The most common and most likely answer to this crossword clue is the 7 letter word HYGIENE
I've seen this crossword clue in Financial Times
H
Y
G
I
E
N
E
More clues leading to the result HYGIENE
- Extended material on the radio producing clean behaviour
- Spoken greeting to woman providing sanitation?
- In speech greeting girl’s method of promoting cleanliness
- Verbal greeting to girl revealing sanitary practices?
- Husband eyeing dodgy sanitary practices
- Reorganising nigh, with Eye keeping things clean
- Hospital leader’s eyeing poor cleanliness
- What health inspector seeks in hospital, eyeing rubbish
- Greeting girl’s reported — this should keep things clean?
- Sanitation of hospital eyeing reforms
Buddy explains!

The straight part
We know that "sanitary practices" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sanitary practices = hygiene.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HYGIENE mean?
HYGIENE noun- The science of health, its promotion and preservation.
- Those conditions and practices that promote and preserve health.
- Cleanliness.
- (of a macro) The property of having an expansion that is guaranteed not to cause the accidental capture of identifiers.