I don't see any need for apology, based on what you wrote us....I am familiar with the feeling of regret why I said so so to my mum, but honesty, they need to understand that we are adult and we are responsible for our own actions and our life.....
My mum used to give me speech and advice to get married....and of course Love is not a priority in marriage....(what the heck? why I need a guy in my life then?)....she was not understanding me at all....and at top of that, she was always telling me why I don't get married with my best guy friend of 10 years.....(he's my best friend, but I think even he's gay, not sure really, I've never seen him with a girl!)....finally, I had to be blurb with her.....I told her...Mum, I'm not interested in him sexually at all....wow...Mum told me "oh...okay okay...I don't want to know anything more!"....and she never said anything about me getting married with my friend....my sisters told me I have to apologies, and they told me that was so rude....but I think Mum's opinion is rude to try to hook me up with a guy that I see as a friend and call him my brother!
so....you got to stand up on your feet and show her that you are not a little girl anymore, and you do not need her pettiness! but don't be aggressive, just tell her that these are bothering you.....and you appreciate if she stops it.....
take care
marjan