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Is Quillaia Extract halal?

Quillaia Extract is classified halal for halal use with High confidence. A plant saponin extract used as an adjuvant or foaming agent in some oral vaccines. Plant-derived; halal.

Excipient (foaming agent) · Confidence: High

Also known as: E999, soap bark extract

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What it is

A plant saponin extract used as an adjuvant or foaming agent in some oral vaccines.

Source:WHO — Quillaja saponins in vaccines (position paper context)

Why it's here

Improves immune response in specific vaccine formulations.

See:WHO — Quillaja saponins in vaccines (position paper context)

Why it may matter

Plant-derived; halal.

Source:WHO — Quillaja saponins in vaccines (position paper context)

Common sources

Quillaja saponaria bark

Reason codes

plantDerived

Evidence & citations1

Common questions

Is Quillaia Extract halal?: RxHalal currently classifies Quillaia Extract as HALAL (High confidence). Plant-derived; halal. This is information only — not a fatwa or medical advice.
What is Quillaia Extract used for in medicines?: A plant saponin extract used as an adjuvant or foaming agent in some oral vaccines. Improves immune response in specific vaccine formulations.
What are common sources of Quillaia Extract?: Common sources include: Quillaja saponaria bark. Manufacturers often do not disclose which source is used.