Product name: trans-resveratrol
Synonym(s):1-(3, 5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethylene. 5-[2-(4-hydroxyphenyl)ethenyl]-1, 3-benzenediol. 3, 4', 5-stilbenetriol. 3, 4', 5-trihydroxystilbene.
Specification:98%(by hplc)
Molecular formula: c14h12o3
Molecular weight: 228.247
Cas registry number: 501-36-0
Percentage composition: c 73.67%; h 5.30%; o 21.03%
Biological source: isol. From polygonum cuspidatum.
Biological use/importance: fungicide, bactericide. Resveratrol in red wines has been postulated to be associated with beneficial health effects. Shows tyrosinase inhibitory activity. Nutriceutical with a positive influence on blood lipid profile
Product name:colchicine
Synonym(s): colchiceine methyl ether. Artrichine. Colchisol. Colsaloid. Nsc 757.
Molecular formula: c22h25no
Molecular weight: 399.443
Percentage composition: c 66.15%; h 6.31%; n 3.51%; o 24.03%
Cas registry number: 64-86-8
Biological source: chief alkaloid from colchicum autumnale, many other colchicum spp., several merendera spp., gloriosa superba and others (liliaceae)
Biological use/importance: functions by binding to tubulin and arresting cell division at metaphase. Also inhibits many cell transport systems. Antimitotic agent used to induce polyploidy in plant breeding and for studying cell division. Toxicity has precluded exploitation of these props. For antineoplastic use. Potential hiv inhibitor. Antiinflammatory agent. Used for relief of pain in acute gout
Free from big stalks and branches, the stevia leaves are used for producing the stevioside and liquid extracts of stevia.
Specification:
Moisture under 10 Ñ - 7, 01%
Stevioside - 10, 78%
Rebaudioside À - 3, 66%
Purity:
- dried green leaves - 90-95%;
- seeds, flowers and yellow leaves – 5-10%;
Harvest period: september - april
Packing:
Polypropylene bags per 25 or 50 kg
20"st contains 7500 – 8000 kg
40"st contains 15000 – 16000 kg
40"hq contains 18000 kg
Ground leaves
Dried ground stevia leaves are used in teas as natural sweeteners.
Specifications:
Purity:
- dried green leaves – 90-95%;
- seeds, flowers and yellow leaves - 5%-10%;
Size: 5 – 10 mm;
Color: green, light green.
Packing type: double polypropylene and polyethylene bags, per 7 kg.
Fine ground leaves
Fine ground leaves are used in tea bags, as well as in tea mixtures as natural sweetener and dietary supplement.
Specifications:
Purity:
- dried green leaves - 90%-95%;
- seeds, flowers and yellow leaves - 5%-10%;
Size: 1 – 2 mm;
Color: green, light green.
Packing type: double polypropylene and polyethylene bags, per 7 kg.
