Rampatri

Purity / Mucilloid content

85% min / 95% min / 98% min / 99% min — set by the grade name

Light extraneous matter

15% max (85%) / 5% max (95%) / 2% max (98%) / 1% max (99%)

Heavy extraneous matter

1.1% max, all grades

Swelling volume / swelling index

35 min (85%) / 40 min (95%) / 40 min (98%) / 50 min (99%)

Moisture

12% max

Total ash, dry basis

2.0% max

Acid-insoluble ash, dry basis

0.45% max

Foreign organic matter

2% max

Microbiological

Mould and yeast 1,000/g max; Salmonella absent in 10 g; E. coli absent in 10 g

Colour, odour and taste

White to greyish, boat-shaped flakes 2–3 mm long and 0.5–1 mm wide; bland mucilaginous taste; free from fermented or musty odour

Sennoside content, calculated as sennoside B

Senna leaf 2.5% min; Tinnevelly senna pods (Cassia angustifolia) 2.2% min; Alexandrian senna pods (Cassia senna) 3.4% min

Typical export specification for this grade. The binding specification is agreed in writing with the buyer before an order is confirmed, and every consignment is inspected against it before loading.