Protein & amino acidsFCO Schedule VILiquid

Tryptophan 0.1% (Liquid)

A protein hydrolysate and amino acid biostimulant in liquid form, notified under FCO Schedule VI. Key notified measures: Tryptophan ≥ 0.1 % w/w; Total organic carbon ≥ 57.69 % w/w. Notified for tomato.

Category5 · Protein & amino acids

Serial no.40

FormLiquid

Notified inS.O. 1574(E), 25 Mar 2026

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Mandatory label caution (exact Gazette wording)Use only as directed. Avoid direct contact with eyes. Keep out of reach of children. In case of accidental exposure or ingestion, seek medical advice immediately.

Composition

As notified in the Gazette, ingredient by ingredient.

	Ingredient	Content	Limit
i	Tryptophan per cent. by weight, minimum	0.1% w/w	Minimum
ii	Calcium alkyl benzene sulphonate per cent. by weight, minimum	3.0% w/w	Minimum
iii	Polyoxyethylene ether per cent. by weight, minimum	3.0% w/w	Minimum
iv	Cyclohexanone per cent. by weight, minimum	93.9% w/w	Minimum
v	Total (per cent.)	100	Exact / specified

Specifications (label claims)

The parameters a sample must meet, with the Part D method used to test each one.

	Parameter	Notified value	Test method
i	Tryptophan per cent. by weight, minimum	0.1% w/w	Free/specific amino acid analysis
ii	Total organic carbon per cent. by weight, minimum	57.69% w/w	Method 4: Estimation of organic matter and organic carbon
iii	pH (1% aqueous solution)	6.61 ± 0.5pH	Method 1: Estimation of pH
iv	Specific gravity	0.951 ± 0.02Specific gravity	Method 2: Estimation of specific gravity
v	Solubility per cent. by weight, minimum * Note: The product label shall include caution: Use only as directed. Avoid direct contact with eyes. Keep out of reach of children. In case of accidental exposure or ingestion, seek medical advice immediately.	100% w/w	Method 5: Estimation of water solubility

Crops and doses

The Gazette wording is what counts; per-acre figures use 1 hectare = 2.47105 acres.

Crop	Gazette dose	Per acre, each application	Per acre, season
Tomato	Three foliar applications at 870 ml/ha	352 ml	1.06 litre

Notification history

25 Mar 2026S.O. 1574(E): entry inserted

Official notifications: Ministry of Agriculture & Farmers Welfare, biostimulant circulars.

Before you buy or stock it

Check that the product name, composition and crop on the pack match this page.
Use only the notified dose for your crop; the calculator converts it to your area.
Ask the seller for the batch number and expiry date, and keep the bill.

Questions about your crop? Ask our agri expert on WhatsApp.

Show more protein & amino acids biostimulants 35 others in this category

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Consolidated by NanoKheti from the Gazette of India notifications under Schedule VI of the Fertiliser (Inorganic, Organic or Mixed) (Control) Order, 1985, for reference. The Gazette text is authoritative; this page is not legal advice. Check the notification before labelling, licensing or buying. Covers notifications up to S.O. 1574(E) (25 Mar 2026); checked for later Schedule VI changes on 19 October 2026. Questions? Ask our agri expert on WhatsApp.