Sweet Tea Extract

Sweet Tea Extract

Product Name: Sweet Tea Extract

Active Ingredient: Rubusoside

Shelf Life: 2 years

Extract Method: HPLC,UV

Appearance: White Fine Powder

Part Used: Leaf

Specification: 10%-99%

CBNumber:CB22603746

In my country, a remarkable discovery was made in the early 1980s. It unveiled a new variation of Rubus rosaceae called sweet tea, which held immense medicinal potential. Derived from the leaves of this unique plant, stevia emerged as a natural sweetener. Interestingly, this extract surpasses sucrose in sweetness, offering a delightful taste that is 300 times more intense. Moreover, it possesses the extraordinary advantage of being low in calories, containing merely 5%. Thus, stevia stands as a remarkable alternative, harnessing high sweetness while remaining a healthier choice for individuals seeking a reduced calorie intake.

OriginThe saxifrage plant, Hydrangea strigosa Rehd. or H. umbellata Rehd., produces a type of foliage that is highly sought after. This foliage is none other than the young leaves, which are known for their distinct taste and aroma. If you're looking for a new flavor to add to your cooking, you might want to consider trying out these flavorful leaves.

Alias: honey vanilla, sweet tea.

Habitat distributionThe distribution of Lalian hydrangea encompasses various habitats, including forests, streams in low mountain regions, and more. These magnificent flowers are found extensively throughout the southern regions of the Yangtze River. Conversely, the umbrella hydrangea flourishes on hillsides, near streams, and at the edges of forests. This particular species can be observed in various locations such as Anhui, Jiangxi, and Zhejiang.

Plant formThe Lalianthus hydrangea is a deciduous shrub that reaches a height of 2 to 3 meters. Its young branches are covered in pubescent hairs. The leaves are opposite and have an ovate-lanceolate to oblong shape, measuring 8 to 25 cm in length and 3 to 7 cm in width. They have small serrated edges and are attached to the branches by petioles that are 15 to 35 mm long. The shrub produces corymbose cymes of flowers at the terminal ends of the branches. Both the rachis and pedicels of these flowers are hairy. The flowers are dimorphic, with radial flowers having four calyx petals. The calyx is broadly ovate and measures 1 to 2 cm in length. The gestational flowers are white, and their calyx tube is slightly hairy. There are five triangular-shaped lobes and extended petals that form a crown. The ovary is inferior, and the shrub produces hemispherical capsules that are 3 mm wide. The Lalianthus hydrangea blooms in August and starts fruiting in September.

The umbrella hydrangea is a deciduous shrub that can grow over one meter in height. Its young branches are purple in color, while its leaves are opposite, lanceolate or oblong-lanceolate in shape, with serrations on the edges that resemble teeth. The leaves are yellow-green on the upper surface and have a floury white tint on the lower surface. The plant produces many flower clusters in an umbel shape, with dimorphic flowers that have obovate-oblong petals which are colored a bright yellow. The fruit capsule is round in shape.

Main ingredients:

The three most valuable ingredients contained in sweet tea leaves are: 4.1% bioflavonoids, 18.04% tea polyphenols and 5% sweeteners, and minerals such as protein, amino acids, vitamins, iron, zinc, and calcium. substance. The main sweet component of sweet tea leaves is rubusoside, also known as rubusoside, which is a tetracyclic diterpene glycoside composed of steviaol and glucose, and its molecular formula is C22H50O12. Another sweet ingredient is suavioside-A (suavioside-A), which is only 0.006%.
Tea polyphenols are mainly composed of catechin, epicatechin, gallo-epigallocatechin, gallo-epigallocatechin and the like. Sweet tea also contains essential nutrients such as protein.
Eighteen amino acids were extracted from the sweet tea hydrolyzate, of which eight were essential amino acids. The highest content of glutamic acid is 1256mg/100g, followed by aspartic acid 1053mg/100g, and the content of lysine that can promote human growth is in the middle of 667 mg/100g. It is also rich in vitamin A, vitamin B, vitamin C, vitamin E, folic acid, niacin, carotenoids, cellulose, trace elements calcium, potassium, sodium, iron, manganese, zinc, etc.

Product Features:

Natural, with the fragrance of sweet tea, pure sweetness and comfortable taste

Water-soluble, good PH value and stability

Mainly used in flavors and fragrances

Function:

1. Sweet tea extract can reduce blood lipids, blood sugar and cholesterol.
2. Sweet tea extract relieves cough and expectorant, anti-inflammatory and anti-allergic.
3. Sweet tea extract can decompose melanin and inhibit the formation of dark spots and melasma.

Extraction Method:

Sweetener Extraction

Extraction of crude sweet tea extract: sweet tea extract—add 95% ethanol—stir centrifugation—discard precipitation—concentrate supernatant by rotary evaporator—absolute ethanol—discard precipitation—dry in 70°C incubator—yellow-brown powder is sweet Tea element crude.

Ethyl acetate extraction of sweeteners: sweet tea crushing - ethanol extraction - extract water dissolution - petroleum ether decolorization - ethyl acetate extraction - extract water bath evaporation to dryness - solid - hot water dissolution - large pore size adsorption resin column - ethanol solution elution - After concentration - silica gel column - chloroform - methanol (9:1) eluted - colorless sweetener crystals.

Extraction of flavonoids from sweet tea

Sweet tea leaves—boiling with water (3 times)—filtering—combining the filtrate—macroporous adsorption resin column—column adsorption—washing with water until colorless—eluting with 75% ethanol—drying the eluent—crude flavonoids—dissolving in anhydrous ethanol—filtering - Dry - Refined flavonoids.

Storage & Packaging:

Packing: double-layer plastic bag sealing, outer packing paper drum

Net weight: 25kg/drum

Storage: sealed, placed in a cool and dry environment, avoid moisture, strong light

Shelf life: 2 years, pay attention to sealing and avoid direct sunlight

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