diet, high-fat diet, or high-fat diet plus GER at the dose of 0.22 g/kg of body weight for 9 weeks. GER significantly reduced body weight gain by 22% compared to the high-fat diet control group with 48% less abdominal fat gain with food intake was not affected. Blood glucose was lowered in the GER-treated group, whereas serum triglycerides and cholesterol were significantly reduced by 50%. This improved obesity phenotype may be associated with the attenuated expression of vascular endothelial growth factor in preadipocyte 3T3-L1 cells. 

NF-κ.B Inhibitory

A research report of Rubus suavissimus. S. Lee (Rosaceae) Leaf extract biological activity in the regulation of transcription factor NF-κ.B (nuclear factor kappa B) was published on Pharmaceutical Biology .The crude extract inhibited NF-κ.B at 100–1000 μg/ml concentrations with minor cytotoxicity. Rubus suavissimus leaf extrat  found RUS-C20 was found to be the most potent in inhibiting NF-κ.B without signs of cytotoxicity up to 1000 μg/ml concentration.

Because NF-κB Incorrect regulation has been attributed to several diseases including cancer, inflammatory and autoimmune diseases and improper immune development ,the Rubus suavissimus. S. Lee (Rosaceae) Leaf extract is believed to be helpful to improve health .

Allergies

A study report on Auris Nasus Larynx. suggested sweet tea is the most common complementary alternative medicine for allergic rhinitis in Japan and it exhibit an effect equivalent to allergic rhinitis placebo . A randomized double-blind study was performed with central enrollment and allocation in the otolaryngology departments of 5 facilities from July to December 2009.The sweet tea and placebo groups included 47 and 42 subjects, respectively. The improvement rates for sneeze, nasal discharge, nasal obstruction, and symptom scores were greater in the sweet tea group than in the placebo group throughout the intervention period, and the effect tended to increase with time in the sweet tea group.

Applications

Research shows sweet tea extract had high edible and medicinal value,such as reducing of blood sugar,blood fat,blood pressure,promoting metabolism,regulating the body's immune function and anti-obese effect .Moreover ,the leaves have been used traditionally to maintain kidney health, improve blood flow, promote appetite, induce expectoration, stop cough, and alleviate fever.

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