Which from following is useful to extract analgesic and antimicrobial compounds?

Analysis of medicinal plant properties: The identification focuses on plants containing compounds with both analgesic and antimicrobial effects.

Turmeric (A) contains curcumin, which demonstrates significant anti-inflammatory analgesic properties and antimicrobial activity against various pathogens.

Cinnamon (B) contains cinnamaldehyde, exhibiting strong antimicrobial effects and anti-inflammatory properties that contribute to analgesic applications.

Citrus fruit (C) primarily provides vitamin C and antioxidants, lacking the specific potent analgesic and antimicrobial compounds found in medicinal spices.

Clove (D) contains eugenol, a well-established analgesic compound particularly effective in dental applications, with broad-spectrum antimicrobial activity.

The plants providing both analgesic and antimicrobial compounds are A, B, and D.

$\boxed{\text{A, B, D}}$