Cassia Cinnamon Tube

Product Overview

Item	Detail
Product name	Gui Tong / Cassia Cinnamon Tube (桂通)
Botanical name	Cinnamomum cassia Presl (Lauraceae)
Origin	China — Guangxi (Rongxian, Cenxi, Guilin, Tengxian); traded at Yulin Int'l Spice Market
Part used	Dried peeled bark, rolled into hollow tubes (single or double roll)
Appearance	Rolled yellowish-red tube, 0.2–0.8 cm thick; sweet, warm, pungent aroma
Main use	Braising, stewing, soup, curry, baking; food processing & seasoning
Shelf life	18–24 months (cool, dry, away from sunlight)

Physical parameters

Parameter	Requirement
Form	Rolled tube, single or double roll
Thickness	0.2–0.8 cm
Length (whole)	30–45 cm
Moisture	≤ 13.5–15%
Admixture	≤ 1%
SO₂	None / not detected (premium)

Chemical parameters

Parameter	Pharmacopoeia	Guangxi DB45/T 227
Volatile oil	≥ 1.2%	≥ 1.5%
Cinnamaldehyde	assay	≥ 90%
Total ash	≤ 5.0%	≤ 5.0%
Acid-insoluble ash	—	—

Grades & How to Distinguish

By size (market grades)

Grade / size	Description
Largest tube	Thick, bold rolls — highest price
Medium tube	Standard trade grade
Small tube	Slim rolls — cost-effective
Yellow-rolled	Even yellowish colour, clean

Inspection checklist

Check	Criterion
Colour	Even yellowish-red; no grey/black spots = good
Roll integrity	Tight, whole rolls; no heavy breakage = good
Aroma	Sweet, warm, strong = high oil/cinnamaldehyde
Moisture	≤13.5%; dry, crisp = good
Purity	Low foreign matter, no mould/sulphur smell

Packing Standards

Packing	Spec	Notes
Cartons	10 kg / 15 kg / 20 kg	Export corrugated, PE liner
PP woven bags	25 kg / 50 kg	Food-grade, PE liner
Retail packs	100 g–1 kg	Private label available

Container Loading (Estimated)

Container	Approx. load	Note
20ft (20GP)	6–8 MT	Tube form, bulky; confirm by stow check
40ft (40HQ)	15–17 MT	Estimated

Storage & transport: sealed, cool & dry, ventilated; off floor/off wall; protect from rain & moisture (mould risk); never mix with toxic, odoriferous or contaminated goods.